Failure resistant flame retardant vapor barrier insulation...

B - Operations – Transporting – 32 – B

Patent

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B32B 27/04 (2006.01) B32B 5/02 (2006.01) B32B 27/12 (2006.01) C09K 21/14 (2006.01)

Patent

CA 2474149

A failure resistant, flame retardant vapor barrier facing for insulation is disclosed. The facing is comprised of a coating and a backing. The coating comprises a pair of coextruded composites each composite comprised of FR material, UV blocking material, pigment material and a polyolefin (e.g., LDPE). The backing is a woven substrate woven from flame retardant polyolefin (e.g., HDPE) tapes. The woven substrate is laminated to building insulation using an adhesive. The woven substrate lends strength, flexibility and form to the facing.

L'invention concerne un revêtement barrière à vapeur ignifuge et à l'épreuve des pannes, destiné à l'isolation. Le revêtement est constitué d'une couche extérieure et d'une couche de fond. Le revêtement comprend une paire de composites co-extrudés, chaque composite étant constitué d'un matériau FR, d'un matériau bloquant les UV, d'un matériau à base de pigments et d'une polyoléfine (telle que LDPE). Le revêtement est une couche tissée, faite à partir de bandes de polyoléfine ignifuge (p. ex., en HDPE). Le substrat tissé est laminé pour former une isolation utilisée comme adhésif. Le substrat tissé confère au revêtement de plus grandes résistance et flexibilité ainsi qu'une forme déterminée.

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