| 摘要 |
The roof shingle is made of plastic and has a generally planar nailing porti on and a generally planar exposable portion extending generally coplanarly from the nailing portion. An imaginary first axis defines the nailing portion fro m the exposable portion. The shingle has a fold area extending generally centrally through the nailing portion and the exposable portion along a second axis generally at a right angle to the first axis. For the ridge line of the roof , the shingle may be folded along the fold area to produce a V-shape for installation along the ridge line, without having to cut the shingle or use a different design.
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