{"id":21012,"date":"2025-12-10T15:23:13","date_gmt":"2025-12-10T15:23:13","guid":{"rendered":"https:\/\/homegrade.brussels\/questions\/comment-gerer-la-vapeur-deau-au-sein-du-complexe\/"},"modified":"2025-12-24T09:34:41","modified_gmt":"2025-12-24T09:34:41","slug":"hoe-waterdamp-binnen-de-opbouw-beheren","status":"publish","type":"questions","link":"https:\/\/homegrade.brussels\/nl\/vragen\/hoe-waterdamp-binnen-de-opbouw-beheren\/","title":{"rendered":"Hoe waterdamp binnen de opbouw beheren?"},"content":{"rendered":"\n<p>In het algemeen moet bij de volgorde van de plaatsing van materialen rekening worden gehouden met hun waterdampdoorlaatbaarheid, ze moeten worden geplaatst van de meest luchtdichte (warme kant) naar de meest open (koude kant &#8211; zolder), om het risico van interne condensatie te voorkomen.<\/p>\n\n\n\n<section class=\"wp-block-homegrade-content-blocks-highlight homegrade-blocks-highlight homegrade-blocks-highlight--classic\"><div class=\"homegrade-blocks-highlight__content\"><div class=\"icon\"><img decoding=\"async\" class=\"icon__image\" src=\"https:\/\/homegrade.brussels\/wp-content\/plugins\/homegrade-blocks\/blocks\/highlight\/src\/img\/icon_search.svg\" alt=\"\"\/><\/div><div class=\"homegrade-blocks-highlight__content__innerblocks\">\n<p>De vloerafwerking moet meer dampdoorlatend zijn dan het dampscherm. Minstens 6 keer meer doorlaatbaar, idealiter 15 keer.<\/p>\n<\/div><\/div><\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Meerlagige structuur<\/h3>\n\n\n\n<p>Bij gebruik van verschillende isolatielagen moet de meest dampopen isolatie zich aan de kant van de <strong>zolder<\/strong> bevinden.<\/p>\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=\"1539\" height=\"1217\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1.webp\" alt=\"Sch\u00e9ma d\u2019un plancher entre un local chauff\u00e9 et un grenier montrant la disposition correcte des mat\u00e9riaux : le pare-vapeur c\u00f4t\u00e9 local chauff\u00e9, puis l\u2019isolant le moins perm\u00e9able, puis l\u2019isolant le plus perm\u00e9able c\u00f4t\u00e9 grenier, sous un panneau de sol\" class=\"wp-image-20836\" data-description=\"\" data-legend=\"\u00a9 Dialoog vzw\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1.webp 1539w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-300x237.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-1024x810.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-768x607.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-1536x1215.webp 1536w\" sizes=\"auto, (max-width: 1539px) 100vw, 1539px\" \/><div data-focus-bullet-title=\"Vloerplaat\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:26%;left:80%\" data-postion-x=\"80\" data-postion-y=\"26\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Meest dampopen isolatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:39%;left:80%\" data-postion-x=\"80\" data-postion-y=\"39\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Minst dampopen isolatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:55.00000000000001%;left:80%\" data-postion-x=\"80\" data-postion-y=\"55.00000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Dampscherm \" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:59%;left:86%\" data-postion-x=\"86\" data-postion-y=\"59\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Plafondpaneel\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:69%;left:80%\" data-postion-x=\"80\" data-postion-y=\"69\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><span class=\"legend\">\u00a9 Dialoog vzw<\/span><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vloerplaat<\/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\">Meest dampopen isolatie<\/span><span>(bijvoorbeeld: houtwolmatten)<\/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\">Minst dampopen isolatie<\/span><span>(bijvoorbeeld: polyurethaanplaten)<\/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\">Dampscherm <\/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\">Plafondpaneel<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n\n\n\n<p>Als de minst dampopen isolatie zich echter aan de kant van de <strong>zolder <\/strong>bevindt, moet ervoor gezorgd worden dat de <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-isolation-quotidien-color\"><strong>R<\/strong><\/mark>-waarde ervan (thermische weerstand) 1,5 keer hoger is dan die van de kant van de <strong>verwarmde ruimte<\/strong>.<\/p>\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=\"1553\" height=\"1231\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2.webp\" alt=\"Sch\u00e9ma d\u2019un plancher o\u00f9 l\u2019isolant le moins perm\u00e9able est plac\u00e9 c\u00f4t\u00e9 grenier : pour \u00e9viter les risques d\u2019humidit\u00e9, sa r\u00e9sistance thermique R2 doit \u00eatre 1,5 fois sup\u00e9rieure \u00e0 celle de l\u2019isolant plus perm\u00e9able c\u00f4t\u00e9 local chauff\u00e9.\" class=\"wp-image-20838\" data-description=\"\" data-legend=\"\u00a9 Dialoog vzw\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2.webp 1553w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2-300x238.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2-1024x812.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2-768x609.