{"id":70713,"date":"2007-11-26T00:00:00","date_gmt":"2007-11-25T23:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/exigences-disolation-thermique-pour-les-fenetres-en-renovation\/70713"},"modified":"2019-07-15T12:09:27","modified_gmt":"2019-07-15T10:09:27","slug":"exigences-disolation-thermique-pour-les-fenetres-en-renovation","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/exigences-disolation-thermique-pour-les-fenetres-en-renovation\/70713\/","title":{"rendered":"Exigences d&rsquo;isolation thermique pour les fen\u00eatres en r\u00e9novation"},"content":{"rendered":"<p>A partir du 31 mars 2008, en cas de r\u00e9novation d&rsquo;un co\u00fbt sup\u00e9rieur \u00e0 25 % de la valeur du b\u00e2timent, sa performance \u00e9nerg\u00e9tique devra \u00eatre am\u00e9lior\u00e9e en limitant la consommation en dessous de seuils fix\u00e9s, ou en appliquant des solutions techniques adapt\u00e9es. Pour toutes les autres r\u00e9novations, les r\u00e8gles sont fix\u00e9es par l&rsquo;article R131-28 et l&rsquo;arr\u00eat\u00e9 du 3 mai 2007. Ainsi, \u00e0 partir du 31 octobre 2007 (date d&rsquo;acceptation des devis ou passation des march\u00e9s ou, \u00e0 d\u00e9faut, date d&rsquo;acquisition), le coefficient de transmission thermique Uw des fen\u00eatres, portes-fen\u00eatres et fa\u00e7ades-rideaux install\u00e9es ou remplac\u00e9es doit \u00eatre tel que Uw &lt; 2,3 W\/(m2.K) ou Uw &lt; 2,6 W\/(m2.K) pour les coulissants. Lorsque la fen\u00eatre, porte-fen\u00eatre ou fa\u00e7ade-rideau poss\u00e8de une fermeture (volets), on peut prendre en compte la r\u00e9sistance thermique additionnelle de cette fermeture en calculant le coefficient thermique Ujn de l&rsquo;ensemble. Dans tous les cas, le coefficient thermique Ug du vitrage doit \u00eatre inf\u00e9rieur \u00e0 2 W\/(m2.K). Les vitrages utilis\u00e9s doivent donc \u00eatre peu \u00e9missifs et, si n\u00e9cessaire, avec lame de gaz rare (argon, krypton). Des d\u00e9rogations sont n\u00e9anmoins possibles pour les monuments historiques, les sites class\u00e9s, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A partir du 31 mars 2008, en cas de r\u00e9novation d&rsquo;un co\u00fbt sup\u00e9rieur \u00e0 25 % de la valeur du b\u00e2timent, sa performance \u00e9nerg\u00e9tique devra \u00eatre am\u00e9lior\u00e9e en limitant la consommation en dessous de seuils fix\u00e9s, ou en appliquant des solutions techniques adapt\u00e9es. Pour toutes les autres r\u00e9novations, les r\u00e8gles sont fix\u00e9es par l&rsquo;article R131-28 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":[6345],"tags":[427,644,6015],"class_list":["post-70713","post","type-post","status-publish","format-standard","hentry","category-economie-marches","tag-fenetre","tag-isolation-thermique-2","tag-renovation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Exigences d&#039;isolation thermique pour les fen\u00eatres en r\u00e9novation<\/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\/exigences-disolation-thermique-pour-les-fenetres-en-renovation\/70713\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exigences d&#039;isolation thermique pour les fen\u00eatres en r\u00e9novation\" \/>\n<meta property=\"og:description\" content=\"A partir du 31 mars 2008, en cas de r\u00e9novation d&rsquo;un co\u00fbt sup\u00e9rieur \u00e0 25 % de la valeur du b\u00e2timent, sa performance \u00e9nerg\u00e9tique devra \u00eatre am\u00e9lior\u00e9e en limitant la consommation en dessous de seuils fix\u00e9s, ou en appliquant des solutions techniques adapt\u00e9es. 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