General Roofing Mfg. Co. · General Roofing Mfg. Co. · leaf 60
and two squares (216 feet). Also fur-nished in 36-inch width, but containing the same num-ber of square feet. We recommend the 32-inch widthinstead of the 36-inch, because it has been found to bea more practical width to handle and lay smoothly. A square is 100 square feet (10 ft. x 10 ft.) butwe… … Certain-teed Specification Roofing —a built-up-roof for large andflat surfaces
Architecture, Domestic · Designs and plans
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