Go around the subsequent shingle row, offsetting the shingles horizontally by about 6 inches so which the tabs are staggered. Each three-tab shingle calls for 4 nails, just one previously mentioned Just about every tab groove. The nails really should be inserted three to 4 inches from your shingle’s bottom https://roofingexperts60471.acidblog.net/57768183/5-easy-facts-about-roofing-described