Most of the nails do not come through the plywood.
Roofing nail length for 1 2 plywood.
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.
The 3 4 1 is most suitable for 1 4 thick plywood.
Existing roof is a 3 tab shingle with 1 2 plywood.
Before you go shopping for roofing nails you need to have an idea of what you are looking for.
Note that roofing nails come in different sizes lengths and gauges.
The flush set of the appropriately colored nail head will blend in with the darker seam color of the panel.
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.
Seems 1 1 4 nails are recommended.
For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail.
For 1 2 thick plywood 6d 8d nails finishing are ideal.
The thickness of the nail is directly proportional to its length thus the longer the nail.
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 3 4 1 nail type should be brads.
It is outside in a yard.
What size roofing nail.
If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.
Roofing nails range from one to six inches in length.
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.
The roof structure is completely open and can be seen from underneath.
Size length and gauge of 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.
Nail spacing for sheets of osb and plywood is 8 inches per nail.
The nails used are 1 2 3 4.
The 4d 6d nails finishing are suitable if the plywood is 3 8 thick.