E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 1/00 (2006.01) B32B 5/18 (2006.01) B32B 27/40 (2006.01) E04B 7/00 (2006.01) E04C 2/26 (2006.01) E04D 1/28 (2006.01)
Patent
CA 2676130
A construction board comprising a cellular body including at least one planar surface, where the cellular body includes a polyurethane or polyisocyanurate cellular structure, where the cellular structure has a density greater than about 2.5 pounds per cubic foot, an ISO index of at least 270, and where the cellular body includes at least 5.0% by weight flame retardant based on the weight of the cellular body.
L'invention concerne un panneau de construction comprenant un corps cellulaire présentant au moins une surface plane, le corps cellulaire comprenant une structure cellulaire de polyuréthane ou polyisocyanurate, la structure cellulaire ayant une densité supérieure à environ 2,5 livres par pied cube, un indice ISO d'au moins 270, et le corps cellulaire comprenant au moins 5,0 % en poids d'agent ignifugeant sur la base du poids du corps cellulaire.
Brandt Gregory
Letts John
Firestone Building Products Llc
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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