Roofing Nail Length For 1 2 Plywood

Wood shakes minimum 3 4 sheathing wood shakes nail type minimum length.

Roofing nail length for 1 2 plywood.

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

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. Existing roof is a 3 tab shingle with 1 2 plywood. The flush set of the appropriately colored nail head will blend in with the darker seam color of the panel.

Pound the nails in with a hammer and then tap them in flush with a nail set. Before you go shopping for roofing nails you need to have an idea of what you are looking for. If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice. It is outside in a yard.

For 1 2 thick plywood 6d 8d nails finishing are ideal. The nails used are 1 2 3 4. 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. 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. Seems 1 1 4 nails are recommended. 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.

Size length and gauge of nails. The roof structure is completely open and can be seen from underneath. Most of the nails do not come through the plywood. The thickness of the nail is directly proportional to its length thus the longer the nail.