E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 2/04 (2006.01) B32B 13/14 (2006.01) E04B 1/94 (2006.01)
Patent
CA 2418290
The invention concerns a gypsum plaster base board with highly improved fire resistance. Said plate has a plaster based core and is characterised in that it is provided at least on one of its surfaces, with a facing consisting of a glass fibre mat, said mat being coated, on its outer surface, with a coating composition comprising: a mineral filler, excluding calcium sulphates capable of being hydrated, and an organic or mineral binder. The invention also concerns a glass fibre mat coated with a coating composition comprising: a mineral filler, excluding calcium sulphates capable of being hydrated, an organic or mineral binder, a waterproofing agent. Finally, the invention concerns a method for making such a gypsum plaster base board.
L'invention concerne une plaque de plâtre à résistance au feu fortement améliorée. Cette plaque de plâtre a un coeur à base de plâtre et elle se caractérise en qu'elle est munie sur l'une au moins de ses faces, d'un parement constitué d'un mat en fibres de verre, ce mat étant enduit, sur sa face extérieure, d'une composition d'enduction comprenant: - une charge minérale, à l'exception des sulfates de calcium hydratables; et - un liant organique ou minéral. L'invention a trait également à un mat en fibres de verre enduit par une composition d'enduction comprenant: - une charge minérale, à l'exception des sulfates de calcium hydratables; - un liant organique ou minéral; et - un hydrofugeant. Enfin, l'invention propose un procédé pour la préparation de la plaque de plâtre.
Gowling Lafleur Henderson Llp
Lafarge Platres
LandOfFree
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