Insulation product having directional facing layer thereon...

F - Mech Eng,Light,Heat,Weapons – 16 – L

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F16L 59/02 (2006.01) B32B 23/02 (2006.01) E04B 1/80 (2006.01)

Patent

CA 2557310

An insulation product (100) is provided comprising an insulation mat (10) comprising randomly oriented fibers. The mat (10) has first and second major surfaces (12, 13) and a pair of side portions (14, 15). A vapor retardant facing layer (17) is bonded to at least one of the major surfaces (12, 13) of the mat (10). The facing layer (17) has a fiber orientation such that the facing layer (17) has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits the facing layer (17) to be separated by hand along a substantially straight line selected in the machine direction.

Produit d'isolation (100) qui possède un panneau d'isolation (10) comportant des fibres à orientation aléatoire. Le panneau (10) possède des première et seconde surfaces principales (12, 13) et une paire de parties latérales (14, 15). Une couche de revêtement (17) retardatrice de vapeur est collée sur au moins une des surfaces principales (12, 13) du panneau (10). La couche de revêtement (17) possède une orientation des fibres telle que ladite couche (17) présente un rapport de la résistance à la traction dans le sens machine à la résistance à la traction dans le sens travers qui permet de séparer à la main la couche de revêtement (17) le long d'une ligne pratiquement droite sélectionnée dans le sens machine.

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