Mound City Roofing Tile Company_21 Published September 25, 2014 at 620 × 401 in Mound City Roofing Tile Company_21 ← Previous Next → This is an illustration of seven varying Crestings for Slate Roofs from Mound City Roofing Tile Company. Each of the crestings has listed the length, pitch, height, and weight for each of them.