Go up to the subsequent shingle row, offsetting the shingles horizontally by about six inches so the tabs are staggered. Every 3-tab shingle involves 4 nails, a person above each tab groove. The nails ought to be inserted 3 to four inches through the shingle’s base edge, along with the https://excellentopolis.com/roofing-hail-navigating-insurance-claims-for-a-hassle-free-experience/