Transfer as much as the subsequent shingle row, offsetting the shingles horizontally by about 6 inches so that the tabs are staggered. Each three-tab shingle requires 4 nails, 1 earlier mentioned Each and every tab groove. The nails ought to be inserted three to four inches in the shingle’s base https://emilioeuivi.arwebo.com/49942632/roofing-contractor-can-be-fun-for-anyone