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SOLVED: From the following figure, using corrugations and 30 centimeters end lapping on a 2"x4" purlins solve for the following: Number of corrugated roof sheets #of rivets, washers and lead washers in
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Gibraltar Building Products 20 in. x 50 ft. Galvanized Steel Roll Valley Flashing 17438 - The Home Depot
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Gibraltar Building Products 12 in. x 25 ft. Galvanized Steel Roll Valley Flashing RV1225G - The Home Depot
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