Patent ID: 8297020

Claim:
A laminated adhesive shingle for use in a roof system comprised of rows of shingles comprising: a base layer of roofing material including an attachment flange area near its lower edge for attaching the base layer to a roof; a top layer of roofing material attached to said base layer and permanently attached along its mid section to the top edge of said base layer, said top layer extending along the top edge of said base layer forming a top layer single layer area along the top of the shingle; and said top layer and said base layer delimiting a pocket recess between at least a portion of the top layer and the bottom layer, said pocket recess sized to receive a single layer area of another said shingle when the shingles are interlocked and trap locked between adjacent rows when installed on a roof; and wherein said top layer and said bottom layer are hinged together defining a hinge joint comprising flexible webbing bonded to a bottom portion of said top layer and bonded to a top portion of said bottom layer.