{"id":141929,"date":"2026-09-10T14:00:49","date_gmt":"2026-09-10T12:00:49","guid":{"rendered":"https:\/\/www.nedzink.com\/?page_id=141929"},"modified":"2026-09-10T15:17:50","modified_gmt":"2026-09-10T13:17:50","slug":"quest-ce-quune-construction-non-ventilee","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/fr-be\/constructions-non-ventilees\/quest-ce-quune-construction-non-ventilee\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;une construction non ventil\u00e9e"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column][mk_padding_divider][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbhome-waarom-nedzink rij-wit-schaduw\u00a0\u00bb][vc_column][mk_padding_divider size=\u00a0\u00bb20&Prime;][vc_column_text margin_bottom=\u00a0\u00bb0&Prime; css=\u00a0\u00bb.vc_custom_1789040742985{margin-bottom: 0px !important;}\u00a0\u00bb]\n<h1><strong>Qu&rsquo;est-ce qu&rsquo;une construction non ventil\u00e9e<\/strong>?<\/h1>\n<p>Une construction non ventil\u00e9e est une structure de toiture et de fa\u00e7ade d\u00e9pourvue de ventilation ou de vide d&rsquo;air. Dans ce cas, une isolation thermique est pos\u00e9e sur l&rsquo;ossature, puis un syst\u00e8me de couverture. On obtient ainsi une construction monocouche non ventil\u00e9e. Ce concept convient particuli\u00e8rement aux toitures en pente et aux fa\u00e7ades en zinc. Afin d&rsquo;\u00e9viter la formation de condensation, la structure doit \u00eatre r\u00e9alis\u00e9e de mani\u00e8re \u00e9tanche \u00e0 la vapeur. La condensation interne ou due au rayonnement nocturne n\u2019est donc plus un probl\u00e8me dans cette construction. Il s\u2019agit l\u00e0 d\u2019une diff\u00e9rence importante par rapport \u00e0 un syst\u00e8me de toiture froide traditionnel. Lors de la mise en place de cette construction, on privil\u00e9gie un syst\u00e8me \u00e9tanche \u00e0 la vapeur d\u2019eau pr\u00e9sentant une valeur \u03bc.d (ou Sd) d\u2019au moins 150 m\u00e8tres.[\/vc_column_text][mk_padding_divider size=\u00a0\u00bb20&Prime;][vc_single_image image=\u00a0\u00bb27763&Prime; img_size=\u00a0\u00bbfull\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb][mk_padding_divider size=\u00a0\u00bb20&Prime;][vc_column_text margin_bottom=\u00a0\u00bb0&Prime; css=\u00a0\u00bb.vc_custom_1789041095687{margin-bottom: 0px !important;}\u00a0\u00bb]<strong>Les avantages d&rsquo;une construction \u00e9tanche \u00e0 la vapeur<\/strong><br \/>\n\u2022 Une libert\u00e9 de conception nettement accrue pour les concepteurs et les architectes.<br \/>\n\u2022 Une construction \u00e9lanc\u00e9e gr\u00e2ce \u00e0 la suppression de la cavit\u00e9 de ventilation.<br \/>\n\u2022 S\u00e9curit\u00e9 incendie garantie par l\u2019absence de cavit\u00e9s d\u2019air, et donc de tirage thermique.<br \/>\n\u2022 Facile \u00e0 mettre en \u0153uvre, ce qui permet un gain de temps consid\u00e9rable lors du montage.<br \/>\n\u2022 Des valeurs Rc \u00e9lev\u00e9es sont possibles.<\/p>\n<p><strong>Risques li\u00e9s \u00e0 une construction \u00e9tanche \u00e0 la vapeur<\/strong><br \/>\nLa mise en \u0153uvre de syst\u00e8mes \u00e9tanches \u00e0 la vapeur comporte des risques susceptibles d&rsquo;affecter leur fonctionnalit\u00e9 et leur dur\u00e9e de vie :<br \/>\n\u2022 Les joints entre les \u00e9l\u00e9ments, qui ne sont pas correctement colmat\u00e9s.<br \/>\n\u2022 Les sous-structures non rigides.<br \/>\n\u2022 La pose ult\u00e9rieure de passages ou de per\u00e7ages.<br \/>\n\u2022 Des per\u00e7ages susceptibles de provoquer des fuites.<br \/>\n\u2022 Des fuites pouvant survenir en raison d&rsquo;erreurs de conception et d&rsquo;un montage n\u00e9gligent.[\/vc_column_text][mk_padding_divider size=\u00a0\u00bb20&Prime;][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][mk_padding_divider][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbhome-waarom-nedzink rij-wit-schaduw\u00a0\u00bb][vc_column][mk_padding_divider size=\u00a0\u00bb20&Prime;][vc_column_text margin_bottom=\u00a0\u00bb0&Prime; css=\u00a0\u00bb.vc_custom_1789040742985{margin-bottom: 0px !important;}\u00a0\u00bb] Qu&rsquo;est-ce qu&rsquo;une construction non ventil\u00e9e? Une construction non ventil\u00e9e est une structure de toiture et de fa\u00e7ade d\u00e9pourvue de ventilation ou de vide d&rsquo;air. Dans ce cas, une isolation thermique est pos\u00e9e sur l&rsquo;ossature, puis un syst\u00e8me de couverture. On obtient ainsi une construction monocouche non ventil\u00e9e. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":30746,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-141929","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu&#039;est-ce qu&#039;une construction non ventil\u00e9e &#8211; NedZink<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nedzink.com\/fr-be\/constructions-non-ventilees\/quest-ce-quune-construction-non-ventilee\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce qu&#039;une construction non ventil\u00e9e &#8211; NedZink\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][mk_padding_divider][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbhome-waarom-nedzink rij-wit-schaduw\u00a0\u00bb][vc_column][mk_padding_divider size=\u00a0\u00bb20&Prime;][vc_column_text margin_bottom=\u00a0\u00bb0&Prime; css=\u00a0\u00bb.vc_custom_1789040742985{margin-bottom: 0px !important;}\u00a0\u00bb] Qu&rsquo;est-ce qu&rsquo;une construction non ventil\u00e9e? Une construction non ventil\u00e9e est une structure de toiture et de fa\u00e7ade d\u00e9pourvue de ventilation ou de vide d&rsquo;air. Dans ce cas, une isolation thermique est pos\u00e9e sur l&rsquo;ossature, puis un syst\u00e8me de couverture. On obtient ainsi une construction monocouche non ventil\u00e9e. 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