Patent ID: 8763339

Claim:
A composition roofing shingle, comprising: a bituminous laminate comprising a buttlap area and a common bond area, and having an interior surface and an exterior surface, wherein only the exterior surface of only the buttlap area of the bituminous laminate provides at least an initial portion of an exposure surface of the shingle while the exterior surface of the common bond area is configured to be overlapped by a portion of a second shingle; and an insulator, wherein the insulator alone provides a headlap area, the insulator having an interior surface and an exterior surface, wherein portions of the exterior surface of the insulator are attached directly to the interior surface of the bituminous laminate at a top edge of the common bond area, the insulator extending from the interior surface of the bituminous layer at the common bond area an amount substantially equal to the exposure surface of the shingle.