Use of fibrous mat-faced gypsum board in exterior finishing...

Details Use of fibrous mat-faced gypsum board in exterior finishing... Use of fibrous mat-faced gypsum board in exterior finishing...

E - Fixed Constructions

04

C

20/38.1

E04C 2/00 (2006.01) B28B 19/00 (2006.01) B28B 23/00 (2006.01) B32B 13/14 (2006.01) E04C 2/04 (2006.01) E04C 2/284 (2006.01) E04C 2/288 (2006.01) E04D 11/02 (2006.01) E04D 13/16 (2006.01)

Patent

CA 1250727

ABSTRACT OF THE DISCLOSURE An exterior finishing system for a building, including particularly an exterior insulation system, which includes a fibrous mat-faced gypsum board, preferably a board in which the set gypsum core thereof is water resistant, and preferably one in which the set gypsum core is sandwiched between two sheet of porous glass mat, with the outer sur- face of at least one of said mats being substantially free of set gypsum, and means for preparing and board, including control of the viscosity of the aqueous gypsum slurry from which the set gypsum core of the board is formed. Also, the use of fibrous mat-faced gypsum board as the shaft liner panel in a shaft wall assembly.

473643

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