Roofgenius.com Roof calculator, calculates a detail list of roof materials, and a complete estimate. Two ways to determine roof pitch. Offers tips and how to's on roofing. Roofing Nails Size Most Roofing nails have a large head diameter of 7/16 and are hot dipped galvanized or electrogalvanized to reduce rusting. Drywall nails have cupped head and are Phosphate coated to reduce rusting. Nail Size Nail Length Shank Diameter Head Diameter 2d 1″ 0.070 11/64 3d 1-1/4″ 0.085 …
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