Use only zinc coated steel or aluminum 10 12 gauge barbed deformed or smooth shank roofing nails with heads 3 8 10mm to 7 16 12mm in diameter.
Normal length for roofing nails.
Will the 1 1 4 nails rust since they will be below the plywood.
The length of the nail is the shank and the shank can also vary.
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.
Standard lengths are between 1 and 2 inches 2 and 5 centimeters but they are also available at lengths of up to 6 inches 15 centimeters.
Roofs been on quite awhile and the nails held ok.
If you need bigger nails including pikes you may need to place a special order at the hardware store.
It is outside in a yard.
If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.
Screw shank nails are twisted and have sharp diamond tips and they are used to securely fasten wood roofs.
Most of the nails do not come through the plywood.
For dimensional shingles being installed over a layer of existing dimensional shingles you should always use a 1 1 2 inch roofing nail.
The roof structure is completely open and can be seen from underneath.
The one to two inch roofing nails are suitable for most types of roof shingles.
The nails used are 1 2 3 4.
The most commonly used roofing nails range from one to two inches in length.
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.
Fasteners must be driven flush with the surface of the shingle.