Roofing for buildings, with synthetic resin molded components

摘要

A tile made of stiff molded synthetic resin having edges which overlap when a plurality of tiles are assembled upon a roof and an upper continuous contoured ridge along the upper edge and a lower continuous contoured ridge along the lower edge. The upper and lower ridges being stepped shape to engage with horizontal continuity when a plurality of tiles are assembled upon a roof. A through hole is provided in the lower ridge which aligns with a slot in the upper ridge to allow a screw to pass therethrough fastening two contiguous rows of tiles to a supporting structure.