Normal Length For Roofing Nails

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.

Normal length for roofing nails.

Most of the nails do not come through the plywood. It is outside in a yard. The one to two inch roofing nails are suitable for most types of roof shingles. Seems 1 1 4 nails are recommended.

The length of the nail is the shank and the shank can also vary. The nails used are 1 2 3 4. Screw shank nails are twisted and have sharp diamond tips and they are used to securely fasten wood roofs. If you need bigger nails including pikes you may need to place a special order at the hardware store.

The roof structure is completely open and can be seen from underneath. The most commonly used roofing nails range from one to two inches in length. Roofs been on quite awhile and the nails held ok. Fasteners must be driven flush with the surface of the shingle.

Nails that are longer than six inches are called pikes and they are seldom used on roofs. 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. 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. Will the 1 1 4 nails rust since they will be below the plywood.

If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice.