Roofing Nail Length For 1 2 Plywood

Seems 1 1 4 nails are recommended.

Roofing nail length for 1 2 plywood.

Size length and gauge of nails. 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. Wood shakes minimum 3 4 sheathing wood shakes nail type minimum length. Existing roof is a 3 tab shingle with 1 2 plywood.

The 3 4 1 is most suitable for 1 4 thick plywood. What size roofing nail. 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. Roofing nails range from one to six inches in length.

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. For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail. If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice. Most of the nails do not come through the plywood.

Nail spacing for sheets of osb and plywood is 8 inches per nail. The roof structure is completely open and can be seen from underneath. The nails used are 1 2 3 4. The flush set of the appropriately colored nail head will blend in with the darker seam color of the panel.

The 4d 6d nails finishing are suitable if the plywood is 3 8 thick. Note that roofing nails come in different sizes lengths and gauges. 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. For 1 2 thick plywood 6d 8d nails finishing are ideal.

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. Pound the nails in with a hammer and then tap them in flush with a nail set. The 3 4 1 nail type should be brads. 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.