How Many Nails Should Be Used To Nail Roof Sheathing

Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application.

How many nails should be used to nail roof sheathing.

The problem exists because nail sizes and spacing used to attach the sheathing to the roof s structural members rafters or trusses do not provide enough strength to keep the sheathing on. I ll be using 3 8 plywood sheathing on 2x8s with 16 centers. Roof sheathing panel spacing hints. A structure s roof truss spacing can vary from every 12 to 24 inches.

Ansi national design specification nds chapter 12. Awc special design provisions for wind and seismic chapter 4. Spacer type panel edge clips are available from some manufacturers. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels.

Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing. There are different kinds of roofing nails made of different materials and in various sizes. A roofing nail should have a minimum nominal shank diameter of 12 gauge 2 67 mm and a minimum head diameter of 9 5 mm. I m adding a deck with roof to the side of my house.

Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing.