Structural insulation sheathing

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 5/32 (2006.01) B32B 27/32 (2006.01) B32B 27/40 (2006.01) E04C 2/296 (2006.01)

Patent

CA 2627909

Structural insulation sheathing (SIS), preferably in the form of a panel, comprises a structural facer and an insulation member. The structural facer and insulation members are in intimate, planar contact with one another, both are plastic, and the SIS structure meets both the structural (i.e., ASTM E72) and insulation (R>2) requirements for the North American residential market. The structural facer member of the SIS structure is high-density polyolefin foam. The structural facer comprises a skin/core structure with the skins of a higher density than the core, and the structural facer has a flexural modulus typically of at least about 30,000 pounds per square inch (psi). The insulation member of the SIS is a foamed sheet of thermoplastic, e.g., polyisocyanurate.

Un revêtement isolant de construction (RIC) se présentant de préférence sous forme d'un panneau comprend un parement de structure et un élément isolant. Le parement de structure et l'élément isolant se trouvent en contact intime plan l'un avec l'autre, ces deux éléments étant réalisés en plastique et la structure RIC répondant aux exigences en matière de construction (c'est-à-dire la norme ASTM E72) et d'isolation (R>2) pour le marché résidentiel en Amérique du Nord. Le parement de structure de la structure RIC est une mousse de polyoléfine haute densité, il comprend une structure enveloppe/âme dans laquelle les enveloppes présentent une densité supérieure à celle de l'âme et le parement de structure présente un module d'élasticité en flexion qui est généralement d'au moins 30 000 livres par pouce carré. L'élément isolant du RIC est une feuille expansée de matériau thermoplastique tel que par exemple le polyisocyanurate.

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