Roofing Nails Through Plywood

To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves.

Roofing nails through plywood.

These pieces of plywood need something heavy duty to keep them from slipping off the roof. These nails protrude about a half inch and are visible. He stated code standards are that the nails protrude through the surface. Believe me you don t want to have to remove one of these sheets when fastened at the proper nail spacing.

Never screwed the plywood roof decking on. I personally do not like staples because i don t have any confidence in the longevity of the wire gauge. Roofing nails are made of galvanized steel to protect them from the elements. 2 8d galvanized ring shanks with a nail gun.

Plywood paneling is anchored into wooden wall studs using colored paneling nails also called finishing nails or brads driven inside the darker seams of the paneling. 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. It makes sense to use nails to attach the decking or sheathing into place. After contacting the service representative we dealt with during our roofing project we were told the work was done according to code standards and the company uses 1 inch nails on all projects.

This nail probably was driven very close to the horizontal seam of the sheets of plywood under the shingles. 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. Holding the roof together.