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-2-1536x1218.webp 1536w\" sizes=\"auto, (max-width: 1553px) 100vw, 1553px\" \/><div data-focus-bullet-title=\"Vloerplaat\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:21%;left:80%\" data-postion-x=\"80\" data-postion-y=\"21\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Minst dampopen isolatie \" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:33%;left:80%\" data-postion-x=\"80\" data-postion-y=\"33\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Minst dampopen isolatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:55.00000000000001%;left:80%\" data-postion-x=\"80\" data-postion-y=\"55.00000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Dampscherm\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:67%;left:83%\" data-postion-x=\"83\" data-postion-y=\"67\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Pleister op latwerk\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:69%;left:76%\" data-postion-x=\"76\" data-postion-y=\"69\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><span class=\"legend\">\u00a9 Dialoog vzw<\/span><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vloerplaat<\/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\">Minst dampopen isolatie <\/span><span>(bijvoorbeeld: polyurethaanplaten) met R2-waarde \u2265 1,5 keer de R1-waarde<\/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\">Minst dampopen isolatie<\/span><span>(bijvoorbeeld: houtwol) met R1-waarde<\/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\">Dampscherm<\/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\">Pleister op latwerk<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n\n\n\n<p>Om een bestaande isolatie te versterken, is het mogelijk om een beperkte isolatielaag onder het dampscherm toe te voegen: de thermische weerstand R van de isolatie boven het dampscherm moet minstens 1,5 keer hoger zijn dan die van de isolatie eronder. Deze methode wordt afgeraden voor vochtige ruimtes.<\/p>\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=\"1539\" height=\"1217\" src=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1.webp\" alt=\"Sch\u00e9ma d\u2019un plancher entre un local chauff\u00e9 et un grenier montrant la disposition correcte des mat\u00e9riaux : le pare-vapeur c\u00f4t\u00e9 local chauff\u00e9, puis l\u2019isolant le moins perm\u00e9able, puis l\u2019isolant le plus perm\u00e9able c\u00f4t\u00e9 grenier, sous un panneau de sol\" class=\"wp-image-20837\" data-description=\"\u00a9 Dialoog vzw\" data-legend=\"\u00a9 Dialoog vzw\" srcset=\"https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1.webp 1539w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-300x237.webp 300w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-1024x810.webp 1024w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-768x607.webp 768w, https:\/\/homegrade.brussels\/wp-content\/uploads\/2025\/12\/isoler_plancher_grenier-composition-multicouche-1-1536x1215.webp 1536w\" sizes=\"auto, (max-width: 1539px) 100vw, 1539px\" \/><div data-focus-bullet-title=\"Vloerplaat\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:26%;left:80%\" data-postion-x=\"80\" data-postion-y=\"26\"><span class=\"homegrade-blocks-focus-point-bullet__index\">1<\/span><\/div><div data-focus-bullet-title=\"Isolatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:39%;left:80%\" data-postion-x=\"80\" data-postion-y=\"39\"><span class=\"homegrade-blocks-focus-point-bullet__index\">2<\/span><\/div><div data-focus-bullet-title=\"Dampscherm\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:51%;left:88%\" data-postion-x=\"88\" data-postion-y=\"51\"><span class=\"homegrade-blocks-focus-point-bullet__index\">3<\/span><\/div><div data-focus-bullet-title=\"Isolatie\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:56.00000000000001%;left:80%\" data-postion-x=\"80\" data-postion-y=\"56.00000000000001\"><span class=\"homegrade-blocks-focus-point-bullet__index\">4<\/span><\/div><div data-focus-bullet-title=\"Plafondpanelen\" class=\"homegrade-blocks-focus-point-bullet\" aria-hidden=\"true\" style=\"top:66%;left:76%\" data-postion-x=\"76\" data-postion-y=\"66\"><span class=\"homegrade-blocks-focus-point-bullet__index\">5<\/span><\/div><\/figure><figcaption><p class=\"description-legend\"><span class=\"legend\">\u00a9 Dialoog vzw<\/span><\/p><ol>\n<li class=\"wp-block-homegrade-content-blocks-focus-point homegrade-blocks-focus-point-caption\"><span class=\"focus-point-title\">Vloerplaat<\/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\">Isolatie<\/span><span>met een R2-waarde \u2265 1,5 keer de R1-waarde<\/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\">Dampscherm<\/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\">Isolatie<\/span><span>met R1-waarde<\/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\">Plafondpanelen<\/span><span><\/span><\/li>\n<\/ol><\/figcaption><\/section>\n","protected":false},"excerpt":{"rendered":"<p>In het algemeen moet bij de volgorde van de plaatsing van materialen rekening worden gehouden met hun waterdampdoorlaatbaarheid, ze moeten worden geplaatst van de meest luchtdichte (warme kant) naar de meest open (koude kant &#8211; zolder), om het risico van interne condensatie te voorkomen. Meerlagige structuur Bij gebruik van verschillende isolatielagen moet de meest dampopen [&hellip;]<\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"footnotes":""},"thematiques":[77],"class_list":["post-21012","questions","type-questions","status-publish","hentry","thematiques-zoldervloer"],"acf":[],"_links":{"self":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/questions\/21012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/questions"}],"about":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/types\/questions"}],"version-history":[{"count":7,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/questions\/21012\/revisions"}],"predecessor-version":[{"id":21825,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/questions\/21012\/revisions\/21825"}],"wp:attachment":[{"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/media?parent=21012"}],"wp:term":[{"taxonomy":"thematiques","embeddable":true,"href":"https:\/\/homegrade.brussels\/nl\/wp-json\/wp\/v2\/thematiques?post=21012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}