Composite mat product for roofing construction

Details Composite mat product for roofing construction Composite mat product for roofing construction

E - Fixed Constructions

04

D

E04D 1/22 (2006.01) E04D 1/26 (2006.01) E04D 5/00 (2006.01) E04D 5/10 (2006.01)

Patent

CA 2460741

This invention relates to a low fiber, pliable composite mat product suitable for use in the construction industry, particularly as an interlayer in roofing between a weathering course, e.g. a shingle and structural decking, e.g. plywood, which is a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, surfaced or coated on both sides with a prefoamed composition which contains a cured polymer latex, and, preferably, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler, and also to the use and process for the preparation of the above.

Cette invention porte sur un mat composite pliable, fibreux, approprié pour être utilisé dans la construction, notamment comme couche intermédiaire de toiture entre une couche contre les intempéries telle qu'un bardeau et un platelage structural tel qu'un contre-plaqué qui est un mat fibreux préformé sec contenant un liant pour les fibres, de préférence, un mat de verre préformé, surfacé ou recouvert de chaque côté d'une composition préexpansée contenant un latex polymère durci et, de préférence, une quantité substantielle de mousse d'un tensioactif et une quantité d'une charge minérale ignifuge ou de renforcement. L'invention porte également sur l'utilisation et sur un procédé de préparation du mat précité.

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