Fire retardant oriented strand board structure element

Details Fire retardant oriented strand board structure element Fire retardant oriented strand board structure element

1994-07-29

1995-08-22

Thomas, Alexander S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428106, 428107, 428535, 428921, 527294, B32B 502

Patent

active

054438942

ABSTRACT:
This invention relates to a fire retardant wooden structural element, such as the web of a wooden joist, a wall panel, exterior or interior siding panel or the like, which is formed of oriented strand board (OSB) having outer layers which contain particles of expandable graphite and a core layer which is free of expandable graphite.

REFERENCES:
patent: 3956555 (1976-05-01), McKean
patent: 4209561 (1980-06-01), Sawko
patent: 4666029 (1987-05-01), Burkner
patent: 4715162 (1987-12-01), Brightwell
patent: 5176863 (1993-01-01), Howard
patent: 5187000 (1993-02-01), Chow et al.
patent: 5217665 (1993-06-01), Lim et al.
International Appln. No. PCT/EP91/00209 Aug. 8, 1991 to Malkit, Singh, "Intumescent Fire Protection Compositions".
Technical Bulletin Issued Nov. 1993, "Oriented Strandboard and Waferboard".
Panel World Issued Nov. 1993, "OSB Industry Increases Capacity, Gears Up For Years of Fast Growth", p. 12.

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