Can Roofing Nails Be Used For Siding?

Can Roofing Nails Be Used For Siding? Galvanized Roofing Nails Are Your Best Bet for Siding Success. … Most contractors agree that nails used in siding projects should measure at least 1 1⁄2 inches long—or up to 2 1⁄2 inches if you’re installing backerboard with the siding. Nail heads require a 5/16 inches minimum in