{"id":82788,"date":"2012-07-16T00:00:00","date_gmt":"2012-07-15T22:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/etancheite-membrane-de-controle-de-la-vapeur-deau\/82788"},"modified":"2019-07-15T12:36:52","modified_gmt":"2019-07-15T10:36:52","slug":"etancheite-membrane-de-controle-de-la-vapeur-deau","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/etancheite-membrane-de-controle-de-la-vapeur-deau\/82788\/","title":{"rendered":"Etanch\u00e9it\u00e9 : membrane de contr\u00f4le de la vapeur d&rsquo;eau"},"content":{"rendered":"<p>DuPont AirGuard Smart, membrane de contr\u00f4le vapeur compl\u00e9tant la gamme actuelle de produits AirGuard pour les applications en toits et murs, accro\u00eet l&rsquo;efficacit\u00e9 thermique de l&rsquo;enveloppe du b\u00e2timent. Cette membrane poss\u00e8de une haute capacit\u00e9 d&rsquo;adaptation aux changements de niveaux d&rsquo;humidit\u00e9 gr\u00e2ce \u00e0 une r\u00e9sistance \u00e0 la vapeur tr\u00e8s large (valeur de transmission de vapeur de 0,26 MNs\/g \u00e0 plus de 150 MNs\/g) : elle minimise ou augmente le taux de transmission de vapeur d&rsquo;eau, selon les besoins. Une seule couche combine une fonction s\u00e9chante et une fonction de contr\u00f4le de vapeur. Herm\u00e9tique et novatrice, elle a \u00e9t\u00e9 d\u00e9velopp\u00e9e pour les nouvelles constructions et les projets de r\u00e9novation, notamment la restauration des toits par l&rsquo;ext\u00e9rieur, et assure une protection maximale contre les dommages structurels. En \u00e9t\u00e9, quand l&rsquo;humidit\u00e9 relative de l&rsquo;air ambiant est importante (&gt; 50 %), la temp\u00e9rature ext\u00e9rieure est plus \u00e9lev\u00e9e qu&rsquo;\u00e0 l&rsquo;int\u00e9rieur, aussi la r\u00e9sistance \u00e0 la vapeur d&rsquo;eau de DuPont AirGuard Smart est basse, et la vapeur d&rsquo;eau peut, si n\u00e9cessaire, migrer \u00e0 l&rsquo;int\u00e9rieur pour que l&rsquo;isolation et la construction puissent s\u00e9cher. En hiver, l&rsquo;humidit\u00e9 relative de l&rsquo;air ambiant est beaucoup plus basse avec une temp\u00e9rature ext\u00e9rieure plus basse qu&rsquo;\u00e0 l&rsquo;int\u00e9rieur. Dans ce cas, la r\u00e9sistance \u00e0 la vapeur d&rsquo;eau de la membrane est \u00e9lev\u00e9e et aide \u00e0 bloquer la diffusion de vapeur d&rsquo;eau, ainsi moins d&rsquo;humidit\u00e9 peut infiltrer l&rsquo;isolation et la construction.\u000b\u000b<a href=\"http:\/\/www.construction.tyvek.fr\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-family: Arial, Helvetica, sans-serif; font-size: small;\">www.construction.tyvek.fr<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DuPont AirGuard Smart, membrane de contr\u00f4le vapeur compl\u00e9tant la gamme actuelle de produits AirGuard pour les applications en toits et murs, accro\u00eet l&rsquo;efficacit\u00e9 thermique de l&rsquo;enveloppe du b\u00e2timent. Cette membrane poss\u00e8de une haute capacit\u00e9 d&rsquo;adaptation aux changements de niveaux d&rsquo;humidit\u00e9 gr\u00e2ce \u00e0 une r\u00e9sistance \u00e0 la vapeur tr\u00e8s large (valeur de transmission de vapeur de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":82789,"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":[6356],"tags":[53,10042],"class_list":["post-82788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-produits-solutions-techniques","tag-construction","tag-tyvek"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Etanch\u00e9it\u00e9 : membrane de contr\u00f4le de la vapeur d&#039;eau<\/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\/etancheite-membrane-de-controle-de-la-vapeur-deau\/82788\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Etanch\u00e9it\u00e9 : membrane de contr\u00f4le de la vapeur d&#039;eau\" \/>\n<meta property=\"og:description\" content=\"DuPont AirGuard Smart, membrane de contr\u00f4le vapeur compl\u00e9tant la gamme actuelle de produits AirGuard pour les applications en toits et murs, accro\u00eet l&rsquo;efficacit\u00e9 thermique de l&rsquo;enveloppe du b\u00e2timent. Cette membrane poss\u00e8de une haute capacit\u00e9 d&rsquo;adaptation aux changements de niveaux d&rsquo;humidit\u00e9 gr\u00e2ce \u00e0 une r\u00e9sistance \u00e0 la vapeur tr\u00e8s large (valeur de transmission de vapeur de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/batijournal.com\/index.php\/etancheite-membrane-de-controle-de-la-vapeur-deau\/82788\/\" \/>\n<meta property=\"og:site_name\" content=\"Batijournal\" \/>\n<meta property=\"article:published_time\" content=\"2012-07-15T22:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-07-15T10:36:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/03\/48236971.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"568\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bati-journal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:site\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bati-journal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/etancheite-membrane-de-controle-de-la-vapeur-deau\\\/82788\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/etancheite-membrane-de-controle-de-la-vapeur-deau\\\/82788\\\/\"},\"author\":{\"name\":\"Bati-journal\",\"@id\":\"https:\\\/\\\/batijournal.com\\\/#\\\/schema\\\/person\\\/6a657e8967569e1b299972574848aa76\"},\"headline\":\"Etanch\u00e9it\u00e9 : membrane de contr\u00f4le de la vapeur d&rsquo;eau\",\"datePublished\":\"2012-07-15T22:00:00+00:00\",\"dateModified\":\"2019-07-15T10:36:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/etancheite-membrane-de-controle-de-la-vapeur-deau\\\/82788\\\/\"},\"wordCount\":279,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/batijournal.com\\\/index.php\\\/etancheite-membrane-de-controle-de-la-vapeur-deau\\\/82788\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/batijournal.com\\\/wp-content\\\/uploads\\\/2015\\\/03\\\/48236971.jpg\",\"keywords\":[\"construction\",\"tyvek\"],\"articleSection\":[\"Produits &amp; 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