Roof Shingle Nail Placement

Roofing experts know there are specific numbers of nails for each type of shingles.

Roof shingle nail placement.

Fasten shingles with corrosion resistant nails. Shingles with sealant on the back surface. Gaf mastering the roof chapter 08 proper fastening is critical to the perfvormance of any roof system. Nails of the proper length should penetrate three fourths of an inch into the roof deck.

Worse yet every nail hole is an opportunity for water to enter the home. For most shingles with sealant on the top surface place nails below the sealant strip but above the area that will be. To ensure optimal performance of your asphalt roofing shingles be sure to follow these general directions for proper nailing. However where the roof deck is less than three fourths of an inch thick the nail should be long enough to penetrate fully and extend at least one eighth of an inch through the roof deck.

Critical aspects of nail placement include. This chapter will demonstrate how to properly nail. Never place nails where they will be fully or partially visible after the roof is complete. If you make a mistake and nail 6 per shingle instead of 4 you ll have wasted time money and effort.

Each shingle model has specific requirements for nails printed on each shingle wrapper. The length of each nail must be a minimum of 1 inches long and for roof overs atlas recommends a nail length of at least 2 inches.