Roofing shingle
AssigneeCertainTeed Corporation
InventorsRobert L. Jenkins, Alex C. Nash, Gregory F. Jacobs
Life of this patent
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Abstract
A roofing shingle including a lower layer including a headlap and a plurality of tabs extending from the headlap, and an upper layer including one or more fingers, wherein the one or more fingers are disconnected from one another, and wherein each of the one or more fingers is disposed on one tab of the plurality of tabs, wherein a number of the plurality of tabs is different than a number of the one or more fingers. In an embodiment, the lower layer is a lowermost layer of the roofing shingle. In another embodiment, the roofing shingle further includes an alignment feature disposed in an exposure zone of the roofing shingle, wherein the alignment features is adapted to permit alignment of adjacent roofing shingles during installation on a roof.
Claims16
A roofing shingle, comprising:
- a lowermost layer including a headlap and a plurality of tabs extending equidistant from the headlap, wherein adjacent tabs are divided by slits that extend from a butt end of the lowermost layer, wherein the slits extend at least 5% and not greater than 50% into the width of the headlamp, wherein the lowermost layer comprises an upper surface and a lower surface, wherein the lowermost layer is a single monolithic layer free of additional layers adhered to the lower surface such that the lower surface defines a back of the roofing shingle;
- and
- a plurality of fingers adhered to the upper surface of the lowermost layer, wherein the plurality of fingers are entirely disconnected from one another such that no part of one finger contacts another finger, wherein each of the plurality of fingers is disposed on and centered along one tab of the plurality of tabs, and wherein each of the plurality of fingers extends an entire width of the lowermost layer,
- wherein the total number of tabs is greater than the total number of fingers.
Dependencies are inferred from the claim text.