Go nearly the subsequent shingle row, offsetting the shingles horizontally by about 6 inches so the tabs are staggered. Each and every a few-tab shingle requires 4 nails, one particular earlier mentioned Each and every tab groove. The nails should be inserted three to 4 inches from the shingle’s base https://excellentopolis.com/roofing-hail-navigating-insurance-claims-for-a-hassle-free-experience/