E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 15/02 (2006.01) E04D 1/12 (2006.01)
Patent
CA 2586790
A system of placement of adjacent roofing shingles on a roof is provided, whereby the horizontal spacing of adjacent shingles, the vertical placement of shingles, and the proper angular orientation of shingles is provided, due to a system of indicia on a visible upper surface of the shingles. A plurality of adjacent appropriately oriented shingles and appropriately placed shingles are provided, as is a roof having a plurality of shingles laid up thereon in courses.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Certain Teed Corporation
LandOfFree
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