Roof Shingle Nail Pattern

It is important to apply roofing nails in the right quantity and location to securely lock a shingle into its place.

Roof shingle nail pattern.

Keep your nails on either side of the gap and away from the middle of each individual shingle so that the gap in the shingle above doesn t expose the nail head. Accurate nailing affects the performance of roofing shingles and it is also required by the international building. Racking shingles sometimes also may create a condition called pattern curling where the shingles curl and blow in the wind at the places where the racked columns join because of lifting the end of a shingle to place the next shingle and lifting the end high enough to nail the next shingle underneath each of the overlapping shingles. It starts with installing solid decking usually plywood or oriented strand board but that is not waterproof.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. The 3 tab asphalt shingle also called a composition shingle or fiberglass shingle is the most common type of roofing shingle. Steep slope use six nails and four spots of asphalt roofing cement for every full shingle for every full shingle as shown below. Actual results may vary.

When six nailing a full shingle follow the nail pattern shown in figure 12 5 nails can be placed in the 11 2 nailable area. Apply 1 spots of. Asphalt roofing cement should meet astm d 4586 type ii. Other composition shingles such as architectural and random cutouts are installed using most of the same techniques.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure. Check with your roofing dealer to learn about any installation differences. Installing a roof is much more than just nailing shingles onto some boards.

Red dots mark the nail holes for a 6 nail high wind nailing pattern on traditional 3 tab shingles note that the nails are just below the tar line.