{"id":28903,"date":"2026-10-26T08:31:37","date_gmt":"2026-10-26T08:31:37","guid":{"rendered":"https:\/\/homegrade.brussels\/conseils\/gezondheid-veiligheid-hygiene\/humidite-dans-le-logement-diagnostic-et-solutions\/"},"modified":"2026-11-02T10:57:23","modified_gmt":"2026-11-02T10:57:23","slug":"vocht-in-de-woning","status":"publish","type":"conseils","link":"https:\/\/homegrade.brussels\/nl\/advies\/gezondheid-veiligheid-hygiene\/vocht-in-de-woning\/","title":{"rendered":"Vocht in de woning: diagnose en oplossingen"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Vocht is een veelvoorkomend probleem in woningen dat niet lichtvaardig moet worden opgevat.<br>Vocht kan inderdaad grote gevolgen hebben voor een gebouw.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Door de ontwikkeling van schimmels en zwammen te bevorderen, schaadt het ook de gezondheid van de bewoners.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Het is niet altijd gemakkelijk om de oorzaken van vocht in een gebouw te achterhalen, omdat er zoveel mogelijkheden zijn en hun verschijningsvormen soms misleidend kunnen zijn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Een juiste diagnose is echter essentieel om de juiste behandeling te bepalen.<\/p>\n\n\n\n<section id=\"questions-container-28911\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Wat zijn de oorzaken van vocht in de woning?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Vochtproblemen in een woning kunnen verschillende oorzaken hebben. Vocht kan van buiten komen of zijn bron binnen in de woning vinden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Externe oorzaken<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Infiltratie van regenwater<\/strong>, dit is het binnendringen van regenwater in het gebouw via de buitenschil. De meest voorkomende infiltraties ontstaan door gebreken aan het <strong>dak<\/strong> of de <strong>gevel<\/strong> .<\/li>\n\n\n\n<li><strong>Capillair vocht<\/strong>, dit is de absorptie, door de pori\u00ebn van de materialen, van water dat aanwezig is in vochtige bodems. Vocht kan verticaal migreren, in dat geval spreekt men van <strong>opstijgend<\/strong> <strong>vocht<\/strong> , of <strong>zijdelings<\/strong> in het geval van <strong>muren tegen de grond<\/strong> .<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Oorzaken binnen de woning<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Condensatie<\/strong> van waterdamp in de binnenlucht op een koud oppervlak.<\/li>\n\n\n\n<li><strong>Een lekkage<\/strong> van een interne leiding (bijvoorbeeld een water-, verwarmings-<br>of afvoerleiding).<\/li>\n\n\n\n<li><strong>Restvocht<\/strong> van bouwmaterialen na een renovatieproject.<\/li>\n<\/ol>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"890\" height=\"721\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_causes.webp\" alt=\"\" class=\"wp-image-12755\" data-description=\"\" data-legend=\"De verschillende mogelijke oorzaken van een vochtprobleem\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_causes.webp 890w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_causes-300x243.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_causes-768x622.webp 768w\" sizes=\"auto, (max-width: 890px) 100vw, 890px\" \/><div data-focus-bullet-title=\"Infiltraties via het dak\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:24%;left:80%\" data-postion-x=\"80\" data-postion-y=\"24\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Infiltraties via de gevel\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:51%;left:21%\" data-postion-x=\"21\" data-postion-y=\"51\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Opstijgend vocht\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:90%;left:21%\" data-postion-x=\"21\" data-postion-y=\"90\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Vocht van muren tegen de grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:75%;left:72%\" data-postion-x=\"72\" data-postion-y=\"75\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Lek\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:62%;left:60%\" data-postion-x=\"60\" data-postion-y=\"62\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Restvocht\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:69%;left:36%\" data-postion-x=\"36\" data-postion-y=\"69\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><div data-focus-bullet-title=\"Condensatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:39%;left:44%\" data-postion-x=\"44\" data-postion-y=\"39\"><span class=\"homegrade-blocks-focus-point-bullet__index\">7<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><span class=\"legend\">De verschillende mogelijke oorzaken van een vochtprobleem<\/span><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Infiltraties via het dak<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Infiltraties via de gevel<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Opstijgend vocht<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vocht van muren tegen de grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Lek<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Restvocht<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Condensatie<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg aria-hidden=\"true\" class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\">\n  <path fill=\"currentColor\" d=\"m 18.013672,2 a 1,1 0 0 0 -0.707031,0.2929688 l -1.580078,1.5800781 a 1,1 0 0 0 -0.0039,0 1,1 0 0 0 0,0.00391 L 12.960938,6.6386719 10.277344,9.3222656 C 8.2020272,7.9337522 5.3954059,8.0578215 3.5664063,9.8867188 1.9123739,11.540658 1.6422764,13.863947 2.4082031,15.712891 c 0.7659268,1.848943 2.6005837,3.298828 4.9394531,3.298828 2.3388695,0 4.1715738,-1.449885 4.9374998,-3.298828 0.649918,-1.568899 0.494175,-3.456572 -0.560547,-5.009766 l 1.94336,-1.9433594 1.662109,1.6621094 a 1.0001,1.0001 0 0 0 1.416016,0 l 2.761718,-2.7636719 a 1.0001,1.0001 0 0 0 0,-1.4140625 l -1.662109,-1.6621094 0.875,-0.8749999 a 1,1 0 0 0 0,-1.4140625 A 1,1 0 0 0 18.013672,2 Z m -1.582031,3.9960937 0.955078,0.9550782 -1.34961,1.3496094 -0.955078,-0.9550782 z M 7.3476562,10.314453 c 0.8541932,0 1.7077078,0.328838 2.3652344,0.986328 1.0841034,1.084043 1.2117834,2.470448 0.7246094,3.646485 -0.4871745,1.176036 -1.5569822,2.064453 -3.0898438,2.064453 -1.5328615,0 -2.6046224,-0.888417 -3.0917968,-2.064453 -0.4871745,-1.176037 -0.3594942,-2.562442 0.7246093,-3.646485 0.6575267,-0.65749 1.5129944,-0.986328 2.3671875,-0.986328 z\" transform=\"translate(3 3.1906) scale(1.0111) translate(-2.001 -1.586)\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Aandachtspunten<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Er zijn specifieke oplossingen voor elk van deze oorzaken. De oorsprong van het probleem bepalen is een essenti\u00eble eerste stap om het te verhelpen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Verschillende oorzaken kunnen ook samengaan.<\/strong><\/p>\n<\/div><\/div><\/section>\n<\/section>\n\n\n<section id=\"questions-container-28924\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Hoe herken en verhelp je vochtproblemen door infiltratie van regenwater?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Regenwaterinfiltratie wordt meestal veroorzaakt door slecht vakmanschap, beschadiging of slijtage van een onderdeel van de buitenschil van het gebouw.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De structuren die het meest worden blootgesteld aan regen worden het meest getroffen: daken, schoorstenen, kroonlijsten en aansluitingen, die bijzonder kwetsbaar zijn (onderlinge verbinding van dakdelen, schoorsteenaansluitingen, kroonlijsten, zijmuren, dakvensters, enz.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buitenmuren kunnen ook gevoelig zijn voor infiltraties wanneer ze aangetast zijn<br>(beschadigde voegen, poreus metselwerk, enz.) en hun waterdichte functie niet meer optimaal is.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Belangrijkste oorzaken van infiltratie<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-07579d57 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"2042\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison.webp\" alt=\"\" class=\"wp-image-28930\" data-description=\"Principales causes d\u2019infiltrations\" data-legend=\"\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison.webp 1500w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison-220x300.webp 220w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison-752x1024.webp 752w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison-768x1046.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-infiltrations-maison-1128x1536.webp 1128w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><div data-focus-bullet-title=\"Geen schoorsteenkap\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:2%;left:40%\" data-postion-x=\"40\" data-postion-y=\"2\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Beschadigde schoorsteenafdichtingen \" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:7.000000000000001%;left:43%\" data-postion-x=\"43\" data-postion-y=\"7.000000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Slechte aansluiting dakvenster\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:18%;left:50%\" data-postion-x=\"50\" data-postion-y=\"18\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Beschadigd gootstuk\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:19%;left:71%\" data-postion-x=\"71\" data-postion-y=\"19\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Gebroken dakpan \" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:32%;left:79%\" data-postion-x=\"79\" data-postion-y=\"32\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Verstopte dakgoot\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:30%;left:27%\" data-postion-x=\"27\" data-postion-y=\"30\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><div data-focus-bullet-title=\"Verstopte dakgoot\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:47%;left:74%\" data-postion-x=\"74\" data-postion-y=\"47\"><span class=\"homegrade-blocks-focus-point-bullet__index\">7<\/span><\/div><div data-focus-bullet-title=\"Defecte afdichting\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:51%;left:25%\" data-postion-x=\"25\" data-postion-y=\"51\"><span class=\"homegrade-blocks-focus-point-bullet__index\">8<\/span><\/div><div data-focus-bullet-title=\"Defecte afvoerpijp\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:61%;left:88%\" data-postion-x=\"88\" data-postion-y=\"61\"><span class=\"homegrade-blocks-focus-point-bullet__index\">9<\/span><\/div><div data-focus-bullet-title=\"Scheuren in gevelbepleistering\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:63%;left:67%\" data-postion-x=\"67\" data-postion-y=\"63\"><span class=\"homegrade-blocks-focus-point-bullet__index\">10<\/span><\/div><div data-focus-bullet-title=\"Gebarsten dorpel\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:74%;left:64%\" data-postion-x=\"64\" data-postion-y=\"74\"><span class=\"homegrade-blocks-focus-point-bullet__index\">11<\/span><\/div><div data-focus-bullet-title=\"Beschadigde  metsel-werkvoegen\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:72%;left:92%\" data-postion-x=\"92\" data-postion-y=\"72\"><span class=\"homegrade-blocks-focus-point-bullet__index\">12<\/span><\/div><div data-focus-bullet-title=\"Oude raamafdichtingen\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:81%;left:63%\" data-postion-x=\"63\" data-postion-y=\"81\"><span class=\"homegrade-blocks-focus-point-bullet__index\">13<\/span><\/div><div data-focus-bullet-title=\"Bakstenen  met micro-scheurvorming\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:87%;left:90%\" data-postion-x=\"90\" data-postion-y=\"87\"><span class=\"homegrade-blocks-focus-point-bullet__index\">14<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Geen schoorsteenkap<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Beschadigde schoorsteenafdichtingen <\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Slechte aansluiting dakvenster<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Beschadigd gootstuk<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Gebroken dakpan <\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Verstopte dakgoot<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Verstopte dakgoot<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Defecte afdichting<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Defecte afvoerpijp<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Scheuren in gevelbepleistering<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Gebarsten dorpel<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Beschadigde  metsel-werkvoegen<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Oude raamafdichtingen<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Bakstenen  met micro-scheurvorming<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1186\" height=\"794\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_cheminee-scaled-e1741601156865.webp\" alt=\"\" class=\"wp-image-12764\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_cheminee-scaled-e1741601156865.webp 1186w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_cheminee-scaled-e1741601156865-300x201.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_cheminee-scaled-e1741601156865-1024x686.