How Long Should Roof Nails Be Single Dimensional Shingle Plywood

However make sure that you do not nail into the tar strip.

How long should roof nails be single dimensional shingle plywood. The thicker the new shingle the better it will hide any imperfections in the roofing below. 4 feet equals 48 inches which you then divide by 8 to determine that you ll need six nails where the board comes in contact with a truss. Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less. The screw shank nails.

This means that you ll need to use six nails per each truss that runs under the sheathing because each sheet measures 4 feet wide by 8 feet long. Wood shingles minimum 3 4 sheathing wood shingles nail type minimum length 18 straight split 3d box 1 1 4 18 and 24 handsplit and resawn 4d box 1 1 2. The one to two inch roofing nails are suitable for most types of roof shingles. If you need bigger nails including pikes you may need to place a special order at the hardware store.

Fasteners should be long enough to penetrate at least 3 4 19mm into wood decks or just through the plywood decks. It s a good idea to use at least 40 year shingles. 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. Nail spacing for sheets of osb and plywood is 8 inches per nail.

Architectural shingles are an even better choice. Nail the shingles just above the tab slots. Also place a nail 2 inches from each end of the shingle in line with the other two. Fasteners must be driven flush with the surface of the shingle.

Their tab slots should not line up with the tab slots of the starter course if there are any. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc. The most commonly used roofing nails range from one to two inches in length.