Prefabricated durable building material

Details Prefabricated durable building material Prefabricated durable building material

B - Operations, Transporting

32

B

B32B 13/12 (2006.01) B32B 7/12 (2006.01) B32B 13/04 (2006.01) B32B 13/08 (2006.01) E04C 2/26 (2006.01)

Patent

CA 2390552

A pre-finished, moisture resistant and durable building material is provided. In one embodiment the building material includes a fiber cement substrate having a first side and a second side, at least one resin impregnated paper over at least one of the first and second sides, and a stress-relieving polymeric film between the fiber cement substrate and the at least one resin impregnated paper, the polymer film acting as a stress relaxer between the fiber cement substrate and the at least one resin impregnated paper. In another embodiment, a stress-relieving polymeric coating or film is provided between resin penetrated sheets and a substrate. In another embodiment, a process for bonding the resin penetrated sheets to the substrate is provided.

L'invention concerne un matériau de construction durable, résistant à l'humidité et préfini. Dans un mode de réalisation, ce matériau comprend un substrat en fibrociment comprenant un premier et un second côté, au moins un papier imprégné de résine étant appliqué sur l'un au moins de ces côtés, et un film polymère de détente des tensions étant placé entre le substrat de fibrociment et le papier imprégné de résine. Ce film polymère sert à diminuer les tensions entre le substrat de fibrociment et le papier imprégné de résine. Dans un autre mode de réalisation, on a déposé un revêtement ou film polymère de détente de tensions, entre des feuilles pénétrées par une résine, et un substrat. Dans un encore autre mode de réalisation, l'invention concerne un procédé de fixation, sur le substrat, des feuilles pénétrées par la résine.

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