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_cheminee-scaled-e1741601156865-768x514.webp 768w\" sizes=\"auto, (max-width: 1186px) 100vw, 1186px\" \/><figcaption class=\"wp-element-caption\">2. Beschadigde schoorsteenafdichtingen<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-1024x768.webp\" alt=\"\" class=\"wp-image-12766\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-1536x1152.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin-2048x1536.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">4. Beschadigd gootstuk<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-eau-tuile-cassee-1024x683.webp\" alt=\"\" class=\"wp-image-28759\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-eau-tuile-cassee-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-eau-tuile-cassee-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-eau-tuile-cassee-768x513.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-eau-tuile-cassee.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">5. Gebroken dakpan<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-1024x768.webp\" alt=\"\" class=\"wp-image-12770\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-1536x1153.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_etancheite-2048x1537.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">8. Defecte afdichting<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"2560\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-scaled.webp\" alt=\"\" class=\"wp-image-12768\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-scaled.webp 2560w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-300x300.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-1024x1024.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-150x150.webp 150w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-768x768.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-1536x1536.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_mur-joints-2048x2048.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">12. Beschadigde metselwerkvoegen<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Wat zijn de symptomen?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De schade bestaat uit vlekken, afschilfering en blaasvorming op de afwerking van muren, plafonds en houtwerk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deze symptomen bevinden zich meestal dicht bij de bron van het vocht.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In sommige gevallen kan het water echter een omweg volgen (langs een leiding, balk of licht hellend plafond stromen). De symptomen zijn dan ver verwijderd van de plaats van de infiltratie, wat de diagnose bemoeilijkt. Destructief boren kan dan nodig zijn om de oorsprong van het probleem te achterhalen.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Enkele typische symptomen<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-etancheite-vetuste-1024x768.webp\" alt=\"\" class=\"wp-image-28762\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-etancheite-vetuste-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-etancheite-vetuste-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-etancheite-vetuste-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-etancheite-vetuste.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Donkere kringen op de muur van een ruimte onder een plat dak door een oude en geperforeerde dakafdichting<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-effritement-peinture-1024x683.webp\" alt=\"\" class=\"wp-image-28770\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-effritement-peinture-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-effritement-peinture-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-effritement-peinture-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-effritement-peinture.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Afbladderende verf op de omlijsting van een koepel met plat dak door een slechte afdichting tussen de koepel en het platte dak<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-decollement-joint-maconnerie-degrade-1024x577.webp\" alt=\"\" class=\"wp-image-28767\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-decollement-joint-maconnerie-degrade-1024x577.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-decollement-joint-maconnerie-degrade-300x169.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-decollement-joint-maconnerie-degrade-768x433.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-decollement-joint-maconnerie-degrade.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Afbladderend behang op een muur die is blootgesteld aan regen door beschadigde metselvoegen en poreus metselwerk<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture-1024x683.webp\" alt=\"\" class=\"wp-image-28764\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture-1536x1024.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-cloquage-peinture.webp 1539w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Blaasvorming van de verf op de omlijsting van een dakvenster door een slechte verbinding tussen het raam en het hellende dak<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 9.0644531 2.0097656 C 8.8592441 2.0065391 8.6521663 2.0117597 8.4453125 2.0253906 C 7.2526812 2.1039809 6.0553745 2.4530755 4.9414062 3.109375 C 0.48553314 5.734573 -0.33233814 11.901656 3.2851562 15.597656 A 1 1 0 0 0 4.6992188 15.613281 A 1 1 0 0 0 4.7148438 14.199219 C 1.9724857 11.397342 2.5791142 6.8240997 5.9570312 4.8339844 C 9.3349485 2.8438691 13.630291 4.5284437 14.751953 8.2851562 A 1.0001 1.0001 0 0 0 15.710938 9 L 17.5 9 C 19.293053 8.9997956 20.430887 10.103931 20.849609 11.484375 C 21.268332 12.864819 20.936339 14.41422 19.445312 15.410156 A 1 1 0 0 0 19.167969 16.796875 A 1 1 0 0 0 20.554688 17.074219 C 22.764526 15.598147 23.407533 13.026978 22.763672 10.904297 C 22.119811 8.7816161 20.157475 6.9996971 17.5 7 L 16.255859 7 C 14.989776 3.977573 12.142589 2.0581641 9.0644531 2.0097656 z M 8 13 A 1 1 0 0 0 7 14 L 7 15 A 1 1 0 0 0 8 16 A 1 1 0 0 0 9 15 L 9 14 A 1 1 0 0 0 8 13 z M 16 13 A 1 1 0 0 0 15 14 L 15 15 A 1 1 0 0 0 16 16 A 1 1 0 0 0 17 15 L 17 14 A 1 1 0 0 0 16 13 z M 12 15 A 1 1 0 0 0 11 16 L 11 17 A 1 1 0 0 0 12 18 A 1 1 0 0 0 13 17 L 13 16 A 1 1 0 0 0 12 15 z M 8 18 A 1 1 0 0 0 7 19 L 7 20 A 1 1 0 0 0 8 21 A 1 1 0 0 0 9 20 L 9 19 A 1 1 0 0 0 8 18 z M 16 18 A 1 1 0 0 0 15 19 L 15 20 A 1 1 0 0 0 16 21 A 1 1 0 0 0 17 20 L 17 19 A 1 1 0 0 0 16 18 z M 12 20 A 1 1 0 0 0 11 21 L 11 22 A 1 1 0 0 0 12 23 A 1 1 0 0 0 13 22 L 13 21 A 1 1 0 0 0 12 20 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Blootstelling aan slagregen<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">In Belgi\u00eb zijn de zuid- en zuidwestgevels het meest blootgesteld aan de heersende wind en dus aan slagregen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ze lopen dus een groter risico op infiltratie.<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-graphique-intensite-moyenne-pluie-819x1024.webp\" alt=\"\" class=\"wp-image-28774\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-graphique-intensite-moyenne-pluie-819x1024.webp 819w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-graphique-intensite-moyenne-pluie-240x300.webp 240w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-graphique-intensite-moyenne-pluie-768x961.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-graphique-intensite-moyenne-pluie.webp 1200w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><figcaption class=\"wp-element-caption\">Product van de gemiddelde intensiteit van slagregens door hun gemiddelde duur, in de loop van een jaar. \u00a9 Energie+<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div><\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Wat kan eraan gedaan worden?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Infiltratie moet worden gerepareerd volgens de regels van het vak.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Hellende daken<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Gebroken dakpannen of leien moeten worden vervangen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tegenwoordig wordt er altijd een onderdak ge\u00efnstalleerd onder de dakbedekking om de waterdichtheid te garanderen en de isolatie te beschermen.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture-1024x768.webp\" alt=\"\" class=\"wp-image-28789\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture-1536x1152.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-membrane-sous-toiture.webp 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Onderdakfolie geplaatst onder de dakpannen \u00a9 Isoproc<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Aansluitingen<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Alle verbindingen vereisen speciale aandacht en eventuele gebreken moeten worden gerepareerd volgens de regels van het vak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voor bepaalde aansluitingen zoals rond dakvensters zijn er geprefabriceerde onderdelen beschikbaar.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"820\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-1024x820.webp\" alt=\"\" class=\"wp-image-12779\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-1024x820.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-300x240.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-768x615.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-1536x1230.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_raccord_fenetre-2048x1640.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Verbinding tussen het dakvenster en de dakpannen \u00a9 Velux<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Schoorsteenpijpen<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Een aantal onderdelen kan gaan lekken :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>dakaansluitingen. Waar nodig wordt gerenoveerd met nieuwe gootstukken.<\/li>\n\n\n\n<li>metselwerk, waar beschadigde of ontbrekende voegen moeten worden vernieuwd. In sommige gevallen kan het aanbrengen van waterafstotend cement op de muren een oplossing zijn.<\/li>\n\n\n\n<li>de dakkap, die kan worden vervangen als ze defect raakt.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin_raccords-scaled-e1741605277520-1024x683.webp\" alt=\"\" class=\"wp-image-12777\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin_raccords-scaled-e1741605277520-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin_raccords-scaled-e1741605277520-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin_raccords-scaled-e1741605277520-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/03\/Securite-salubrite_humidite_pluie_solin_raccords-scaled-e1741605277520.webp 1420w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Gootstukken bij de aansluitingen met de dakpannen<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Een schoorsteenpijp die erg beschadigd en instabiel is, moet misschien helemaal opnieuw worden opgebouwd. Als deze geen nut meer heeft, kan hij met toestemming van de dienst stedenbouw van de gemeente worden afgebroken.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Regenpijpen en dakgoten<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Een lek in een regenpijp of dakgoot maakt de gevel vochtig. Om verstopping te voorkomen en eventuele fouten (bijvoorbeeld lasnaden) op te sporen, moeten ze elke 6 maanden worden nagekeken en van vuil worden ontdaan.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Gevels<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Gevels worden meestal waterdicht gemaakt door een bekledingsmateriaal (pleister, gevelsteen, steen).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Een aantal onderdelen moet mogelijk worden gerepareerd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>eventuele scheuren.<\/li>\n\n\n\n<li>voegen.<\/li>\n\n\n\n<li>pleisters en verven.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zichtbare bakstenen gevels hebben soms te kampen met poreusheid. In dit geval kan het waterdicht maken met een dampdoorlatend product een oplossing zijn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gevelmuren die aangetast zijn, moeten worden opgevoegd en kunnen dan worden beschermd met nieuwe gevelbekleding (idealiter in combinatie met isolatie).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Raadpleeg voor meer informatie onze brochure &#8220;<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\"><strong>Gevels in zichtbare materialen &#8211; Reinigen en restaureren<\/strong><\/mark>&#8221; :<\/p>\n\n\n<a class=\"post-card post-card--erfgoed\" href=\"https:\/\/homegrade.brussels\/nl\/advies\/erfgoed\/reinigen-restaureren-gevels\/\" target=\"_self\">\n\n\t<img decoding=\"async\" class=\"post-card__cover post-card__cover--conseils\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2023\/05\/Homegrade_Pictogrammes_RVB_patrimoine-XL.svg\" alt=\"\">\n\n\t<div class=\"post-card__details\">\n\t\t<div class=\"post-card__tags\">\n\t\t\t\t\t\t\t<div class=\"tag thematique-tag thematique-tag--erfgoed\">Erfgoed<\/div>\n\t\t\t\t\t\t<div class=\"tag post-type-tag\">Adviezen<\/div>\n\t\t<\/div>\n\t\t<h2 class=\"post-card__title\">Gevels in zichtbare materialen: reinigen en restaureren<\/h2>\n\t\t\t\t<p><\/p>\n\t<\/div>\n<\/a>\n\n\n<h5 class=\"wp-block-heading\">Infiltratie &#8211; Diagnostische hulpmiddelen<\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><strong>Vochtmeter met pennen of met radiogolven<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meet het vochtgehalte van materialen. Voor het gebruik is geen diepgaande kennis vereist, waardoor deze toegankelijk is voor particulieren.