| 摘要 |
<p>A roof shingle is provided with upper and lower edges adapted for resilient interlocking with the corresponding lower and upper edges of further such shingles arranged in adjacent rows in a roof construction. The end edges are also provided with lip and slot arrangements to facilitate end-to-end interlocking. One end of each shingle has a projecting tab for nailing to the building, such tab being hidden beneath an adjacent shingle in the finished construction.</p> |
