Invention Grant
US07882677B2 Roofing shingle with a laying line 失效
屋顶瓦与铺设线

Roofing shingle with a laying line
Abstract:
A roofing shingle with a laying line that facilitates the alignment of an overlying course of shingles with respect an underlying course of shingles is provided. The laying line is located on a front surface of the shingle and has a width such that the laying line is exposed when an edge of another shingle is placed in contacting proximity with the laying line. The shingle may also have a scale and one or more nibs that protrude from the sides of the shingle that assist in aligning the shingles in the second course with the shingles in the underlying course. The shingle may also include nailing zones located on the front surface of the shingles provide a location for fastening the shingles to the roof. A method of laying the shingles of the present invention on a roof is also provided.
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