B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/18 (2006.01)
Patent
CA 2596271
A covered low-slope or flat roof comprising (a) a roof deck, (b) an optional insulation board including a polyurethane or polyisocyanurate cellular structure having a density that is less than 2.5 pounds per cubic foot, (c) a coverboard including a polyurethane or polyisocyanurate cellular structure having a density greater than about 2.5 pounds per cubic foot, and (d) a membrane.
L'invention concerne un toit plat ou à faible pente recouvert, comprenant (a) une plate-forme de toit, (b) éventuellement un panneau isolant comportant une structure cellulaire en polyuréthanne ou en polyisocyanurate dont la densité est inférieure à 2,5 livres par pied cube, (c) une dernière couche comportant une structure cellulaire en polyuréthane ou en polyisocyanurate dont la densité est supérieure à 2,5 livres par pied cube et (d) une membrane.
Brandt Gregory
Letts John
Bfs Diversified Products Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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