Ceiling having enhanced resistance to fire

Details Ceiling having enhanced resistance to fire Ceiling having enhanced resistance to fire

1988-06-20

1989-09-05

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Footing or foundation type

Framework spans footings

52643, 52729, 52515, E04B 514

Patent

active

048626627

ABSTRACT:
In a ceiling structure, wood structural components, such as wood joists or trusses, have wood shield pieces interposed between them and a sheet-like ceiling which is carried by the structural components. The shield pieces protect the structural components in the event of a fire below, in that they must be consumed by the fire before the structural components are jeopardized, and this requires additional time which extends the fire rating of the ceiling.

REFERENCES:
patent: 1372478 (1921-03-01), Bradley
patent: 1675226 (1928-06-01), Munroe et al.
patent: 3570208 (1971-03-01), Nikai et al.
patent: 4439957 (1984-04-01), Raasakka et al.
patent: 4602461 (1986-07-01), Cummins et al.
patent: 4669243 (1987-06-01), Gore et al.
patent: 4727700 (1988-03-01), Eberle

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