NF P85-570

Jointing products - Impregrated foams - Definitions specifications

Le présent document vise les mousses imprégnées dont la largeur de la bande est au minimum de 10 mm, utilisées pour calfeutrer les joints dans le bâtiment. Il définit les spécifications et méthodes d'essai permettant d'identifier et de contrôler les performances des mousses. La révision intègre désormais la création d'une nouvelle classe R de perméabilité à l'air renforcée, de deux nouvelles méthodes d'essais de perméabilité à l'air et d'étanchéité à l'eau (sur joint linéaire et pour une pose de menuiserie en tunnel) ainsi que d'un logigramme décisionnel afin de définir les essais de perméabilité à l'air et d'étanchéité à l'eau à réaliser selon les classes de produit visées.

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