Roofing Nail Length For 1 2 Plywood

Existing roof is a 3 tab shingle with 1 2 plywood.

Roofing nail length for 1 2 plywood.

Size length and gauge of nails. Generally the nails are no longer than 1 inch but if they will be going through drywall increase the nail length to 1 5 8 inches. 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. If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.

Nail spacing for sheets of osb and plywood is 8 inches per nail. For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail. Dimensional comp shingles over 3 tab 1 1 4 1 1 2 1 1 2 1 1 2 more than 1 layer of roofing not recommended over 3 8 sheathing. Wood shakes minimum 3 4 sheathing wood shakes nail type minimum length.

The 4d 6d nails finishing are suitable if the plywood is 3 8 thick. 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. 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. Before you go shopping for roofing nails you need to have an idea of what you are looking for.

It is outside in a yard. Pound the nails in with a hammer and then tap them in flush with a nail set. 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 range from one to six inches in length.

Note that roofing nails come in different sizes lengths and gauges. What size roofing nail. The flush set of the appropriately colored nail head will blend in with the darker seam color of the panel. Seems 1 1 4 nails are recommended.

The 3 4 1 nail type should be brads. Most of the nails do not come through the plywood. The nails used are 1 2 3 4. For 1 2 thick plywood 6d 8d nails finishing are ideal.