No. 20 A Starter12 … / Honeycomb Effect (French Method of Application)Showing Starting Courses at the Eaves The No. 20 Shingle lays diagonally, exposed 914 x 9W to the weather.One hundred and sixty-two (102) Shingles are required to cover one square(100 sq. ft.) of roof area. Average weight per square, 292 pounds. *…
Roofing · Mineral fiber-cement roof tiles · Asbestos
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