{"id":109407,"date":"2023-10-24T14:42:40","date_gmt":"2023-10-24T12:42:40","guid":{"rendered":"https:\/\/batijournal.com\/?p=109407"},"modified":"2023-10-24T14:42:40","modified_gmt":"2023-10-24T12:42:40","slug":"isolants-polyurethanes-une-etude-du-snpu-montre-leurs-avantages","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/isolants-polyurethanes-une-etude-du-snpu-montre-leurs-avantages\/109407\/","title":{"rendered":"Isolants polyur\u00e9thanes : une \u00e9tude du SNPU montre leurs avantages"},"content":{"rendered":"<p>Le Syndicat National des Polyur\u00e9thanes (SNPU) a mandat\u00e9 le cabinet Bastide &#8211; Bondoux\u00ae pour r\u00e9aliser la mise \u00e0 jour* de l\u2019\u00e9tude \u00abSimulation comparative RE2020 entre isolants thermiques\u00bb afin d\u2019\u00e9valuer l\u2019impact environnemental et le positionnement des panneaux d\u2019isolation en polyur\u00e9thane (PU) dans le cadre de la RE2020. Cette nouvelle \u00e9tude r\u00e9v\u00e8le le r\u00f4le d\u00e9terminant que joue la faible \u00e9paisseur du panneau polyur\u00e9thane. Elle le positionne comme le meilleur choix combinant apports \u00e9nerg\u00e9tiques et faible poids carbone. Pour les projets simul\u00e9s, l\u2019impact carbone du panneau en polyur\u00e9thane repr\u00e9sente 2 % des \u00e9missions de CO2 de la totalit\u00e9 des \u00e9missions des mat\u00e9riaux, des \u00e9quipements et du chantier soit 15 kg par m2 pour le cas b\u00e2timent collectifs, 6 % des \u00e9missions de CO2 de la totalit\u00e9 des \u00e9missions des mat\u00e9riaux, des \u00e9quipements et du &#8211; chantier, soit 36 kg par m2, pour le cas maison individuelle. Le panneau polyur\u00e9thane permet de gagner en espace, en comparaison aux autres isolants test\u00e9s 2,6 % de surface gagn\u00e9e en collectif, ce sont 51 m2 gagn\u00e9s sur l\u2019ensemble du programme, soit l\u2019\u00e9quivalent d\u2019un logement type T2, 5 % de surface gagn\u00e9e en maison individuelle, soit 5 \u00e0 6 m2, l\u2019\u00e9quivalent d\u2019une pi\u00e8ce de service. Les simulations ont \u00e9t\u00e9 effectu\u00e9es sur un b\u00e2timent de 31 logements collectifs en R+3 (SHAB = 1 989 m2) et sur une maison individuelle en rez-de-chauss\u00e9e + \u00e9tage avec combles am\u00e9nag\u00e9s (SHAB = 108 m2). Ils ont \u00e9t\u00e9 effectu\u00e9s avec plusieurs choix d\u2019isolation : des mat\u00e9riaux diff\u00e9rents et des \u00e9paisseurs adapt\u00e9es aux diff\u00e9rents cas d\u2019emplois. L\u2019id\u00e9e \u00e9tant de comparer des isolants entrant dans des proc\u00e9d\u00e9s de \u00ab technique courante \u00bb. Disposant donc d\u2019un Avis Technique ou conformes \u00e0 des DTU, leur mise en \u0153uvre est assurable en d\u00e9cennale.\u00a0Par exemple, pour le panneau PU en mur ou en sol : 80 mm d\u2019\u00e9paisseur, en toiture-terrasse : 140 mm. Afin d\u2019\u00e9laborer un comparatif pr\u00e9cis et \u00e9quitable, l\u2019\u00e9paisseur des isolants a \u00e9t\u00e9 d\u00e9finie sur le r\u00e9f\u00e9rentiel d\u2019un R \u00e9quivalent et conforme au seuil exig\u00e9 par la RE 2020.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Syndicat National des Polyur\u00e9thanes (SNPU) a mandat\u00e9 le cabinet Bastide &#8211; Bondoux\u00ae pour r\u00e9aliser la mise \u00e0 jour* de l\u2019\u00e9tude \u00abSimulation comparative RE2020 entre isolants thermiques\u00bb afin d\u2019\u00e9valuer l\u2019impact environnemental et le positionnement des panneaux d\u2019isolation en polyur\u00e9thane (PU) dans le cadre de la RE2020. Cette nouvelle \u00e9tude r\u00e9v\u00e8le le r\u00f4le d\u00e9terminant que joue [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":109408,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10530,6351,10781,10778],"tags":[146,13184],"class_list":["post-109407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-energie-environnement","category-publications-planete","category-planete","tag-isolant","tag-pol"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Isolants polyur\u00e9thanes : une \u00e9tude du SNPU montre leurs avantages<\/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\/isolants-polyurethanes-une-etude-du-snpu-montre-leurs-avantages\/109407\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Isolants polyur\u00e9thanes : une \u00e9tude du SNPU montre leurs avantages\" \/>\n<meta property=\"og:description\" content=\"Le Syndicat National des Polyur\u00e9thanes (SNPU) a mandat\u00e9 le cabinet Bastide &#8211; Bondoux\u00ae pour r\u00e9aliser la mise \u00e0 jour* de l\u2019\u00e9tude \u00abSimulation comparative RE2020 entre isolants thermiques\u00bb afin d\u2019\u00e9valuer l\u2019impact environnemental et le positionnement des panneaux d\u2019isolation en polyur\u00e9thane (PU) dans le cadre de la RE2020. 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