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-768x1024.webp\" alt=\"\" class=\"wp-image-28792\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-768x1024.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-225x300.webp 225w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1152x1536.webp 1152w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre.webp 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">\u00a9 Objectif Zero<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><strong>De Karstenbuis<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hiermee kan de mate van waterabsorptie van een materiaal (zijn porositeit) worden gemeten. Ze wordt gebruikt om het risico op infiltratie van een aan regen blootgestelde gevel te controleren of om de doeltreffendheid van een waterafstotende behandeling achteraf te verifi\u00ebren. Om de kwaliteit van de metingen en de interpretatie van de resultaten te garanderen, is het beter om een professional in te schakelen.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-pipe-karsten-768x1024.webp\" alt=\"\" class=\"wp-image-28794\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-pipe-karsten-768x1024.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-pipe-karsten-225x300.webp 225w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-pipe-karsten-1152x1536.webp 1152w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-pipe-karsten.webp 1350w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">\u00a9 Objectif Zero<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/section>\n\n\n<section id=\"questions-container-28965\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Hoe herken en verhelp je vochtproblemen door capillaire werking?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Poreuze bouwmaterialen (natuursteen, bakstenen, mortel, enz.) zijn capillair, dat wil zeggen dat ze al het water absorberen waarmee ze in contact komen: muren tegen de grond, maar ook platen en oude funderingen kunnen dus vochtig worden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dit probleem doet zich vooral voor bij gebouwen die v\u00f3\u00f3r 1945 zijn gebouwd met massief, poreus metselwerk. Vanaf 1945 werd dit fenomeen beperkt door het gebruik van waterdichtingsmembranen aan de voet van muren en onder vloerplaten, en ook door het gebruik van beton.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">De twee vormen van capillair vocht<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:56%\">\n<p class=\"wp-block-paragraph\">Er zijn twee soorten muurbevochtiging door capillaire werking:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Opstijgend vocht<\/strong> wanneer water van de bodem naar boven migreert door capillaire zuiging van grondvocht.<\/li>\n\n\n\n<li><strong>Zijdelings vocht van muren tegen de grond<\/strong> wanneer de muren water absorberen uit de grond waarmee ze in contact staan.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:44%\">\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1419\" height=\"2010\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1.webp\" alt=\"\" class=\"wp-image-28803\" data-description=\"\" data-legend=\"\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1.webp 1419w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1-212x300.webp 212w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1-723x1024.webp 723w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1-768x1088.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-capillarite-1-1084x1536.webp 1084w\" sizes=\"auto, (max-width: 1419px) 100vw, 1419px\" \/><div data-focus-bullet-title=\"Niv. 1m50\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:7.000000000000001%;left:27%\" data-postion-x=\"27\" data-postion-y=\"7.000000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Begane grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:11%;left:70%\" data-postion-x=\"70\" data-postion-y=\"11\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Buiten\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:20%;left:8%\" data-postion-x=\"8\" data-postion-y=\"20\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Grondniveau\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:32%;left:26%\" data-postion-x=\"26\" data-postion-y=\"32\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Kelder\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:44%;left:70%\" data-postion-x=\"70\" data-postion-y=\"44\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Zijdelings vocht van muren tegen de grond \" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:72%;left:18%\" data-postion-x=\"18\" data-postion-y=\"72\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><div data-focus-bullet-title=\"Restvocht\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:98%;left:44%\" data-postion-x=\"44\" data-postion-y=\"98\"><span class=\"homegrade-blocks-focus-point-bullet__index\">7<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Niv. 1m50<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Begane grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Buiten<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Grondniveau<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Kelder<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Zijdelings vocht van muren tegen de grond <\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Restvocht<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 14.003906 2.0195312 A 1.0001 1.0001 0 0 0 13.021484 2.8164062 C 12.780912 3.9697739 12.337959 5.0716023 11.712891 6.0703125 A 1 1 0 0 0 12.029297 7.4472656 A 1 1 0 0 0 13.408203 7.1308594 C 13.689557 6.6813232 13.777455 6.1470466 13.996094 5.6660156 C 14.799138 7.4401703 15.869179 9.096125 17.375 10.300781 C 19.200416 11.761114 20 13.352865 20 15.019531 A 1.0001 1.0001 0 0 0 20 15.023438 C 20.01121 17.734262 18.415405 19.6949 16.322266 20.568359 C 14.229126 21.441819 11.715885 21.195955 9.796875 19.28125 A 1 1 0 0 0 8.3828125 19.283203 A 1 1 0 0 0 8.3828125 20.697266 C 10.873069 23.181936 14.327769 23.568297 17.09375 22.414062 C 19.859198 21.260012 22.013704 18.534371 22 15.017578 C 21.999347 12.684948 20.798993 10.477476 18.625 8.7382812 C 16.815456 7.2906458 15.429177 5.0677591 14.980469 2.8242188 A 1.0001 1.0001 0 0 0 14.003906 2.0195312 z M 7 4.3007812 A 1.0001 1.0001 0 0 0 6.0195312 5.1035156 C 5.7791238 6.3055527 5.0399612 7.5160779 4.0859375 8.2792969 C 2.7504501 9.3476868 2 10.775362 2 12.25 C 2 15.010541 4.2454545 17.300781 7 17.300781 C 9.7545455 17.300781 12 15.010541 12 12.25 C 12 10.762414 11.23464 9.3560961 9.921875 8.2851562 C 8.9664536 7.5057334 8.2198358 6.3003507 7.9804688 5.1035156 A 1.0001 1.0001 0 0 0 7 4.3007812 z M 7.0039062 7.9375 C 7.4510485 8.6560162 8.0094596 9.3047463 8.6582031 9.8339844 C 9.6254381 10.623045 10 11.417586 10 12.25 C 10 13.929459 8.6454545 15.300781 7 15.300781 C 5.3545455 15.300781 4 13.929459 4 12.25 C 4 11.424638 4.3694718 10.613407 5.3339844 9.8417969 C 5.9947023 9.3132226 6.5568558 8.6605704 7.0039062 7.9375 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">De rol van het grondwater<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">De aanwezigheid van een hoge grondwaterspiegel (grondwater) bevordert opstijgend vocht<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De diepte van de grondwaterspiegel varieert naargelang de klimatologische omstandigheden. In de winter kan deze op sommige plaatsen het kelderniveau bereiken.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De kaart &#8220;Overstromingsgevaar en risico&#8221; toont gebieden die gevaar lopen door een tijdelijke stijging van de grondwaterspiegel, overstroomde waterlopen en overlopende riolen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voor meer informatie: <a href=\"https:\/\/geodata.leefmilieu.brussels\/\" data-type=\"link\" data-id=\"https:\/\/geodata.leefmilieu.brussels\/\" target=\"_blank\" rel=\"noopener\">geodata.leefmilieu.brussels<\/a><\/p>\n<\/div><\/div><\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Wat zijn de symptomen?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Symptomen zijn onder andere vochtvlekken, afbladdering en blaasvorming van verfwerk, opzwellen van pleisterwerk, aantasting van voegen,&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In het geval van opstijgend vocht zijn de symptomen beperkt tot een hoogte van 1 m tot 1,5 m boven de grond, tenzij de muurvlakken waterdicht zijn, waarbij het vocht hoger kan opstijgen.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits-1024x768.webp\" alt=\"\" class=\"wp-image-28806\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits-1536x1152.webp 1536w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-deterioration-enduits.webp 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Opstijgend vocht leidt tot aantasting van pleisterwerk en verfwerk op een muur op de begane grond zonder kelder<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-pied-mur-1024x768.webp\" alt=\"\" class=\"wp-image-28809\" style=\"aspect-ratio:3\/2;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-pied-mur-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-pied-mur-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-pied-mur-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ascencionelle-pied-mur.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Opstijgend vocht aan de voet van een muur met afbladderende verf<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-laterale-cave-768x1024.webp\" alt=\"\" class=\"wp-image-28811\" style=\"aspect-ratio:2\/3;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-laterale-cave-768x1024.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-laterale-cave-225x300.webp 225w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-laterale-cave.webp 1125w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Zijdelings vocht van een keldermuur tegen de grond waardoor de baksteenvoegen worden aangetast<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight homegrade-blocks-highlight homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><img decoding=\"async\" class=\"icon__image\" src=\"https:\/\/homegrade.brussels\/wp-content\/plugins\/homegrade-blocks\/src\/highlight\/img\/icon_bulb.svg\" alt=\"\"\/><\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Kelders en vocht<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Historisch gezien bevonden zich in kelders opslagruimten of stookruimten die als buffer fungeerden en de woning beschermden tegen het vocht in de grond.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als deze bestemming behouden blijft en de kelders goed geventileerd worden, is een matige aanwezigheid van capillair vocht er niet per se een probleem. Door ze te herbestemmen tot huisvesting verandert de situatie: alle vocht moet worden verwijderd. Er kunnen grote ingrepen nodig zijn en het budget kan oplopen.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Hoe kan opstijgend vocht worden verholpen?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De oplossing is om een horizontale <strong>afdichtingsbarri\u00e8re<\/strong> aan te brengen net boven de grond.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Behandeling met injecties<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">IDit is de meest gebruikte techniek. De waterdichte barri\u00e8re wordt gemaakt door een hydrofoob product in de muren aan te brengen, bij voorkeur van binnenuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In de praktijk moet het plafond eerst worden gestript, waarna op regelmatige afstanden gaten in het metselwerk worden geboord en het product wordt ge\u00efnjecteerd. Het verspreidt zich dan door de hele muur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Er zijn verschillende soorten injectieproducten: vloeistoffen, gel of cr\u00e8mes. De samenstelling moet door een specialist worden bepaald op basis van de aard van de baksteen en de porositeit ervan.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:56%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"483\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-injection-produit-hydrophobe-1024x483.webp\" alt=\"\" class=\"wp-image-28814\" style=\"aspect-ratio:3\/4;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-injection-produit-hydrophobe-1024x483.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-injection-produit-hydrophobe-300x142.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-injection-produit-hydrophobe-768x362.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-injection-produit-hydrophobe.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Injecties met hydrofoob product tegen opstijgend vocht in een keldermuur <br>\u00a9 Technichem<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:44%\">\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1419\" height=\"2010\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle.webp\" alt=\"\" class=\"wp-image-28820\" data-description=\"\" data-legend=\"\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle.webp 1419w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle-212x300.webp 212w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle-723x1024.webp 723w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle-768x1088.