{"id":74064,"date":"2009-07-23T00:00:00","date_gmt":"2009-07-22T22:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/les-isolants-thermiques\/74064"},"modified":"2019-07-15T12:21:12","modified_gmt":"2019-07-15T10:21:12","slug":"les-isolants-thermiques","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/les-isolants-thermiques\/74064\/","title":{"rendered":"Les isolants thermiques"},"content":{"rendered":"<p>Le choix de l&rsquo;isolant thermique est \u00e9galement multiple, mais, certes, moins diversifi\u00e9. Les principaux \u00e9tant les laines min\u00e9rales, de roche ou de verre, et la mousse polyur\u00e9thane. Gilles Fr\u00e9nois pr\u00e9cise qu&rsquo;il n&rsquo;y a aucune relation entre le choix de l&rsquo;isolant et celui du parement car ils ont deux fonctions diff\u00e9rentes. Gilles Guyoton, chef de march\u00e9 chez Rockwool, ne jure logiquement que par la laine de roche dont les performances acoustique, thermique d&rsquo;hiver et d&rsquo;\u00e9t\u00e9 (gr\u00e2ce \u00e0 sa densit\u00e9), feu et environnementale justifient, selon lui, leur cr\u00e9neau monoproduit. \u0094M\u00eame si la RT\u00a02010 durcit les exigences, nos solutions Rockbardage et Rockfa\u00e7ade ou, pour une structure l\u00e9g\u00e8re, Rockwool\u00a0431 pour mur b\u00e9ton, par exemple, ont encore de la marge.\u0094 Nicolas Crantelle a, lui, plus l&rsquo;habitude de travailler avec de la laine de verre dont il appr\u00e9cie les panneaux plus l\u00e9gers et moins rigides que ceux de laine de roche. \u0094D&rsquo;autant que la laine de verre \u00e9tant non hydrophile, il suffit, par temps de pluie, d&rsquo;attendre 48\u00a0heures qu&rsquo;elle ait d\u00e9gorg\u00e9. En principe, on plaque nos panneaux Trespa au fur et \u00e0 mesure en cas de temps mena\u00e7ant.\u0094 Cl\u00e9ment Benhamou, de Retiwood, serait, lui, plut\u00f4t favorable \u00e0 la laine de chanvre et \u00e0 l&rsquo;isolant r\u00e9flecteur mince thermoactif. \u0094Le probl\u00e8me avec les isolants min\u00e9raux est qu&rsquo;ils sont compos\u00e9s de fibres tr\u00e8s fines qui, si la coh\u00e9rence de l&rsquo;isolant se d\u00e9grade un jour, se retrouvent dans l&rsquo;air. Mais, \u00e0 choisir, la laine de roche est moins toxique que la laine de verre.\u0094 Bref, \u00e0 chacun sa pr\u00e9f\u00e9rence. Le fait que l&rsquo;isolant soit d\u00e9j\u00e0 pos\u00e9 sur les murs ext\u00e9rieurs de la maison permet d&#8217;embl\u00e9e de diminuer de moiti\u00e9 les pertes d&rsquo;\u00e9nergie. Et pour que cette tendance quasiment omnipr\u00e9sente chez nos voisins allemands ou suisses, entre autres, se g\u00e9n\u00e9ralise en France, la formation devra jouer un r\u00f4le pr\u00e9pond\u00e9rant. Sans elle, on ne pourra pas passer de 95\u00a0% d&rsquo;isolation int\u00e9rieure \u00e0 95\u00a0% d&rsquo;ITE. Gilles Fr\u00e9nois en est \u00e9galement convaincu. D&rsquo;ailleurs, \u00ab\u00a0un vrai centre de formation agr\u00e9\u00e9 est \u00e0 l&rsquo;\u00e9tude cette ann\u00e9e, lequel verra certainement le jour en 2009\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le choix de l&rsquo;isolant thermique est \u00e9galement multiple, mais, certes, moins diversifi\u00e9. Les principaux \u00e9tant les laines min\u00e9rales, de roche ou de verre, et la mousse polyur\u00e9thane. Gilles Fr\u00e9nois pr\u00e9cise qu&rsquo;il n&rsquo;y a aucune relation entre le choix de l&rsquo;isolant et celui du parement car ils ont deux fonctions diff\u00e9rentes. Gilles Guyoton, chef de march\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":74065,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6351],"tags":[7171],"class_list":["post-74064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie-environnement","tag-isolation-thermique-isolation-thermique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les isolants thermiques<\/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:\/\/batijournal.com\/index.php\/les-isolants-thermiques\/74064\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les isolants thermiques\" \/>\n<meta property=\"og:description\" content=\"Le choix de l&rsquo;isolant thermique est \u00e9galement multiple, mais, certes, moins diversifi\u00e9. 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