C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
20/54
C08L 39/00 (2006.01) E04C 2/32 (2006.01) E04D 3/30 (2006.01) E04D 3/32 (2006.01)
Patent
CA 1296860
Abstract Roof Covering A roof covering suitable for use on flat or shallow angle roofs is of sheet-like form and has at least one raised region in the sheet, the raised region merging into undulations at the border surrounding the raised region. The shape of the covering enables expansion or contraction of the covering relative to a substrate on which it is laid to be accommodated.
552430
Fetherstonhaugh & Co.
Pbt International Limited
LandOfFree
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