{"id":31034,"date":"2019-06-04T14:56:04","date_gmt":"2019-06-04T12:56:04","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/infos-conseils\/accessoires-de-toitures\/faitages\/"},"modified":"2021-02-08T11:53:14","modified_gmt":"2021-02-08T10:53:14","slug":"faitages","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/fr\/faitages\/","title":{"rendered":"Fa\u00eetages"},"content":{"rendered":"

La qualit\u00e9 et la dur\u00e9e d\u2019un rev\u00eatement de toit en zinc-titane d\u00e9pendent avant tout de la construction et de l\u2019ex\u00e9cution du fa\u00eetage, puis du rev\u00eatement en zinc-titane. Sur les toitures isol\u00e9es, les constructions a\u00e9r\u00e9es sont celles qui garantissent une dur\u00e9e de vie optimale du rev\u00eatement de toit. Si la construction a \u00e9t\u00e9 correctement ex\u00e9cut\u00e9e, il est pratiquement exclu que le rev\u00eatement de toit soit attaqu\u00e9 de l\u2019int\u00e9rieur suite \u00e0 la formation de condensation.<\/p>\n

Construction ventil\u00e9e isol\u00e9e<\/h2>\n

La construction d\u2019un toit ou d\u2019une fa\u00e7ade isol\u00e9(e) est en
\nprincipe structur\u00e9e comme suit (voir croquis ci-dessous) de
\nl\u2019int\u00e9rieur vers l\u2019ext\u00e9rieur :<\/p>\n

    \n
  1. Plafond au choix, mais dont le type doit pouvoir supporter le mat\u00e9riau isolant<\/li>\n
  2. Pare-vapeur en film m\u00e9tallique ou synth\u00e9tique<\/li>\n
  3. chevrons porteurs, toujours verticaux de la rive au fa\u00eete, g\u00e9n\u00e9ralement r\u00e9alis\u00e9s en bois<\/li>\n
  4. Panneaux, nattes ou mousse d\u2019isolation entre les chevrons ou, mieux, en continu sous les chevrons. une construction adapt\u00e9e est cependant n\u00e9cessaire ici. L\u2019\u00e9paisseur de la couche isolante d\u00e9pend du mat\u00e9riau et du coefficient de l\u2019isolation choisie<\/li>\n
  5. Lame d\u2019air de ventilation dont l\u2019\u00e9paisseur d\u00e9pend de la pente du toit (voir tableau)<\/li>\n
  6. Voligeage. Pour une couverture en zinc au titane, le voligeage doit se composer d\u2019\u00e9l\u00e9ments en bois non rabot\u00e9s, non rainur\u00e9s ni crant\u00e9s, pos\u00e9s horizontalement avec des joints d\u2019au moins 5 mm. Les raccords entre les liteaux peuvent \u00eatre augment\u00e9s en fonction de l\u2019inclinaison du toitLes \u00e9l\u00e9ments en bois doivent \u00eatre mont\u00e9s de mani\u00e8re \u00e0 permettre la fixation des pattes aux endroits voulus. Les t\u00eates des clous doivent \u00eatre suffisamment enfonc\u00e9es pour \u00e9viter tout contact avec le zinc au titane. Fixation avec des clous galvanis\u00e9s pr\u00e9sentant une couche de zinc d\u2019au moins 20 microns ou avec des clous en inox AiSi 304\n
      \n
    • inclinaison jusqu\u2019\u00e0 45\u00ba 5 \u2013 10 mm<\/li>\n
    • inclinaison entre 45\u00ba et 70\u00ba 5 \u2013 50 mm<\/li>\n
    • inclinaison entre 70\u00ba et 90\u00ba 5 \u2013 100 mm<\/li>\n<\/ul>\n<\/li>\n
    • Couverture de toiture ou de fa\u00e7ade du type choisi.<\/li>\n<\/ol>\n

      \"\"<\/p>\n

      Lame d\u2019air de ventilation<\/h2>\n

      Elle doit \u00eatre mise en contact avec l\u2019air ext\u00e9rieur par des ouvertures suffisantes, dans le bas comme dans dans le haut de la fa\u00e7ade ou de la toiture. L\u2019air doit pouvoir circuler librement entre les ou\u00efes d\u2019a\u00e9ration du bas et du haut (sans le moindre obstacle).
      \nLes dimensions pr\u00e9conis\u00e9es des ou\u00efes d\u2019a\u00e9ration sont fournies dans le tableau suivant.<\/p>\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
      inclinaison du toit<\/strong><\/td>\n\u00e9paisseur minimum du vide<\/strong><\/td>\nsection min. des ou\u00efes d\u2019a\u00e9ration sup\u00e9rieures et inf\u00e9rieures par m\u00b2 de surface de toiture\u00a0<\/strong><\/td>\n<\/tr>\n
      <\/td>\n<\/td>\n<\/td>\n<\/tr>\n
      3\u00b0 to 20\u00b0 (*)<\/td>\n\u00a080 mm<\/td>\n40 cm2<\/td>\n<\/tr>\n
      > 20\u00b0<\/td>\n\u00a050 mm<\/td>\n30 cm2<\/td>\n<\/tr>\n
      90\u00b0<\/td>\n\u00a020 mm<\/td>\n20 cm2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      *) des valeurs interm\u00e9diaires peuvent \u00eatre obtenues par interpolation<\/p>\n

      Il convient de conserver une pente de toiture minimum de 7\u00b0 lorsque le taux d\u2019humidit\u00e9 est sup\u00e9rieur au taux relev\u00e9 \u00e0 une temp\u00e9rature de 20 \u00b0c et avec une humidit\u00e9 relative de 60% (pression de vapeur d\u2019eau sup\u00e9rieure \u00e0 Ps = 1400 Pa).<\/p>\n

       <\/p>\n","protected":false},"excerpt":{"rendered":"

      La qualit\u00e9 et la dur\u00e9e d\u2019un rev\u00eatement de toit en zinc-titane d\u00e9pendent avant tout de la construction et de l\u2019ex\u00e9cution du fa\u00eetage, puis du rev\u00eatement en zinc-titane. Sur les toitures isol\u00e9es, les constructions a\u00e9r\u00e9es sont celles qui garantissent une dur\u00e9e de vie optimale du rev\u00eatement de toit. Si la construction a \u00e9t\u00e9 correctement ex\u00e9cut\u00e9e, il […]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":1020,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-31034","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nFa\u00eetages – 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\/faitages\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fa\u00eetages – NedZink\" \/>\n<meta property=\"og:description\" content=\"La qualit\u00e9 et la dur\u00e9e d\u2019un rev\u00eatement de toit en zinc-titane d\u00e9pendent avant tout de la construction et de l\u2019ex\u00e9cution du fa\u00eetage, puis du rev\u00eatement en zinc-titane. Sur les toitures isol\u00e9es, les constructions a\u00e9r\u00e9es sont celles qui garantissent une dur\u00e9e de vie optimale du rev\u00eatement de toit. 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