E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 3/26 (2006.01) E04D 11/02 (2006.01) E04D 13/16 (2006.01)
Patent
CA 2279914
A roofing system incorporating lightweight concrete. The system includes a deck and an insulation board. Lightweight concrete is placed between the deck and the insulation board. The deck includes upper and lower flutes and the insulation board has a plurality of channels formed therein. The lower flutes and channels form ribs in the concrete layer that strengthen the roofing system. The concrete layer may be attached to the deck by a series of protrusions in the deck that extend into the concrete. Alternatively, the concrete layer may float above the deck to prevent cracking. A release agent may be used to prevent the concrete layer from adhering to the deck.
Kelly Thomas L.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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