Gypsum board/intumescent material fire barrier wall

Details Gypsum board/intumescent material fire barrier wall Gypsum board/intumescent material fire barrier wall

E - Fixed Constructions

04

C

E04C 2/26 (2006.01) A62C 2/06 (2006.01) B32B 13/02 (2006.01) E04B 1/94 (2006.01) E04B 2/74 (2006.01)

Patent

CA 2293148

A gypsum board/intumescent material fire barrier wall includes spaced apart, vertically extending metal or wooden studs with only one layer of gypsum board secured to each side of the studs to form a fire barrier wall with a wall cavity. An intumescent material barrier, that is at least coextensive in width and height with the width and height of the wall cavity, is also included in the fire barrier wall and preferably, the wall cavity contains a fibrous insulation blanket. Preferably, the spaced apart gypsum wall boards, with the intumescent material barrier, provide the fire barrier wall with two hour fire-resistive properties meeting or exceeding ASTM test standard E119 for walls and partitions.

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