E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
20/70
E04D 1/12 (2006.01)
Patent
CA 2019805
A multi-layer shingle is provided, comprising three shingle layers; specifically, a base layer, a secondary layer and a top layer. The base layer and the secondary layer each have butt portions and tab portions. The secondary layer has tab portions that are preferably somewhat shorter than the tab portions of the base layer, showing portions of the tab portions of the base layer beneath the tab portions of the secondary layer. The top, or third layer is comprised of individual strips that are preferably narrower than the tab portions of the secondary layer, and which preferably extend up into the butt portion of the secondary layer, in overlying relationship therewith. The base layer and secondary layer are secured together by preferably horizontal adhesive stripes. Adhesive also secures the top or third layer strips to the secondary layer, preferably by means of vertical adhesive stripes. Different granule applications are provided for desired aesthetic effects. optionally, a shadow line may be provided on the upper surface of the secondary layer at the juncture of the butt and tab portions thereof. Different tab portions of the secondary layer may have different vertical heights, for random effect. Each of the base and secondary layers is approximately twice as wide as high, such that two such layers may be cut from a substantially square piece of shingle material. The final shingle may be palletized at two generally coplanar shingles per layer, with alternate layers disposed at 90 degrees relative to each other.
Hannah Marcia G.
Mehrer George W.
Noone Michael J.
Quaranta Joseph
Stahl Kermit E.
Certainteed Corporation
Shapiro Cohen
LandOfFree
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