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-humidite-ascencionelle-1084x1536.webp 1084w\" sizes=\"auto, (max-width: 1419px) 100vw, 1419px\" \/><div data-focus-bullet-title=\"Buiten\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:18%;left:23%\" data-postion-x=\"23\" data-postion-y=\"18\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Begane grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:7.000000000000001%;left:68%\" data-postion-x=\"68\" data-postion-y=\"7.000000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Injecties\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:25%;left:49%\" data-postion-x=\"49\" data-postion-y=\"25\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Kelder\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:42%;left:73%\" data-postion-x=\"73\" data-postion-y=\"42\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Waterdichte bekleding (optioneel)\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:55.00000000000001%;left:54%\" data-postion-x=\"54\" data-postion-y=\"55.00000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Waterdichte vocht\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:95%;left:44%\" data-postion-x=\"44\" data-postion-y=\"95\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Buiten<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Begane grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Injecties<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Kelder<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Waterdichte bekleding (optioneel)<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Waterdichte vocht<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight homegrade-blocks-highlight homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><img decoding=\"async\" class=\"icon__image\" src=\"https:\/\/homegrade.brussels\/wp-content\/plugins\/homegrade-blocks\/src\/highlight\/img\/icon_bulb.svg\" alt=\"\"\/><\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Aandachtspunten<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">De injectietechniek werkt alleen als de muur poreus is, dus in bakstenen of stenen metselwerk. Deze werkt niet voor betonnen muren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Het wordt sterk aanbevolen om een beroep te doen op een bedrijf dat gespecialiseerd is in injectiebehandeling, dat producten met technische goedkeuring (ATG) gebruikt en dat de Technische Voorlichting 252 van Buildwise naleeft. Deze werken zijn over het algemeen gegarandeerd voor minimaal 20 jaar.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<h4 class=\"wp-block-heading\">Behandeling door het aanbrengen van een waterdichtingsmembraan<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De waterdichte barri\u00e8re wordt gecre\u00eberd door een membraan in de muren aan te brengen. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deze techniek wordt tegenwoordig afgeraden. De tussenkomst van een stabiliteitsingenieur is vereist voor voorafgaand advies en opvolging van de werken. In de praktijk moet er een sleuf in het metselwerk worden gemaakt om het membraan in te brengen, wat een invloed heeft op de stabiliteit van het gebouw (en zelfs op die van de naburige gebouwen).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Aanvullende maatregel op de horizontale barri\u00e8re<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Als de ruimte een <strong>kelder<\/strong> is en er wordt een matige vochtigheid getolereerd: een dampdoorlatende muurafwerking (zichtbare baksteen of kalkverf) in combinatie met goede ventilatie verdient de voorkeur.<\/li>\n\n\n\n<li>Als de ruimte <strong>bewoonbaar is<\/strong>: het deel van de muur onder het injectieniveau moet worden afgedicht (zie volgend hoofdstuk). Er moet ook voor goede ventilatie worden gezorgd.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hoe kan zijdelings vocht van muren tegen de grond verholpen worden?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De beste optie is om de buitenkant van de ondergrondse muur af te dichten om hem te beschermen. Als dit niet mogelijk is, wordt er gekozen voor een intern alternatief (bekuiping).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Afdichting van de buitenkant van de muur<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Aan de buitenkant van de muur wordt een membraan aangebracht dat bestand is tegen vocht en waterdruk. Aan de voet van de muur wordt een drainering geplaatst en aangesloten op het rioolstelsel.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:56%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite-1024x1024.webp\" alt=\"\" class=\"wp-image-28828\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite-1024x1024.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite-300x300.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite-150x150.webp 150w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite-768x768.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-membrane-etancheite.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Waterdichtingsmembraan op bestaande muur tegen de grond<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:44%\">\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1418\" height=\"1881\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite.webp\" alt=\"\" class=\"wp-image-28831\" data-description=\"\" data-legend=\"\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite.webp 1418w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite-226x300.webp 226w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite-772x1024.webp 772w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite-768x1019.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-revetement-membrane-etacheite-1158x1536.webp 1158w\" sizes=\"auto, (max-width: 1418px) 100vw, 1418px\" \/><div data-focus-bullet-title=\"Buiten\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:16%;left:16%\" data-postion-x=\"16\" data-postion-y=\"16\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Begane grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:8%;left:70%\" data-postion-x=\"70\" data-postion-y=\"8\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Vochtigheid van de grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:48%;left:14.000000000000002%\" data-postion-x=\"14.000000000000002\" data-postion-y=\"48\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Kelder\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:46%;left:69%\" data-postion-x=\"69\" data-postion-y=\"46\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Waterdichte bekleding\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:64%;left:32%\" data-postion-x=\"32\" data-postion-y=\"64\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Injecties indien opstijgend vocht\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:61%;left:51%\" data-postion-x=\"51\" data-postion-y=\"61\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><div data-focus-bullet-title=\"Drainering\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:80%;left:22%\" data-postion-x=\"22\" data-postion-y=\"80\"><span class=\"homegrade-blocks-focus-point-bullet__index\">7<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Buiten<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Begane grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vochtigheid van de grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Kelder<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Waterdichte bekleding<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Injecties indien opstijgend vocht<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Drainering<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Aanvullende maatregel<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Het kan nodig zijn om een horizontale barri\u00e8re (injecties) onderaan de muur aan te brengen om opstijgend vocht te voorkomen.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:54%\">\n<h4 class=\"wp-block-heading\">Interne bekuiping<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Hierbij wordt aan de binnenkant van de muur een <strong>waterdichte bekleding<\/strong> aangebracht. Deze oplossing is nuttig als het niet mogelijk is om van buitenaf in te grijpen, maar is minder effectief omdat het niet voorkomt dat de muur water absorbeert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bij deze techniek wordt meestal een hydrofoob cement aangebracht.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als er water langs de muren stroomt, moeten er waterdichte membranen worden aangebracht, eventueel aangevuld met een interne drainage die is aangesloten op het rioolstelsel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Als het rioolniveau te hoog is, moet er een opvoerpomp worden ge\u00efnstalleerd.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:44%\">\n<section class=\"wp-block-homegrade-content-blocks-focused-schema homegrade-blocks-focused-schema\"><figure class=\"picture-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1419\" height=\"1881\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur.webp\" alt=\"\" class=\"wp-image-28841\" data-description=\"\" data-legend=\"\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur.webp 1419w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur-226x300.webp 226w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur-772x1024.webp 772w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur-768x1018.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-schema-cuvelage-interieur-1159x1536.webp 1159w\" sizes=\"auto, (max-width: 1419px) 100vw, 1419px\" \/><div data-focus-bullet-title=\"Buiten\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:16%;left:16%\" data-postion-x=\"16\" data-postion-y=\"16\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Begane grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:8%;left:70%\" data-postion-x=\"70\" data-postion-y=\"8\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Injecties\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:27%;left:50%\" data-postion-x=\"50\" data-postion-y=\"27\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Vochtigheid van de grond\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:48%;left:14.000000000000002%\" data-postion-x=\"14.000000000000002\" data-postion-y=\"48\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Kelder\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:46%;left:69%\" data-postion-x=\"69\" data-postion-y=\"46\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><div data-focus-bullet-title=\"Bekuiping\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:61%;left:52%\" data-postion-x=\"52\" data-postion-y=\"61\"><span class=\"homegrade-blocks-focus-point-bullet__index\">6<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Buiten<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Begane grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Injecties<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vochtigheid van de grond<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Kelder<\/span><span><\/span><\/li>\n\n\n\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Bekuiping<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Aanvullende maatregel<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Door de verdamping van vocht vanuit de muur naar de ruimte tegen te houden, kan de bekuiping opstijgend vocht bevorderen. Om schade aan de bovenverdieping van het gebouw te voorkomen, is het vaak nodig om een horizontale barri\u00e8re (injecties) aan te brengen.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 12 1 C 5.9367124 1 1 5.9367124 1 12 C 1 18.063288 5.9367124 23 12 23 C 18.063288 23 23 18.063288 23 12 C 23 5.9367124 18.063288 1 12 1 z M 12 3 C 16.982407 3 21 7.0175926 21 12 C 21 16.982407 16.982407 21 12 21 C 7.0175926 21 3 16.982407 3 12 C 3 7.0175926 7.0175926 3 12 3 z M 12 7 A 1 1 0 0 0 11 8 A 1 1 0 0 0 12 9 L 12.009766 9 A 1 1 0 0 0 13.009766 8 A 1 1 0 0 0 12.009766 7 L 12 7 z M 12 11 A 1 1 0 0 0 11 12 L 11 16 A 1 1 0 0 0 12 17 A 1 1 0 0 0 13 16 L 13 12 A 1 1 0 0 0 12 11 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Goed om te weten over de garantie op de kelderafdichting<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Deze techniek, die moet worden uitgevoerd door een gespecialiseerd bedrijf, garandeert het werk over het algemeen slechts voor een periode van 10 jaar.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<p class=\"wp-block-paragraph\">Nadat een capillaire vochtwerende behandeling is uitgevoerd, kan er schade blijven bestaan: vlekken, uitbloeiingen\u2026 Als een esthetische afwerking van de muur nodig is, bijvoorbeeld als de ruimte bewoonbaar is, moet de aanwezigheid van zouten worden geanalyseerd en kan een aanvullende behandeling worden uitgevoerd om deze zouten te neutraliseren (zie volgend hoofdstuk).