E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/18.3
E04B 5/00 (2006.01) E04B 5/54 (1980.01)
Patent
CA 1134116
CBP-6475 ROOF CONSTRUCTION-SUBCEILING ASSEMBLY Abstract of the Disclosure A roof construction-suspended ceiling system consists of a watertight outer layer and a layer of ther- mal insulation beneath it resting on a metal roof- supporting surface that has a vapor barrier. Below this there is a suspended ceiling system that has insulation placed thereon. The suspended ceiling has openings that will vent the area between the roof construction and the suspended ceiling and the above-said openings may be quickly closed in the event of a fire below the suspended ceiling system.
349537
Armstrong World Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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