Gypsum board faced with non-woven glass fiber mat

Details Gypsum board faced with non-woven glass fiber mat Gypsum board faced with non-woven glass fiber mat

B - Operations, Transporting

32

B

B32B 13/00 (2006.01) B32B 17/00 (2006.01)

Patent

CA 2529631

A gypsum board comprises a set gypsum layer having a first face and a second face. A fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web is composed of chopped continuous glass fibers having an average fiber diameter ranging from about 9.5 to 12.5 ~m. The board is exceedingly durable. It has a smooth surface that is readily finished in an aesthetically pleasing way, using paint or other wall covering systems.

L'invention porte sur une plaque de plâtre comprenant une couche de plâtre durci possédant une première face et une seconde face. Un mat fibreux est fixé à au moins une des faces. Ce mat comprend une bande non tissée reliée au moyen d'un liant résineux. Cette bande est composée de fibres de verre continues coupées présentant un diamètre de fibre moyen compris entre environ 9,5 et 12,5 µm. La plaque possède une importante longévité. Elle est pourvue d'une surface lisse qui est rapidement fabriquée de manière esthétique, au moyen d'une peinture ou d'autres systèmes de protection murale.

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