<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 15.777344 0.99609375 C 11.306605 1.1404116 7.9454633 5.7101484 9.4179688 10.169922 L 1.9140625 17.673828 C 1.2380949 18.350241 0.91951564 19.22518 0.96679688 20.03125 C 1.0141066 20.837805 1.3820789 21.553777 1.9140625 22.085938 C 2.4460461 22.618098 3.1602574 22.985625 3.9667969 23.033203 C 4.7733363 23.080783 5.6493659 22.764471 6.3261719 22.087891 L 13.830078 14.583984 C 18.960819 16.277744 24.23863 11.548442 22.753906 6.1484375 C 22.597564 5.5777893 22.097319 5.1498899 21.578125 5.0410156 C 21.058931 4.9321413 20.494222 5.0911905 20.097656 5.4902344 L 17 8.5859375 L 15.414062 7 L 18.513672 3.9023438 A 1.0001 1.0001 0 0 0 18.515625 3.9003906 C 18.911528 3.5032035 19.070086 2.9407559 18.960938 2.421875 C 18.851789 1.9029941 18.421528 1.4022488 17.851562 1.2460938 C 17.145946 1.0522947 16.449441 0.97439809 15.777344 0.99609375 z M 15.714844 3.1738281 C 15.938984 3.1642665 16.16704 3.1695348 16.398438 3.1894531 L 13.992188 5.5917969 A 1.0001 1.0001 0 0 0 13.986328 5.5996094 C 13.231829 6.3693529 13.231829 7.6306471 13.986328 8.4003906 A 1.0001 1.0001 0 0 0 13.992188 8.40625 L 15.59375 10.007812 A 1.0001 1.0001 0 0 0 15.599609 10.013672 C 16.369353 10.768171 17.630647 10.768171 18.400391 10.013672 A 1.0001 1.0001 0 0 0 18.40625 10.007812 L 20.810547 7.6035156 C 21.127701 11.304884 17.553317 14.193098 13.941406 12.558594 A 1.0001 1.0001 0 0 0 12.822266 12.763672 L 4.9121094 20.671875 C 4.5889158 20.994961 4.3417103 21.052198 4.0859375 21.037109 C 3.8301647 21.022021 3.5458914 20.889714 3.328125 20.671875 C 3.1103586 20.454036 2.9778937 20.16984 2.9628906 19.914062 C 2.9478876 19.658285 3.0049315 19.410976 3.328125 19.087891 L 11.238281 11.177734 A 1.0001 1.0001 0 0 0 11.441406 10.058594 C 9.9087804 6.6718123 12.352739 3.3172528 15.714844 3.1738281 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Capillair vocht &#8211; Diagnostische hulpmiddelen<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1-768x1024.webp\" alt=\"\" class=\"wp-image-28848\" style=\"aspect-ratio:1;object-fit:cover;object-position:57% 50%\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1-768x1024.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1-225x300.webp 225w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1-1152x1536.webp 1152w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-infiltration-humidimetre-1.webp 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"wp-block-paragraph\">Met een <strong>vochtmeter<\/strong> (zie vorig hoofdstuk &#8220;Infiltratie&#8221;) kan de vochtigheidsgraad bepaald worden.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/section>\n<\/section>\n\n\n<section id=\"questions-container-28478\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Efflorescences et sels dans les murs : d\u2019o\u00f9 viennent-ils et comment les traiter ?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Les ma\u00e7onneries en briques ou pierre peuvent contenir diff\u00e9rentes sortes de sels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les sels peuvent \u00eatre pr\u00e9sents dans le mat\u00e9riau d\u00e8s l\u2019origine de par son processus de fabrication. Ils peuvent aussi avoir p\u00e9n\u00e9tr\u00e9 le mat\u00e9riau s&#8217;il a \u00e9t\u00e9 humidifi\u00e9 par de l\u2019eau charg\u00e9e en sels (cas des murs contre terre notamment).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La pr\u00e9sence de sels peut entrainer diff\u00e9rents ph\u00e9nom\u00e8nes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019\u00e9vaporation de l\u2019eau contenue dans un mur anciennement humide peut provoquer la migration de sels vers la surface du mur.<br>Ce ph\u00e9nom\u00e8ne apparait fr\u00e9quemment \u00e0 la suite d&#8217;un traitement contre l\u2019humidit\u00e9 ascensionnelle.<\/li>\n\n\n\n<li>Les mouvements d\u2019eau dans un mur peuvent transporter des sels au sein des mat\u00e9riaux (joints, ma\u00e7onnerie).<\/li>\n\n\n\n<li>La plupart des sels sont hygroscopiques : ils captent l&#8217;humidit\u00e9 de l&#8217;air du local et la stockent. Ils peuvent donc emp\u00eacher le s\u00e9chage du mur m\u00eame si la source du probl\u00e8me d&#8217;humidit\u00e9 a \u00e9t\u00e9 trait\u00e9e.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Quels sont les sympt\u00f4mes ?<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les sels qui cristallisent \u00e0 la surface du mur provoquent des efflorescences blanches, des aur\u00e9oles humides, la d\u00e9gradation des joints, des enduits et des peintures. <br><br>Ces d\u00e9gradations sont g\u00e9n\u00e9ralement sans gravit\u00e9 mais elles emp\u00eachent le maintien d\u2019une finition esth\u00e9tique car sans traitement, elles ont de fortes chances de r\u00e9appara\u00eetre.<\/li>\n\n\n\n<li>Les sels pr\u00e9sents au sein des murs n\u2019entrainent pas n\u00e9cessairement de traces visibles en surface.<br><br>Ils peuvent cependant occasionner, \u00e0 terme, des fissurations de la ma\u00e7onnerie. En effet, lorsque les sels se chargent en eau, leur volume augmente et ils font alors pression sur les mat\u00e9riaux.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-degradation-sel-1024x768.webp\" alt=\"\" class=\"wp-image-28860\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-degradation-sel-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-degradation-sel-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-degradation-sel-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-degradation-sel.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">D\u00e9gradation de peinture due aux sels<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-tache-humidite-facade-1024x768.webp\" alt=\"\" class=\"wp-image-28858\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-tache-humidite-facade-1024x768.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-tache-humidite-facade-300x225.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-tache-humidite-facade-768x576.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-tache-humidite-facade.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Tache d\u2019humidit\u00e9 en fa\u00e7ade due \u00e0 la pr\u00e9sence de nitrates dans la ma\u00e7onnerie \u00a9 CSTC-Digest n\u00b013 de 2016 (NIT Recap-13)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la diff\u00e9rence de l&#8217;humidit\u00e9 ascensionnelle, qui se limite g\u00e9n\u00e9ralement \u00e0 une hauteur de 1 m, les taches li\u00e9es aux sels peuvent appara\u00eetre bien plus haut, jusque 2,5 m environ.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 8.5 1 A 1 1 0 0 0 7.5 2 A 1 1 0 0 0 8.5 3 L 9 3 L 9 8 C 9.000071 8.1677825 8.957418 8.3332395 8.8769531 8.4804688 L 3.3671875 18.560547 C 2.2950708 20.519993 3.7664238 23.000517 6 23 L 18 23 C 20.233576 23.000517 21.704929 20.519993 20.632812 18.560547 L 15.123047 8.4804688 C 15.042582 8.3332396 14.999929 8.1677825 15 8 L 15 3 L 15.5 3 A 1 1 0 0 0 16.5 2 A 1 1 0 0 0 15.5 1 L 14 1 L 10 1 L 8.5 1 z M 11 3 L 13 3 L 13 8 C 12.999787 8.5031848 13.125871 8.9979085 13.367188 9.4394531 L 15.859375 14 L 8.140625 14 L 10.632812 9.4394531 C 10.874128 8.9979085 11.000213 8.5031848 11 8 L 11 3 z M 7.046875 16 L 16.953125 16 L 18.876953 19.519531 C 19.263535 20.226065 18.805379 21.000186 18 21 L 6 21 C 5.1946211 21.000186 4.736465 20.226065 5.1230469 19.519531 L 7.046875 16 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Salp\u00eatre et autres sels : de quoi parle-t-on ?<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Le \u00ab <strong>salp\u00e8tre<\/strong> \u00bb d\u00e9signe dans le langage courant tout type d\u2019efflorescence.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Techniquement, il s\u2019agit de nitrate de potassium, le sel le plus courant, que l\u2019on rencontre notamment dans les anciennes fermes puisqu\u2019il est pr\u00e9sent dans de nombreux engrais, les d\u00e9jections animales et les gaz de combustion des chaudi\u00e8res et des moteurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2019autres types de sels peuvent entrainer des efflorescences : les sulfates, pr\u00e9sents naturellement dans les sols et les eaux pluviales, et les chlorures, que l\u2019on retrouve dans les produits de d\u00e9neigement.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<h4 class=\"wp-block-heading\">Comment y rem\u00e9dier ?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">La premi\u00e8re chose \u00e0 faire est de v\u00e9rifier si le mur est vraiment l&#8217;objet d&#8217;un probl\u00e8me d&#8217;humidit\u00e9 (infiltrations, humidit\u00e9 capillaire, fuite&#8230;). Une fois le probl\u00e8me r\u00e9solu, il faut laisser au mur le temps de s\u00e9cher.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En cas de persistance de sympt\u00f4mes li\u00e9s aux sels, la solution consiste \u00e0 en limiter la cristallisation en surface (sans pour autant permettre de les \u00e9liminer).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs traitements existent :<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Les enduits d\u2019assainissement perm\u00e9ables \u00e0 la diffusion de vapeur d\u2019eau, qui retiennent les sels avant qu\u2019ils ne se d\u00e9posent \u00e0 la surface.<\/li>\n\n\n\n<li>Les cimentages \u00e9tanches compl\u00e9t\u00e9s par un panneau de finition.<\/li>\n\n\n\n<li>Les membranes drainantes \u00e9tanches.<\/li>\n\n\n\n<li>La cr\u00e9ation d\u2019une contre-cloison ind\u00e9pendante.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-enduit-assainissement-1024x683.webp\" alt=\"\" class=\"wp-image-28863\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-enduit-assainissement-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-enduit-assainissement-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-enduit-assainissement-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-enduit-assainissement.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u00a9 Hydrotec assainissement Wavre<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 16 1 A 1 1 0 0 0 15.292969 1.2929688 A 1 1 0 0 0 15.292969 2.7070312 L 15.585938 3 L 3.3027344 15.283203 A 1 1 0 0 0 3.2832031 15.302734 L 2.1230469 16.462891 C 0.6376864 17.949903 0.6376864 20.389941 2.1230469 21.876953 C 3.6048974 23.357203 6.0341859 23.36343 7.5234375 21.890625 A 1.0001 1.0001 0 0 0 7.5273438 21.886719 L 12.697266 16.716797 A 1 1 0 0 0 12.716797 16.697266 L 21 8.4140625 L 21.292969 8.7070312 A 1 1 0 0 0 22.707031 8.7070312 A 1 1 0 0 0 22.707031 7.2929688 L 16.707031 1.2929688 A 1 1 0 0 0 16 1 z M 17 4.4140625 L 19.585938 7 L 11.585938 15 L 6.4140625 15 L 17 4.4140625 z M 4.4140625 17 L 9.5859375 17 L 6.1171875 20.46875 C 5.3934021 21.184541 4.2572978 21.182342 3.5371094 20.462891 C 2.8150665 19.740045 2.8150665 18.599799 3.5371094 17.876953 L 4.4140625 17 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Sels &#8211; Outils d&#8217;aide au diagnostic<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Les bandelettes test <\/strong>: utilis\u00e9es par les professionnels, elles permettent de mettre en \u00e9vidence la pr\u00e9sence des sels hygroscopiques les plus courants dans les ma\u00e7onneries et les enduits et d\u2019en pr\u00e9ciser la teneur.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"635\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-test-nitrates-1024x635.webp\" alt=\"\" class=\"wp-image-28866\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-test-nitrates-1024x635.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-test-nitrates-300x186.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-test-nitrates-768x476.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-test-nitrates.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div><\/section>\n<\/section>\n\n\n<section id=\"questions-container-28482\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Condensation : pourquoi l\u2019humidit\u00e9 de l\u2019air se d\u00e9pose-t-elle sur les murs, et comment l\u2019\u00e9viter ?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Le ph\u00e9nom\u00e8ne de condensation est un probl\u00e8me fr\u00e9quent dans les habitations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019air contient naturellement de la vapeur d\u2019eau, et les activit\u00e9s quotidiennes des occupants en g\u00e9n\u00e8rent aussi une quantit\u00e9 importante (pr\u00e9paration des repas, prise de douches, simplement transpiration et respiration). \u00c0 titre d&#8217;exemple, un m\u00e9nage de quatre personnes produit minimum 10 litres de vapeur d\u2019eau par jour.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si cette vapeur d\u2019eau n\u2019est pas \u00e9vacu\u00e9e suffisamment rapidement, elle risque de se condenser au contact des surfaces froides, passant ainsi de l\u2019\u00e9tat gazeux \u00e0 l\u2019\u00e9tat de gouttelettes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque la condensation se forme en surface d\u2019un \u00e9l\u00e9ment (sur un linteau, un simple vitrage, les angles de baies, par exemple), il s\u2019agit de <strong>condensation superficielle<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La condensation peut \u00e9galement survenir \u00e0 l&#8217;int\u00e9rieur d&#8217;une paroi constitu\u00e9e de plusieurs mat\u00e9riaux (un mur isol\u00e9, par exemple) : on parle alors de <strong>condensation interne<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La condensation est l\u2019une des principales causes de d\u00e9veloppement de moisissures.