| 摘要 |
An improved roofing tile with side flanges, one overlying and one underlying, providing an interlock between adjacent tiles. The flanges have two ridges and two grooves each. The inner ridge of the underlying flange is higher than the outer ridge thereof, and the outer groove of the overlying flange is deeper than the inner groove thereof. Optionally a cutout is provided on the overlying flange permitting a tile to be held with a hurricane clip on the underlying flange. Optionally a cavity is provided on the bottom face toward the lower edge to prevent a tile coming in contact with nails driven through tiles in a lower course.
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