{"id":30735,"date":"2019-06-04T14:54:23","date_gmt":"2019-06-04T12:54:23","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/infos-conseils\/notions-de-physique-de-la-construction\/constructions-ventilees\/"},"modified":"2019-06-04T14:54:23","modified_gmt":"2019-06-04T12:54:23","slug":"constructions-ventilees","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/","title":{"rendered":"Constructions ventil\u00e9es"},"content":{"rendered":"<h2>\n\tConstruction ventil&eacute;e non isol&eacute;e<\/h2>\n<p>\n\tOn trouve encore des toits (et fa&ccedil;ades) non isol&eacute;s dans les entrep&ocirc;ts, magasins, etc., dans d&rsquo;anciens b&acirc;timents comme les &eacute;glises ainsi que dans les b&acirc;timents dont le plancher du grenier est isol&eacute;.<\/p>\n<p>\n\tLa construction d&rsquo;un toit non isol&eacute; se d&eacute;roule en principe comme suit. de l&rsquo;int&eacute;rieur vers l&rsquo;ext&eacute;rieur : chevrons porteurs, voligeage de la toiture\/fa&ccedil;ade (&eacute;l&eacute;ments en bois non rabot&eacute; d&rsquo;au moins 23 mm d&rsquo;&eacute;paisseur, non rainur&eacute;s, non crant&eacute;s et plac&eacute;s avec des joints d&rsquo;au moins 5 mm). Les raccords entre les liteaux peuvent &ecirc;tre augment&eacute;s en fonction de l&rsquo;inclinaison du toit. Rev&ecirc;tement de toiture ou de fa&ccedil;ade en zinc ayant la forme du type de couverture choisi.<\/p>\n<h2>\n\tConstruction ventil&eacute;e isol&eacute;e<\/h2>\n<p>\n\tLa construction d&rsquo;un toit ou d&rsquo;une fa&ccedil;ade isol&eacute;(e) est en<br \/>\n\tprincipe structur&eacute;e comme suit (voir croquis ci-dessous) de<br \/>\n\tl&rsquo;int&eacute;rieur vers l&rsquo;ext&eacute;rieur :<\/p>\n<ol>\n<li>\n\t\tPlafond au choix, mais dont le type doit pouvoir supporter le mat&eacute;riau isolant<\/li>\n<li>\n\t\tPare-vapeur en film m&eacute;tallique ou synth&eacute;tique<\/li>\n<li>\n\t\tchevrons porteurs, toujours verticaux de la rive au fa&icirc;te, g&eacute;n&eacute;ralement r&eacute;alis&eacute;s en bois<\/li>\n<li>\n\t\tPanneaux, nattes ou mousse d&rsquo;isolation entre les chevrons ou, mieux, en continu sous les chevrons. une construction adapt&eacute;e est cependant n&eacute;cessaire ici. L&rsquo;&eacute;paisseur de la couche isolante d&eacute;pend du mat&eacute;riau et du coefficient de l&rsquo;isolation choisie<\/li>\n<li>\n\t\tLame d&rsquo;air de ventilation dont l&rsquo;&eacute;paisseur d&eacute;pend de la pente du toit (voir tableau)<\/li>\n<li>\n\t\tVoligeage. Pour une couverture en zinc au titane, le voligeage doit se composer d&rsquo;&eacute;l&eacute;ments en bois non rabot&eacute;s, non rainur&eacute;s ni crant&eacute;s, pos&eacute;s horizontalement avec des joints d&rsquo;au moins 5 mm. Les raccords entre les liteaux peuvent &ecirc;tre augment&eacute;s en fonction de l&rsquo;inclinaison du toitLes &eacute;l&eacute;ments en bois doivent &ecirc;tre mont&eacute;s de mani&egrave;re &agrave; permettre la fixation des pattes aux endroits voulus. Les t&ecirc;tes des clous doivent &ecirc;tre suffisamment enfonc&eacute;es pour &eacute;viter tout contact avec le zinc au titane. Fixation avec des clous galvanis&eacute;s pr&eacute;sentant une couche de zinc d&rsquo;au moins 20 microns ou avec des clous en inox AiSi 304<\/p>\n<ul>\n<li>\n\t\t\t\tinclinaison jusqu&rsquo;&agrave; 45&ordm; 5 &ndash; 10 mm<\/li>\n<li>\n\t\t\t\tinclinaison entre 45&ordm; et 70&ordm; 5 &ndash; 50 mm<\/li>\n<li>\n\t\t\t\tinclinaison entre 70&ordm; et 90&ordm; 5 &ndash; 100 mm<\/li>\n<\/ul>\n<\/li>\n<li>\n\t\tCouverture de toiture ou de fa&ccedil;ade du type choisi.