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg aria-hidden=\"true\" class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\">\n  <path fill=\"currentColor\" d=\"m 18.013672,2 a 1,1 0 0 0 -0.707031,0.2929688 l -1.580078,1.5800781 a 1,1 0 0 0 -0.0039,0 1,1 0 0 0 0,0.00391 L 12.960938,6.6386719 10.277344,9.3222656 C 8.2020272,7.9337522 5.3954059,8.0578215 3.5664063,9.8867188 1.9123739,11.540658 1.6422764,13.863947 2.4082031,15.712891 c 0.7659268,1.848943 2.6005837,3.298828 4.9394531,3.298828 2.3388695,0 4.1715738,-1.449885 4.9374998,-3.298828 0.649918,-1.568899 0.494175,-3.456572 -0.560547,-5.009766 l 1.94336,-1.9433594 1.662109,1.6621094 a 1.0001,1.0001 0 0 0 1.416016,0 l 2.761718,-2.7636719 a 1.0001,1.0001 0 0 0 0,-1.4140625 l -1.662109,-1.6621094 0.875,-0.8749999 a 1,1 0 0 0 0,-1.4140625 A 1,1 0 0 0 18.013672,2 Z m -1.582031,3.9960937 0.955078,0.9550782 -1.34961,1.3496094 -0.955078,-0.9550782 z M 7.3476562,10.314453 c 0.8541932,0 1.7077078,0.328838 2.3652344,0.986328 1.0841034,1.084043 1.2117834,2.470448 0.7246094,3.646485 -0.4871745,1.176036 -1.5569822,2.064453 -3.0898438,2.064453 -1.5328615,0 -2.6046224,-0.888417 -3.0917968,-2.064453 -0.4871745,-1.176037 -0.3594942,-2.562442 0.7246093,-3.646485 0.6575267,-0.65749 1.5129944,-0.986328 2.3671875,-0.986328 z\" transform=\"translate(3 3.1906) scale(1.0111) translate(-2.001 -1.586)\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Comprendre le ph\u00e9nom\u00e8ne<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">La quantit\u00e9 de vapeur d&#8217;eau que l&#8217;air peut contenir varie en fonction de sa temp\u00e9rature. Il s\u2019agit de <strong>l\u2019humidit\u00e9 relative<\/strong> (HR). Plus l\u2019air est froid, moins il est capable de contenir de vapeur d\u2019eau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le point de ros\u00e9e<\/strong> est la temp\u00e9rature \u00e0 laquelle la vapeur d\u2019eau contenue dans l\u2019air se condense et se transforme en gouttelettes. Le diagramme de Mollier permet de d\u00e9terminer ce point de ros\u00e9e.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Dans un local o\u00f9 la temp\u00e9rature ambiante est de 20\u00b0 et l\u2019humidit\u00e9 relative de l\u2019air de 50 %, le point de ros\u00e9e est de 10\u00b0. C\u2019est-\u00e0-dire que si une paroi a une temp\u00e9rature de surface de 10\u00b0 (mur froid, linteau de fen\u00eatre\u2026), l\u2019air en contact avec cette paroi se refroidit et ne peut plus contenir autant de vapeur d&#8217;eau : il y a condensation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour la m\u00eame temp\u00e9rature ambiante mais une humidit\u00e9 relative de l\u2019air plus importante, de 70 %, il y a d\u00e9j\u00e0 condensation avec une paroi dont la temp\u00e9rature de surface est de 14\u00b0.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"799\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagrame-molier-1024x799.webp\" alt=\"Diagramme de Mollier : \u00e0 20 \u00b0C, un air \u00e0 50 % d\u2019humidit\u00e9 relative atteint son point de ros\u00e9e \u00e0 10 \u00b0C, et un air \u00e0 70 % l\u2019atteint vers 14 \u00b0C.\" class=\"wp-image-28869\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagrame-molier-1024x799.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagrame-molier-300x234.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagrame-molier-768x599.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagrame-molier.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Diagramme de Mollier \u00a9 Energie+<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div><\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Quels sont les sympt\u00f4mes ?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">La condensation superficielle<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Elle se manifeste par l&#8217;apparition de moisissures, la d\u00e9gradation des enduits et peintures, le pourrissement d\u2019\u00e9l\u00e9ments en bois comme les ch\u00e2ssis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sur les \u00e9l\u00e9ments m\u00e9talliques comme les poutrelles, une condensation superficielle prolong\u00e9e peut entrainer le d\u00e9veloppement de rouille et un vieillissement pr\u00e9matur\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces sympt\u00f4mes apparaissent dans des locaux o\u00f9 l&#8217;air est trop charg\u00e9 en vapeur d&#8217;eau et o\u00f9 les surfaces des parois sont froides. Par exemple :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Au plafond ou dans les angles de murs (ponts thermiques) des salles de bains et buanderies.<\/li>\n\n\n\n<li>Dans les chambres autour des ch\u00e2ssis de fen\u00eatres (ponts thermiques).<\/li>\n\n\n\n<li>Dans les s\u00e9jours si les occupants sont nombreux.<\/li>\n\n\n\n<li>Dans les caves dans certains cas en \u00e9t\u00e9, lorsque l\u2019air ext\u00e9rieur est chaud et humide mais que les parois du local restent fraiches et que le point de ros\u00e9e est atteint.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond-1024x1024.webp\" alt=\"\" class=\"wp-image-28874\" style=\"aspect-ratio:1;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond-1024x1024.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond-300x300.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond-150x150.webp 150w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond-768x768.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-plafond.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Condensation au plafond d\u2019une salle de bains mal ventil\u00e9e entrainant des d\u00e9t\u00e9riorations et des moisissures<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-chassis-1024x683.webp\" alt=\"\" class=\"wp-image-28872\" style=\"aspect-ratio:1;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-chassis-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-chassis-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-chassis-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-condensation-chassis.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Condensation autour d\u2019un ch\u00e2ssis du fait de la pr\u00e9sence d\u2019un pont thermique et d\u2019un manque de ventilation des locaux<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">La condensation interne<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 la diff\u00e9rence de la condensation superficielle, la <strong>condensation interne<\/strong> n\u2019entraine pas de sympt\u00f4mes directement visibles puisqu\u2019elle se produit \u00e0 l\u2019int\u00e9rieur d\u2019une paroi composite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pourtant, la pr\u00e9sence d\u2019humidit\u00e9 dans une paroi est \u00e0 proscrire puisqu&#8217;elle peut d\u00e9grader les mat\u00e9riaux et ainsi impacter la stabilit\u00e9 du b\u00e2timent, affaiblir les performances des isolants, entrainer le d\u00e9veloppement de moisissures cach\u00e9es, etc.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Comment y rem\u00e9dier ?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Rem\u00e9dier au probl\u00e8me demande de s\u2019attaquer \u00e0 deux aspects : r\u00e9duire le taux d\u2019humidit\u00e9 relative de l\u2019air et augmenter la temp\u00e9rature des parois.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>R\u00e9duire le taux d\u2019humidit\u00e9 relative de l\u2019air.<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Un taux d&#8217;humidit\u00e9 relative situ\u00e9 entre 40 et 60 % est conseill\u00e9. Au-del\u00e0, l\u2019air est humide et le risque de condensation est favoris\u00e9. Ce taux peut facilement \u00eatre surveill\u00e9 au moyen d\u2019un hygrom\u00e8tre disponible dans le commerce (cf. cadre page suivante).<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<ul class=\"wp-block-list\">\n<li><strong>A\u00e9rer les locaux<\/strong> : ouvrir les fen\u00eatres au moins 2 fois par jour pendant 15 min contribue \u00e0 \u00e9vacuer l\u2019humidit\u00e9 du logement. On a\u00e9rera essentiellement apr\u00e8s chaque action produisant de la vapeur d\u2019eau (douche, pr\u00e9paration des repas, etc.), mais aussi le matin apr\u00e8s avoir dormi dans une chambre ferm\u00e9e, la respiration produisant une quantit\u00e9 non n\u00e9gligeable de vapeur d\u2019eau.<\/li>\n\n\n\n<li>Limiter la production de vapeur d\u2019eau dans le logement : en utilisant une hotte aspirante et en \u00e9vitant de s\u00e9cher le linge \u00e0 l\u2019int\u00e9rieur.<\/li>\n\n\n\n<li><strong>Mettre en place un syst\u00e8me de ventilation efficace<\/strong> : en compl\u00e9ment de l\u2019a\u00e9ration, la ventilation contr\u00f4l\u00e9e permet d\u2019\u00e9vacuer l\u2019humidit\u00e9 de l&#8217;air gr\u00e2ce \u00e0 un bon renouvellement d&#8217;air en continu. Un syst\u00e8me complet comprend l\u2019extraction en continu de l\u2019air des pi\u00e8ces humides (salle de bain, buanderie, cuisine, toilette) et l&#8217;amen\u00e9e d&#8217;air neuf dans les locaux secs (bureaux, chambre, s\u00e9jour\u2026).<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ventilateur-integre-1024x683.webp\" alt=\"A\u00e9rateur int\u00e9gr\u00e9 au ch\u00e2ssis pour l\u2019amen\u00e9e d\u2019air dans les pi\u00e8ces s\u00e8ches\" class=\"wp-image-28881\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ventilateur-integre-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ventilateur-integre-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ventilateur-integre-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-ventilateur-integre.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">A\u00e9rateur int\u00e9gr\u00e9 au ch\u00e2ssis pour l\u2019amen\u00e9e d\u2019air dans les pi\u00e8ces s\u00e8ches<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"766\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-extracteur-individuel-1024x766.webp\" alt=\"\" class=\"wp-image-28879\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-extracteur-individuel-1024x766.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-extracteur-individuel-300x224.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-extracteur-individuel-768x574.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-extracteur-individuel.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Extracteur individuel avec d\u00e9tection d\u2019humidit\u00e9 pour les pi\u00e8ces humides  \u00a9 Codum\u00e9<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Pour en savoir plus, consultez notre brochure \u00ab <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-isolation-quotidien-color\">Ventilation d\u2019une habitation en r\u00e9novation<\/mark><\/strong> \u00bb disponible sur le site de Homegrade.<\/p>\n\n\n<a class=\"post-card post-card--isolation\" href=\"https:\/\/homegrade.brussels\/conseils\/ventilation-habitation-en-renovation\/\" target=\"_self\">\n\n\t<img decoding=\"async\" class=\"post-card__cover post-card__cover--conseils\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2023\/05\/Homegrade_Pictogrammes_RVB_isolation-XL.svg\" alt=\"\">\n\n\t<div class=\"post-card__details\">\n\t\t<div class=\"post-card__tags\">\n\t\t\t\t\t\t\t<div class=\"tag thematique-tag thematique-tag--isolation\">Isolation<\/div>\n\t\t\t\t\t\t<div class=\"tag post-type-tag\">Adviezen<\/div>\n\t\t<\/div>\n\t\t<h2 class=\"post-card__title\">Ventilation d&#8217;une habitation en r\u00e9novation<\/h2>\n\t\t\t\t<p><\/p>\n\t<\/div>\n<\/a>\n\n\n<h4 class=\"wp-block-heading\">Augmenter la temp\u00e9rature des parois<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Id\u00e9alement, la temp\u00e9rature de surface des parois ne devrait pas descendre sous 17,5\u00b0. \u00c0 cette temp\u00e9rature, le risque de condensation est limit\u00e9 m\u00eame lorsque l\u2019air se charge en humidit\u00e9. Pour y parvenir, l&#8217;id\u00e9al est d&#8217;isoler les murs par l\u2019ext\u00e9rieur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour en savoir plus, consultez notre brochure \u00ab <strong>Isoler les fa\u00e7ades par l\u2019ext\u00e9rieur \u2013 Principes et techniques <\/strong>\u00bb, disponible sur le site de Homegrade.<\/p>\n\n\n<a class=\"post-card post-card--isolation\" href=\"https:\/\/homegrade.brussels\/conseils\/isolation-thermique-habitation-bruxelloise\/isolation-facades-exterieur\/\" target=\"_self\">\n\n\t<img decoding=\"async\" class=\"post-card__cover post-card__cover--conseils\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2023\/05\/Homegrade_Pictogrammes_RVB_isolation-XL.svg\" alt=\"\">\n\n\t<div class=\"post-card__details\">\n\t\t<div class=\"post-card__tags\">\n\t\t\t\t\t\t\t<div class=\"tag thematique-tag thematique-tag--isolation\">Isolation<\/div>\n\t\t\t\t\t\t<div class=\"tag post-type-tag\">Adviezen<\/div>\n\t\t<\/div>\n\t\t<h2 class=\"post-card__title\">Isoler les fa\u00e7ades par l\u2019ext\u00e9rieur &#8211; principes et techniques<\/h2>\n\t\t\t\t<p><\/p>\n\t<\/div>\n<\/a>\n\n\n<p class=\"wp-block-paragraph\">En cas de condensation, il est important de chauffer suffisamment de sorte \u00e0 augmenter la temp\u00e9rature de la pi\u00e8ce et celle des parois.