Sag-resistant gypsum board and method

Details Sag-resistant gypsum board and method Sag-resistant gypsum board and method

B - Operations, Transporting

32

B

154/69

B32B 13/08 (2006.01) C04B 18/08 (2006.01) E04C 2/04 (2006.01)

Patent

CA 1140846

SAG-RESISTANT GYPSUM BOARD AND METHOD Abstract of the Disclosure A gypsum board consisting essentially of a monolithic cellular core of set gypsum and a fiberous cover sheet en- casement provided with improved properties by the gypsum core having incorporated therein coal fly ash in an amount of about 1-20% by weight of stucco in the gypsum slurry used in forming the board and method of producing the board are disclosed.

343439

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