Shift up to the next shingle row, offsetting the shingles horizontally by about six inches so the tabs are staggered. Each a few-tab shingle calls for four nails, one higher than Each individual tab groove. The nails must be inserted 3 to 4 inches within the shingle’s base edge, and https://emilioaocvj.blogcudinti.com/26763542/top-roofer-secrets