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 11.039062 3.0136719 C 10.865592 3.0097525 10.690599 3.020518 10.517578 3.046875 C 10.056188 3.1171603 9.6028681 3.2968723 9.1992188 3.5996094 A 1 1 0 0 0 9 5 A 1 1 0 0 0 10.400391 5.1992188 C 10.969989 4.7720201 11.724068 5.0081403 11.949219 5.6835938 C 12.17437 6.3590473 11.711998 7 11 7 L 2 7 A 1 1 0 0 0 1 8 A 1 1 0 0 0 2 9 L 11 9 C 13.018247 9 14.483925 6.9654474 13.845703 5.0507812 C 13.42687 3.7942816 12.253358 3.0411077 11.039062 3.0136719 z M 19.380859 6.0273438 C 18.372361 6.0560177 17.371231 6.5043738 16.699219 7.4003906 A 1 1 0 0 0 16.900391 8.8007812 A 1 1 0 0 0 18.300781 8.5996094 C 18.994925 7.6740846 20.324426 7.7953368 20.841797 8.8300781 C 21.359168 9.8648194 20.656906 11 19.5 11 L 2 11 A 1 1 0 0 0 1 12 A 1 1 0 0 0 2 13 L 19.5 13 C 22.060048 13 23.775732 10.225292 22.630859 7.9355469 C 22.058423 6.7906744 20.960006 6.144493 19.8125 6.0410156 C 19.669062 6.028081 19.524931 6.0232475 19.380859 6.0273438 z M 2 15 A 1 1 0 0 0 1 16 A 1 1 0 0 0 2 17 L 14 17 C 14.711998 17 15.17437 17.640953 14.949219 18.316406 C 14.724068 18.99186 13.969989 19.22798 13.400391 18.800781 A 1 1 0 0 0 12 19 A 1 1 0 0 0 12.199219 20.400391 C 13.813817 21.611339 16.207481 20.863885 16.845703 18.949219 C 17.483925 17.034553 16.018247 15 14 15 L 2 15 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">isoler sans oublier de ventiler<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Lors de travaux d&#8217;isolation, il est essentiel d\u2019inclure une r\u00e9flexion surla ventilation afin d\u2019\u00e9viter l\u2019apparition ou l\u2019accentuation de condensation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un exemple courant est le d\u00e9veloppement de moisissures autour des baies \u00e0 la suite d&#8217;un remplacement de ch\u00e2ssis simple vitrage par de nouveaux ch\u00e2ssis munis de double ou triple vitrage. Le vitrage n\u2019\u00e9tant plus la paroi la plus froide, la condensation qui se produisait jusqu\u2019alors sur ce vitrage se d\u00e9place sur les autres parois froides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour y rem\u00e9dier, on pr\u00e9voira des a\u00e9rateurs int\u00e9gr\u00e9s aux ch\u00e2ssis des locaux secs et un extracteur d\u2019air dans les locaux humides, ou bienon optera pour un syst\u00e8me de ventilation double flux.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<h4 class=\"wp-block-heading\">Condensation &#8211; Outils d&#8217;aide au diagnostic<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\">L\u2019hygrom\u00e8tre<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Il permet de mesurer l\u2019humidit\u00e9 relative de l\u2019air (en pourcentage).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e8s pratiques pour les particuliers, les hygrom\u00e8tres num\u00e9riques mobiles int\u00e8grent un thermom\u00e8tre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En affichant la temp\u00e9rature et le taux d\u2019humidit\u00e9 de l\u2019air, ils facilitent la surveillance du climat int\u00e9rieur.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Le thermom\u00e8tre &#8211; hygrom\u00e8tre infrarouge<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Il combine un thermom\u00e8tre, un capteur de temp\u00e9rature de paroi \u00e0 distance et un affichage du point de ros\u00e9e.<br>Il permet de mesurer la temp\u00e9rature d\u2019une surface et de v\u00e9rifier le risque de condensation. La mesure infrarouge pouvant se faire \u00e0 distance, cet outil est aussi adapt\u00e9 aux endroits inaccessibles (plafond, angles des murs, etc.).<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">La cam\u00e9ra thermique<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Utilis\u00e9e par les professionnels, elle capte le rayonnement infrarouge \u00e9mis par les objets, donc leur temp\u00e9rature, qu\u2019elle restitue sous forme de couleurs. Elle permet de d\u00e9tecter les zones froides, moins ou pas isol\u00e9es, et de localiser les risques de condensation. C\u2019est un outil co\u00fbteux, qui requiert une formation.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"762\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-1024x762.webp\" alt=\"\" class=\"wp-image-28890\" style=\"aspect-ratio:16\/9;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-1024x762.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-300x223.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-768x571.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-infrarouge-768x1024.webp\" alt=\"\" class=\"wp-image-28884\" style=\"aspect-ratio:1;object-fit:cover;object-position:58% 25%\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-infrarouge-768x1024.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-infrarouge-225x300.webp 225w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-infrarouge-1152x1536.webp 1152w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-hygrometre-infrarouge.webp 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-camera-thermique-1024x683.webp\" alt=\"\" class=\"wp-image-28887\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-camera-thermique-1024x683.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-camera-thermique-300x200.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-camera-thermique-768x512.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-camera-thermique.webp 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/section>\n\n\n<section id=\"questions-container-28492\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Fuites, \u00e9gouts, chantiers : quelles autres sources d\u2019humidit\u00e9 surveiller ?<\/h2>\n\t\n<h3 class=\"wp-block-heading\">Fuites de canalisations d\u2019eau et de chauffage<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les fuites sont une des causes courantes de d\u00e9g\u00e2ts des eaux. Elles sont difficiles \u00e0 localiser \u00e9tant donn\u00e9 que les canalisations sont g\u00e9n\u00e9ralement encastr\u00e9es dans les murs, les plafonds ou le sol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une soci\u00e9t\u00e9 sp\u00e9cialis\u00e9e en d\u00e9tection de fuite pourra localiser pr\u00e9cis\u00e9ment l\u2019origine de la fuite gr\u00e2ce \u00e0 des techniques de pointe non destructives (telles que la d\u00e9tection acoustique, thermique ou le tra\u00e7age au moyen d\u2019un gaz ou d\u2019un liquide colorant).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les travaux ne sont en g\u00e9n\u00e9ral pas compliqu\u00e9s \u00e0 r\u00e9aliser car il s\u2019agit de r\u00e9parations mais leur ampleur peut s\u2019av\u00e9rer plus importante que ce que l\u2019on imagine (par exemple un dommage dans la peinture d\u2019un mur impliquera la remise en peinture totale du mur).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fuites de conduites d\u2019\u00e9gouttage enterr\u00e9es<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les conduites enterr\u00e9es peuvent subir des d\u00e9t\u00e9riorations avec le temps. La fissuration d\u2019une conduite ou le d\u00e9chaussement d\u2019un \u00e9l\u00e9ment d\u2019\u00e9gouttage entraine des infiltrations dans le sol qui occasionnent parfois des poches d\u2019eau souterraines et des microfissures dans la construction en raison d\u2019un tassement de la construction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs solutions existent pour y rem\u00e9dier : injection de produits de colmatage, remplacement des tuyauteries ou d\u2019autres \u00e9l\u00e9ments d\u2019\u00e9gouttage. Une inspection avec une cam\u00e9ra par une soci\u00e9t\u00e9 sp\u00e9cialis\u00e9e est conseill\u00e9e pour pouvoir localiser les anomalies d&#8217;un r\u00e9seau d\u2019\u00e9gouttage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Humidit\u00e9 r\u00e9siduelle des mat\u00e9riaux<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque l&#8217;on r\u00e9alise des travaux de r\u00e9novation, les mat\u00e9riaux mis en \u0153uvre contiennent une certaine quantit\u00e9 d\u2019eau (par exemple une chape ou un plafonnage).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette eau doit imp\u00e9rativement s\u00e9cher avant que les finitions ne soient appliqu\u00e9es. Selon les conditions atmosph\u00e9riques, l\u2019\u00e9vaporation naturelle n\u2019est pas toujours suffisante et le recours \u00e0 un d\u00e9shumidificateur peut \u00eatre n\u00e9cessaire.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight-v2 homegrade-blocks-highlight homegrade-blocks-highlight-v2 homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><svg class=\"icon__image\" focusable=\"false\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\">\n  <path fill=\"currentColor\" d=\"M 5 1 A 1 1 0 0 0 4 2 A 1 1 0 0 0 5 3 L 6 3 L 6 6.171875 C 6.0001698 6.9670754 6.3165298 7.7307621 6.8789062 8.2929688 L 10.585938 12 L 6.8789062 15.707031 C 6.3165297 16.269238 6.0001698 17.032925 6 17.828125 L 6 21 L 5 21 A 1 1 0 0 0 4 22 A 1 1 0 0 0 5 23 L 19 23 A 1 1 0 0 0 20 22 A 1 1 0 0 0 19 21 L 18 21 L 18 17.828125 C 17.99983 17.032925 17.68347 16.269238 17.121094 15.707031 L 13.414062 12 L 17.121094 8.2929688 C 17.68347 7.730762 17.99983 6.9670754 18 6.171875 L 18 3 L 19 3 A 1 1 0 0 0 20 2 A 1 1 0 0 0 19 1 L 17 1 L 7 1 L 5 1 z M 8 3 L 16 3 L 16 6.171875 C 15.999943 6.4374538 15.894852 6.691142 15.707031 6.8789062 L 12 10.585938 L 8.2929688 6.8789062 C 8.1051477 6.691142 8.0000567 6.4374538 8 6.171875 L 8 3 z M 12 13.414062 L 15.707031 17.121094 C 15.894852 17.308858 15.999943 17.562546 16 17.828125 L 16 21 L 8 21 L 8 17.828125 C 8.0000567 17.562546 8.1051477 17.308858 8.2929688 17.121094 L 12 13.414062 z\" \/>\n<\/svg>\n<\/div><h3 class=\"homegrade-blocks-highlight__block-title\">v\u00e9rifier le s\u00e9chage avant de finir<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Les temps de s\u00e9chage peuvent \u00eatre longs. Avant d\u2019entamer les finitions, il est important de v\u00e9rifier que le support est suffisamment sec gr\u00e2ce \u00e0 un humidim\u00e8tre.<\/p>\n<\/div><\/div><\/section>\n<\/section>\n\n\n<section id=\"questions-container-28494\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Comment poser le bon diagnostic face \u00e0 un probl\u00e8me d&#8217;humidit\u00e9 ?<\/h2>\n\t\n<p class=\"wp-block-paragraph\">Les causes possibles d\u2019un probl\u00e8me d\u2019humidit\u00e9 \u00e9tant nombreuses et parfois difficiles \u00e0 d\u00e9terminer, il est important de se poser un certain nombre de questions afin d\u2019\u00e9tablir le bon diagnostic. Cette check-list pourra vous y aider. En cas de doute, on se dirigera vers un professionnel.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Check-list&nbsp;<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Ann\u00e9e de construction du bien<\/mark><\/strong> : <strong>avant ou apr\u00e8s 1945 ? <\/strong><br>Oriente sur la nature des murs, l&#8217;absence de membrane d\u2019\u00e9tanch\u00e9it\u00e9 en pied de mur <br><strong>Cause possible<\/strong> : <a href=\"#questions-container-12772\" data-type=\"internal\" data-id=\"#questions-container-12772\">humidit\u00e9 par capillarit\u00e9<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Fonction du local<\/mark><\/strong> : <strong>salle de bains, cuisine, chambre ? <\/strong><br>Donne une indication sur la production de vapeur d&#8217;eau dans le local<br><strong>Cause possible<\/strong> : <a href=\"#questions-container-28482\">condensation<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Occupation du local<\/mark><\/strong> : <strong>quantit\u00e9 de personnes, temps d\u2019utilisation ?<\/strong> <br>Donne une indication sur la production de vapeur d&#8217;eau dans le local<br><strong>Cause possible<\/strong> : <a href=\"#questions-container-28482\">condensation<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Localisation du local et orientation<\/mark><\/strong> : <strong>sous toiture ? contre terre ? en fa\u00e7ade sud-ouest ? <\/strong><br>Oriente sur le risque de p\u00e9n\u00e9tration d&#8217;eau via l&#8217;enveloppe du b\u00e2timent<br><strong>Cause possible<\/strong> : infiltrations et <a href=\"#questions-container-12772\" data-type=\"internal\" data-id=\"#questions-container-12772\">humidit\u00e9 par capillarit\u00e9&nbsp;<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Moment d&#8217;apparition du probl\u00e8me<\/mark><\/strong> : <strong>quand les lieux sont occup\u00e9s ? quand il pleut ? <\/strong><br>Informe sur l&#8217;influence des occupants et des conditions atmosph\u00e9riques<br><strong>Cause possible <\/strong>: <a href=\"#questions-container-28482\">condensation<\/a>, infiltrations&nbsp;<\/li>\n\n\n\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\"><strong>Syst\u00e8me de ventilation du logement et du local<\/strong> <\/mark>: <strong>aucun \/ incomplet \/ naturel \/ m\u00e9canique ?<\/strong><br>Informe sur les possibilit\u00e9s d&#8217;\u00e9vacuation de la vapeur d&#8217;eau<br><strong>Cause possible<\/strong> : <a href=\"#questions-container-28482\">condensation<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">\u00c9tanch\u00e9it\u00e9 de l&#8217;enveloppe du local<\/mark><\/strong> : <strong>les murs, toitures, goutti\u00e8res sont-ils en bon \u00e9tat ? <\/strong><br>Oriente sur le risque de p\u00e9n\u00e9tration d&#8217;eau via l&#8217;enveloppe du b\u00e2timent<br><strong>Cause possible<\/strong> : infiltrations&nbsp;<\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Isolation thermique du local<\/mark> <\/strong>: <strong>les murs sont-ils isol\u00e9s, les fen\u00eatres r\u00e9centes ? <\/strong><br>Oriente sur la temp\u00e9rature des murs<br><strong>Cause possible<\/strong> : <a href=\"#questions-container-28482\">condensation<\/a><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Pr\u00e9sence de conduites (eau, chauffage)<\/mark><\/strong> : <strong>visibles ou encastr\u00e9es \u00e0 proximit\u00e9 ? <\/strong><br>Oriente vers une potentielle fuite&nbsp;<\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Humidit\u00e9 relative du local (mesure \u00e0 r\u00e9aliser avec un hygrom\u00e8tre)<\/mark><\/strong> Donne une indication sur les risques de condensation&nbsp;<\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-patrimoine-sante-securite-color\">Temp\u00e9rature ambiante (mesure \u00e0 r\u00e9aliser avec un thermom\u00e8tre)<\/mark><\/strong> Donne une indication sur les risques de condensation&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple pratique&nbsp;<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">Apparition de taches brunes au plafond et sur les murs de la pi\u00e8ce.