Non-cellular adhesive for composite roof structure

E - Fixed Constructions – 04 – D

Patent

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Details

E04D 5/14 (2006.01) E04D 5/12 (2006.01)

Patent

CA 2446047

A composite roof structure, and a corresponding method of fabricating the structure, are disclosed which includes use of a layer of non-cellular adhesive material (preferably a two-component non-cellular polyurethane adhesive material) along with a flexible roof membrane, preferably made of thermoplastic olefin rubber, including a rubber-like sheet having a fleece- like matting secured to the underside thereof. The non-cellular adhesive is preferably sprayed onto a roof substrate and prior to complete solidification thereof the roof membrane is pressed into the adhesive so that the matting becomes embedded therein.

Cette invention se rapporte à une structure de toit composite et à un procédé correspondant de fabrication de cette structure, dans lequel on utilise une couche d'un matériau adhésif non cellulaire (de préférence un matériau adhésif en polyuréthanne non cellulaire à deux constituants) associé à une membrane de toit souple, constituée de préférence de caoutchouc oléfinique thermoplastique, comportant une feuille de type caoutchouc sur la face inférieure de laquelle est fixé un matte pelucheux. Cet adhésif non cellulaire est de préférence pulvérisé sur une structure de toit et, avant sa solidification complète, la membrane de toit est amalgamée par pression dans l'adhésif, pour que le matte s'incorpore à lui.

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