{"id":2152,"date":"2024-05-10T19:37:42","date_gmt":"2024-05-10T17:37:42","guid":{"rendered":"https:\/\/www.fixolite.eu\/?p=2152"},"modified":"2025-09-03T13:29:48","modified_gmt":"2025-09-03T11:29:48","slug":"maison-passive-quelle-epaisseur-disolation","status":"publish","type":"post","link":"https:\/\/fixolite.eu\/pt\/casa-passiva-qual-deve-ser-a-espessura-do-isolamento\/","title":{"rendered":"Casa passiva: qual deve ser a espessura do isolamento?"},"content":{"rendered":"<p>Para atingir uma resist\u00eancia t\u00e9rmica de 6,5 m\u00b2-K\/W nas paredes (casa passiva), podem ser utilizadas diferentes espessuras de materiais isolantes, dependendo do seu coeficiente de condutividade t\u00e9rmica (\u03bb). Seguem-se alguns exemplos de materiais isolantes normalmente utilizados na constru\u00e7\u00e3o e as espessuras necess\u00e1rias para atingir este valor de resist\u00eancia t\u00e9rmica.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Material<\/th><th>Lambda \u03bb (W\/m-K)<\/th><th>Espessura (cm)<\/th><\/tr><\/thead><tbody><tr><td>Espuma de poliuretano<\/td><td>0.025<\/td><td>16<\/td><\/tr><tr><td>Poliestireno expandido (EPS) de grafite<\/td><td>0.030<\/td><td>20<\/td><\/tr><tr><td>L\u00e3 de vidro<\/td><td>0.035<\/td><td>23<\/td><\/tr><tr><td>L\u00e3 de rocha<\/td><td>0.035<\/td><td>23<\/td><\/tr><tr><td>Poliestireno expandido (EPS)<\/td><td>0.038<\/td><td>25<\/td><\/tr><tr><td>C\u00e2nhamo<\/td><td>0.040<\/td><td>26<\/td><\/tr><tr><td>Celulose<\/td><td>0.040<\/td><td>26<\/td><\/tr><tr><td>Poliestireno extrudido (XPS)<\/td><td>0.042<\/td><td>27<\/td><\/tr><tr><td>Palha<\/td><td>0.120<\/td><td>78<\/td><\/tr><tr><td>Cimento-madeira<\/td><td>0.160<\/td><td>104<\/td><\/tr><tr><td>Bet\u00e3o celular<\/td><td>0.200<\/td><td>130<\/td><\/tr><tr><td>Bet\u00e3o maci\u00e7o<\/td><td>2.000<\/td><td>1 300<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Para atingir uma resist\u00eancia t\u00e9rmica de 6,5 m\u00b2-K\/W nas paredes (casa passiva), podem ser utilizadas diferentes espessuras de materiais isolantes, dependendo do seu coeficiente de condutividade t\u00e9rmica (\u03bb). Seguem-se alguns exemplos de materiais isolantes normalmente utilizados na constru\u00e7\u00e3o e as espessuras necess\u00e1rias para atingir este valor de resist\u00eancia t\u00e9rmica. Material Lambda \u03bb (W\/m-K) Espessura [...]<\/p>","protected":false},"author":1,"featured_media":2153,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blocs-de-construction"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.3 (Yoast SEO v24.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Maison passive : quelle \u00e9paisseur d&#039;isolation ? - FIXOLITE<\/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:\/\/ecobloc.fr\/pt\/casa-passiva-qual-deve-ser-a-espessura-do-isolamento\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maison passive : quelle \u00e9paisseur d&#039;isolation ?\" \/>\n<meta property=\"og:description\" content=\"Pour atteindre une r\u00e9sistance thermique de 6,5 m\u00b2\u00b7K\/W dans les murs (maison passive), diff\u00e9rentes \u00e9paisseurs de mat\u00e9riaux isolants peuvent \u00eatre utilis\u00e9es selon leur coefficient de conductivit\u00e9 thermique (\u03bb). Voici quelques exemples de mat\u00e9riaux isolants couramment utilis\u00e9s dans la construction et les \u00e9paisseurs n\u00e9cessaires pour atteindre cette valeur de r\u00e9sistance thermique. 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