Patch the nail or screw holes by slipping a piece of roof flashing beneath the shingle. Insert a bead of caulk or roof cement to the very best and bottom edge of the flashing to maintain it in place. Shakes are fundamentally shingles produced from wood in place of asphalt. https://roofing-service53617.tusblogos.com/34138616/top-roofing-supplies-secrets