| 摘要 |
A laminated shingle has a horizontal longitudinal orientation, and includes a first overlay sheet having a series of horizontally extending tabs and cutouts. Each tab h,as a front edge. An underlay sheet includes more than one section, and each section has a vertic al length relative to a back edge of the underlay sheet. The vertical lengths of at least some of the sections differ from each other, and each section has a front edge and is associated with one or more tabs of the overlay sheet. The underlay sheet is laminated beneath the first overlay sheet. The front edge of each section of the underlay sheet is substantially aligned vertically with the front edge of it s associated one or more tabs of the overlay sheet. |