<\/li>\n<\/ol>\n<p>\n\t<img decoding=\"async\" alt=\"\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/figure4-1.png\" style=\"width: 407px; height: 437px;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Construction ventil&eacute;e non isol&eacute;e On trouve encore des toits (et fa&ccedil;ades) non isol&eacute;s dans les entrep&ocirc;ts, magasins, etc., dans d&rsquo;anciens b&acirc;timents comme les &eacute;glises ainsi que dans les b&acirc;timents dont le plancher du grenier est isol&eacute;. La construction d&rsquo;un toit non isol&eacute; se d&eacute;roule en principe comme suit. de l&rsquo;int&eacute;rieur vers l&rsquo;ext&eacute;rieur : chevrons porteurs, [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":680,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-30735","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Constructions ventil\u00e9es \u2013 NedZink<\/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:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Constructions ventil\u00e9es \u2013 NedZink\" \/>\n<meta property=\"og:description\" content=\"Construction ventil&eacute;e non isol&eacute;e On trouve encore des toits (et fa&ccedil;ades) non isol&eacute;s dans les entrep&ocirc;ts, magasins, etc., dans d&rsquo;anciens b&acirc;timents comme les &eacute;glises ainsi que dans les b&acirc;timents dont le plancher du grenier est isol&eacute;. La construction d&rsquo;un toit non isol&eacute; se d&eacute;roule en principe comme suit. de l&rsquo;int&eacute;rieur vers l&rsquo;ext&eacute;rieur : chevrons porteurs, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/\" \/>\n<meta property=\"og:site_name\" content=\"NedZink\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/figure4-1.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture est.\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/\",\"url\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/\",\"name\":\"Constructions ventil\u00e9es \u2013 NedZink\",\"isPartOf\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/figure4-1.png\",\"datePublished\":\"2019-06-04T12:54:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/#breadcrumb\"},\"inLanguage\":\"fr-BE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-BE\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/#primaryimage\",\"url\":\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/figure4-1.png\",\"contentUrl\":\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/figure4-1.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.nedzink.com\/fr-be\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Constructions ventil\u00e9es\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#website\",\"url\":\"https:\/\/www.nedzink.com\/fr-be\/\",\"name\":\"NedZink\",\"description\":\"Zink fabrikant\",\"publisher\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.nedzink.com\/fr-be\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-BE\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#organization\",\"name\":\"NedZink\",\"url\":\"https:\/\/www.nedzink.com\/fr-be\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-BE\",\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/08\/logo-nedzink_fc_zk.jpg\",\"contentUrl\":\"https:\/\/www.nedzink.com\/wp-content\/uploads\/2019\/08\/logo-nedzink_fc_zk.jpg\",\"width\":2160,\"height\":688,\"caption\":\"NedZink\"},\"image\":{\"@id\":\"https:\/\/www.nedzink.com\/fr-be\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Constructions ventil\u00e9es \u2013 NedZink","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.nedzink.com\/fr-be\/constructions-ventilees\/","og_locale":"fr_FR","og_type":"article","og_title":"Constructions ventil\u00e9es \u2013 NedZink","og_description":"Construction ventil&eacute;e non isol&eacute;e On trouve encore des toits (et fa&ccedil;ades) non isol&eacute;s dans les entrep&ocirc;ts, magasins, etc., dans d&rsquo;anciens b&acirc;timents comme les &eacute;glises ainsi que dans les b&acirc;timents dont le plancher du grenier est isol&eacute;. 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