{"id":8949,"date":"2020-03-25T20:00:45","date_gmt":"2020-03-25T20:00:45","guid":{"rendered":"https:\/\/roofingcanada.com\/?post_type=docs&#038;p=8949"},"modified":"2020-03-25T20:02:28","modified_gmt":"2020-03-25T20:02:28","slug":"6-3-isolant","status":"publish","type":"docs","link":"https:\/\/roofingcanada.com\/fr\/docs\/manuel-de-reference-sur-les-couvertures-au-canada\/chapitre-6-couvertures-caoutchoutees-appliquees-a-chaud\/6-3-isolant\/","title":{"rendered":"6.3 Isolant"},"content":{"rendered":"<p>Comme indiqu\u00e9 pr\u00e9c\u00e9demment, une membrane en asphalte caoutchout\u00e9 appliqu\u00e9e \u00e0 chaud est toujours install\u00e9e dans le cadre d\u2019un syst\u00e8me de toiture \u00e0 membrane prot\u00e9g\u00e9e. L\u2019isolation en polystyr\u00e8ne extrud\u00e9 est le seul type d\u2019isolant thermique pouvant \u00eatre utilis\u00e9 avec une membrane caoutchout\u00e9e appliqu\u00e9e \u00e0 chaud. Cet isolant est le seul qui convienne \u00e0 une exposition ext\u00e9rieure, et il est capable de r\u00e9sister aux cycles continus de gel et d\u00e9gel sans se d\u00e9t\u00e9riorer. Le polystyr\u00e8ne extrud\u00e9 a un taux d\u2019absorption de l\u2019eau tr\u00e8s faible et r\u00e9siste bien \u00e0 la transmission de la vapeur. Il est produit en panneaux de 600 mm sur 1220 mm (24 po sur 48 po) dont l\u2019\u00e9paisseur varie entre 25 mm et 100 mm (1 po et 4 po).<\/p>\n<p>Le panneau isolant est habituellement pos\u00e9 sans attaches sur la membrane et la feuille de s\u00e9paration. L\u2019isolant thermique doit \u00eatre install\u00e9 de fa\u00e7on \u00e0 \u00e9tager les joints d\u2019extr\u00e9mit\u00e9 des panneaux d\u2019au moins 150 mm (6 po) et \u00e0 les abouter serr\u00e9s les uns contre les autres. Bien ajuster l\u2019isolant \u00e0 toutes les projections afin de r\u00e9duire le plus possible la perte de chaleur. \u00c9viter d\u2019utiliser des couches multiples d\u2019isolant, mais, si c\u2019est absolument n\u00e9cessaire, les joints de la couche pr\u00e9c\u00e9dente doivent \u00eatre chevauch\u00e9s sur au moins 150 mm (6 po) par les panneaux de la couche suivante.<\/p>\n<p>Si on a besoin de plus de 100 mm (4 po) d\u2019isolant, utiliser un panneau de 100 mm (4 po) pour la premi\u00e8re couche et poser les couches suivantes sans attaches, avec les joints de la couche pr\u00e9c\u00e9dente recouverts d\u2019au moins 150 mm (6 po) par les panneaux de la couche sup\u00e9rieure, aux extr\u00e9mit\u00e9s aussi bien que sur les c\u00f4t\u00e9s.<\/p>\n","protected":false},"featured_media":0,"parent":8925,"menu_order":3,"comment_status":"open","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-8949","docs","type-docs","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>6.3 Isolant - Canadian Roofing Contractors Association<\/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:\/\/roofingcanada.com\/fr\/docs\/manuel-de-reference-sur-les-couvertures-au-canada\/chapitre-6-couvertures-caoutchoutees-appliquees-a-chaud\/6-3-isolant\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"6.3 Isolant - Canadian Roofing Contractors Association\" \/>\n<meta property=\"og:description\" content=\"Comme indiqu\u00e9 pr\u00e9c\u00e9demment, une membrane en asphalte caoutchout\u00e9 appliqu\u00e9e \u00e0 chaud est toujours install\u00e9e dans le cadre d\u2019un syst\u00e8me de toiture \u00e0 membrane prot\u00e9g\u00e9e. L\u2019isolation en polystyr\u00e8ne extrud\u00e9 est le seul type d\u2019isolant thermique pouvant \u00eatre utilis\u00e9 avec une membrane caoutchout\u00e9e appliqu\u00e9e \u00e0 chaud. Cet isolant est le seul qui convienne \u00e0 une exposition ext\u00e9rieure,... 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L\u2019isolation en polystyr\u00e8ne extrud\u00e9 est le seul type d\u2019isolant thermique pouvant \u00eatre utilis\u00e9 avec une membrane caoutchout\u00e9e appliqu\u00e9e \u00e0 chaud. Cet isolant est le seul qui convienne \u00e0 une exposition ext\u00e9rieure,... 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