B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 11/02 (2006.01) D06N 5/00 (2006.01) E04D 1/22 (2006.01)
Patent
CA 2558434
A shingle and a method of making it is provided in which the rear surface of the shingle is provided with an attached reinforcement layer through which fasteners may be applied when the shingle is applied to a roof.
Kalkanoglu Husnu M.
Koch Stephen A.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Certainteed Corporation
LandOfFree
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