General guidelines for nailing shingles.
Proper way to nail roof shingles.
You must place nails in the proper location and drive them flush with but not cutting into the shingle.
Nailing the shingles correctly is critical to the roof system s wind resistance.
Proper nail placement is also a requirement for the shingles limited warranty coverage.
Then secure another nail an inch above each cutout.
Hammer one nail about 2 inches from each end of a shingle.
Make sure to keep nails out of the tar strip as you work.
When nailing shingles proper penetration into the roof deck is essential to ensure the nail and shingle remain secure.
Be mindful of the proper nailing technique so that your nails always hold the top edge of the course beneath it.
So your next course of shingles should cover the nails by 1 inch vertically.
Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.
In all use four nails per 3 tab shingle.
However make sure that you do not nail into the tar strip.
Hammer in one nail about 2 inches from each end of each shingle and another nail about 1 inch above each cutout.
For all owens corning shingles roofing nails should penetrate into the wood deck by a minimum of inch or completely through the roof deck by a minimum of 1 8 inch.