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La pr\u00e9sence de conduites d&#8217;eau de chauffage laisse supposer une fuite de canalisation.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le diagnostic ne doit cependant pas \u00eatre r\u00e9alis\u00e9 de fa\u00e7on trop h\u00e2tive : le suivi de la check-list permettra de r\u00e9v\u00e9ler que la source du probl\u00e8me est en r\u00e9alit\u00e9 ailleurs.&nbsp;<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"745\" height=\"1024\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-745x1024.webp\" alt=\"\" class=\"wp-image-28895\" style=\"aspect-ratio:1;object-fit:cover\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-745x1024.webp 745w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-218x300.webp 218w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-768x1056.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-1117x1536.webp 1117w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic-1489x2048.webp 1489w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2026\/10\/humidite-diagnostic.webp 1500w\" sizes=\"auto, (max-width: 745px) 100vw, 745px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Check list&nbsp;<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ann\u00e9e de construction <\/strong>: inconnue&nbsp;<\/li>\n\n\n\n<li><strong>Fonction du local<\/strong> : chambre \u00e0 coucher condensation possible&nbsp;<\/li>\n\n\n\n<li><strong>Occupation du local<\/strong> : 2 personnes, la nuit condensation possible&nbsp;<\/li>\n\n\n\n<li><strong>Localisation \/ orientation<\/strong> : sous la toiture plate infiltrations probables&nbsp;<\/li>\n\n\n\n<li><strong>Moment d\u2019apparition du probl\u00e8me <\/strong>: probl\u00e8me renforc\u00e9 apr\u00e8s la pluie (plafond humide et accentuation des traces) infiltrations probables&nbsp;<\/li>\n\n\n\n<li><strong>Syst\u00e8me de ventilation<\/strong> : aucun (ouverture des fen\u00eatres)&nbsp;<\/li>\n\n\n\n<li><strong>\u00c9tanch\u00e9it\u00e9 de l&#8217;enveloppe du local<\/strong> : \u00e9tanch\u00e9it\u00e9 de toiture d\u00e9fectueuse dans l&#8217;angle&nbsp;<\/li>\n\n\n\n<li><strong>Isolation thermique du local<\/strong> : toiture isol\u00e9e, ch\u00e2ssis anciens, murs de fa\u00e7ade non isol\u00e9s&nbsp;<\/li>\n\n\n\n<li><strong>Conduites<\/strong> : oui, conduites de chauffage apparentes mais pas humides&nbsp;<\/li>\n\n\n\n<li><strong>Humidit\u00e9 relative<\/strong> : 50 \u00e0 55 %&nbsp;<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Diagnostic<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Taux d\u2019humidit\u00e9 relative de l&#8217;air correct de 50 % : risque de condensation limit\u00e9&nbsp;<\/li>\n\n\n\n<li>Pas de fuite au niveau des conduites de chauffage&nbsp;<\/li>\n\n\n\n<li>\u00c9tanch\u00e9it\u00e9 de la toiture plate qui s&#8217;av\u00e8re d\u00e9fectueuse : infiltrations&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Autres informations utiles recueillies : absence de syst\u00e8me de ventilation dans une chambre occup\u00e9e par deux personnes&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Solution&nbsp;<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9nover l\u2019\u00e9tanch\u00e9it\u00e9 de la toiture plate, puis nettoyer la tache d\u2019humidit\u00e9.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9fection des finitions int\u00e9rieures pourra commencer lorsque le plafond et les murs seront suffisamment secs. Le s\u00e9chage peut \u00eatre contr\u00f4l\u00e9 au moyen d\u2019un humidim\u00e8tre.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e9cautions compl\u00e9mentaires :&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le taux d\u2019humidit\u00e9 relatif de l\u2019air de la chambre est bon, mais vu l\u2019absence de syst\u00e8me de ventilation on pensera \u00e0 bien a\u00e9rer matin et soir en ouvrant les fen\u00eatres.&nbsp;<\/li>\n\n\n\n<li>Si les ch\u00e2ssis venaient \u00e0 \u00eatre remplac\u00e9s, le placement d\u2019a\u00e9rateurs conformes \u00e0 la r\u00e8glementation PEB serait \u00e0 envisager.<\/li>\n<\/ul>\n<\/section>\n\n\n<section id=\"questions-container-28500\" class=\"questions-container-block\">\n\t<h2 class=\"questions-container-block__title\">Vers qui se tourner en cas de probl\u00e8me d\u2019humidit\u00e9 ?<\/h2>\n\t\n<h3 class=\"wp-block-heading\">Experts et architectes&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ils peuvent vous aider \u00e0 identifier la source d\u2019un probl\u00e8me d\u2019humidit\u00e9 et \u00e0 d\u00e9terminer la solution ad\u00e9quate. Ils peuvent aussi vous accompagner dans la v\u00e9rification et la comparaison des devis ainsi que pour le suivi de chantier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Association Belge des Experts : <a href=\"http:\/\/www.abex.be\" target=\"_blank\" rel=\"noopener\">www.abex.be<\/a><br>Conseil national de l&#8217;Ordre des architectes : <a href=\"https:\/\/ordredesarchitectes.be\/\" data-type=\"link\" data-id=\"https:\/\/ordredesarchitectes.be\/\" target=\"_blank\" rel=\"noopener\">ordredesarchitectes.be<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le CRIPI (Cellule R\u00e9gionale d&#8217;Intervention en Pollution Int\u00e9rieure)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ce service intervient \u00e0 la demande du m\u00e9decin lorsqu&#8217;il diagnostique des probl\u00e8mes de sant\u00e9 li\u00e9s \u00e0 la pr\u00e9sence de moisissures dans l&#8217;habitation. Le CRIPI effectue des pr\u00e9l\u00e8vements dans le logement et communique les r\u00e9sultats au m\u00e9decin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus d&#8217;information : <a href=\"https:\/\/environnement.brussels\/\" data-type=\"link\" data-id=\"https:\/\/environnement.brussels\/\" target=\"_blank\" rel=\"noopener\">environnement.brussels<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La DIRL (Direction de l&#8217;Inspection R\u00e9gionale du Logement de la R\u00e9gion de Bruxelles-Capitale)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les logements mis en location doivent respecter des conditions minimales de s\u00e9curit\u00e9, de salubrit\u00e9 et d&#8217;\u00e9quipement \u00e9l\u00e9mentaires. Dans le cas contraire, le locataire a la possibilit\u00e9 de d\u00e9poser une plainte pour non-conformit\u00e9 aupr\u00e8s de la DIRL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus d&#8217;information : <a href=\"http:\/\/logement.brussels\" target=\"_blank\" rel=\"noopener\">logement.brussels<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Attention : il est aussi du devoir du locataire de maintenir son logement en bon \u00e9tat, de le chauffer suffisamment, de l\u2019a\u00e9rer en ouvrant les fen\u00eatres, et de pr\u00e9venir le propri\u00e9taire des d\u00e9t\u00e9riorations qu\u2019il pourrait remarquer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Assurances<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prot\u00e9gez-vous contre les sinistres en contractant une assurance habitation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un sinistre peut aussi entrainer des d\u00e9g\u00e2ts chez votre voisin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les assurances couvrent g\u00e9n\u00e9ralement les d\u00e9g\u00e2ts caus\u00e9s par des infiltrations d&#8217;eau (tout ou partie des frais de r\u00e9fection des finitions), mais rarement la cause du probl\u00e8me (r\u00e9paration d&#8217;une canalisation, d&#8217;une corniche, etc.).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019assureur peut faire appel \u00e0 un expert pour d\u00e9terminer la cause du sinistre,la responsabilit\u00e9 des parties ainsi que le montant de l\u2019indemnisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour b\u00e9n\u00e9ficier de la couverture de votre assurance, vous devez imp\u00e9rativement contacter votre assureur avant d\u2019entamer les travaux de r\u00e9paration. Il vous indiquera la proc\u00e9dure \u00e0 suivre.<\/p>\n<\/section>\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight homegrade-blocks-highlight homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__titling \"><div class=\"icon\"><img decoding=\"async\" class=\"icon__image\" src=\"https:\/\/homegrade.brussels\/wp-content\/plugins\/homegrade-blocks\/src\/highlight\/img\/icon_house.svg\" alt=\"\"\/><\/div><h3 class=\"homegrade-blocks-highlight__block-title\">Homegrade : comment pouvons-nous vous aider ?<\/h3><\/div><div class=\"homegrade-blocks-highlight__content\"><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p class=\"wp-block-paragraph\">Homegrade vous propose un accompagnement sp\u00e9cifique pour les petites copropri\u00e9t\u00e9s : aide aux d\u00e9marches de r\u00e9novation, organisation de r\u00e9unions sp\u00e9cifiques, informations sur le fonctionnement d\u2019une copropri\u00e9t\u00e9 et sur l\u2019importance des travaux, pr\u00e9sentation des outils techniques et financiers, etc.<\/p>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/homegrade.brussels\/nl\/contact\/\">Contactez-nous via ce formulaire<\/a><\/div>\n<\/div><\/div><\/section>\n\n\n\r\n<section id=\"aller-plus-loin\" class=\"homegrade-blocks-plus-loin wp-block-homegrade-content-blocks-plus-loin\">\r\n\t<h2 class=\"homegrade-blocks-plus-loin__block-title\">\r\n\t\tPublications et liens utiles\t<\/h2>\r\n\t\n\n<h3 class=\"wp-block-homegrade-content-blocks-content-heading homegrade-blocks-custom-heading has-icon has-icon--documentation\">Lectures utiles\u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les Dossiers du CSTC \u2013 N\u00b0 2\/2009 &#8211; R\u00e9novation des caves&nbsp;<\/li>\n\n\n\n<li>Les Dossiers du CSTC \u2013 2011\/2.2 \u2013 Traitement des ma\u00e7onneries charg\u00e9es en sels : nouvelles techniques&nbsp;<\/li>\n\n\n\n<li>Guide pour la restauration des ma\u00e7onneries \u2013 partie 2 \u2013 sels et humidit\u00e9 ascensionnelle \u2013 CSTC, 2003&nbsp;<\/li>\n\n\n\n<li>NIT 252 (1999). L\u2019humidit\u00e9 dans les constructions&nbsp;<\/li>\n\n\n\n<li>S\u00e9rie \u00ab La sant\u00e9 de l\u2019habitat \u00bb, Fan\u00e7oise Jadoul, Espace environnement, 2006&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-homegrade-content-blocks-content-heading homegrade-blocks-custom-heading has-icon has-icon--chain\">Liens utiles<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/environnement.brussels\/\" data-type=\"link\" data-id=\"https:\/\/environnement.brussels\/\" target=\"_blank\" rel=\"noopener\">www.environnement.brussels&nbsp;<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.logement.brussels\" target=\"_blank\" rel=\"noopener\">www.logement.brussels<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.renolution.brussels\" target=\"_blank\" rel=\"noopener\">www.renolution.brussels<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.urban.brussels\" target=\"_blank\" rel=\"noopener\">www.urban.brussels<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.patrimoine.brussels\" target=\"_blank\" rel=\"noopener\">www.patrimoine.brussels<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.energieplus-lesite.be\" target=\"_blank\" rel=\"noopener\">www.energieplus-lesite.be<\/a><\/li>\n<\/ul>\n\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Vocht is een veelvoorkomend probleem in woningen dat niet lichtvaardig moet worden opgevat.Vocht kan inderdaad grote gevolgen hebben voor een gebouw. Door de ontwikkeling van schimmels en zwammen te bevorderen, schaadt het ook de gezondheid van de bewoners. Het is niet altijd gemakkelijk om de oorzaken van vocht in een gebouw te achterhalen, omdat er [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":7977,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"thematiques":[170],"class_list":["post-28903","conseils","type-conseils","status-publish","hentry","thematiques-vocht"],"acf":[],"_links":{"self":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/conseils\/28903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/conseils"}],"about":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/types\/conseils"}],"version-history":[{"count":5,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/conseils\/28903\/revisions"}],"predecessor-version":[{"id":28980,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/conseils\/28903\/revisions\/28980"}],"up":[{"embeddable":true,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/conseils\/7977"}],"wp:attachment":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/media?parent=28903"}],"wp:term":[{"taxonomy":"thematiques","embeddable":true,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/thematiques?post=28903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}