Roofing Nail Length For 7 16 Osb

What size and length of sheathing and roofing nails should i use.

Roofing nail length for 7 16 osb.

Osb panels can swell slightly so leave a 1 8 inch gap between panels during installation. Roofing nails roofing nail sizes sheathing 3d box 4d box 5d box 6d box what size roofing nails composition shingles wood shakes wood shingles. 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 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.

I will also installing asphalt architectural shingles. To roof diaphragm at top and to foundation at bottom roof horizontal diaphragm. 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. I will be installing 7 16 osb over the existing surface which are approximately 1 2 thick boards spaced about 2 1 2 apart.

Note that roofing nails come in different sizes lengths and gauges. Planning and executing a good roofing job requires knowledge of every aspect of the job. 7 16 apa rated sheathing with 8d nails 4 oc. Size length and gauge of nails.

Nail spacing for sheets of osb and plywood is 8 inches per nail. The thickness of the nail is directly proportional to its length thus the longer the nail. Nominal nail nail size nail spacing at nail size nail spacing at panel penetration common or panel edges in apa. I will be using a coil roof nailer for the shingles and hammer for the sheathing.

Roofing nails range from one to six inches in length. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves.