How Many Nails Should Be Used To Nail Roof Sheathing

Roofing nail should have a barbed shank until the head which eliminates nail pops blow offs and roof leaks.

How many nails should be used to nail roof sheathing.

I m adding a deck with roof to the side of my house. Roof sheathing panel spacing hints. Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application. A structure s roof truss spacing can vary from every 12 to 24 inches.

Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing. Spacer type panel edge clips are available from some manufacturers. There are different kinds of roofing nails made of different materials and in various sizes. Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing.

I ll be using 3 8 plywood sheathing on 2x8s with 16 centers. 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. Ansi national design specification nds chapter 12. 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.

Awc special design provisions for wind and seismic chapter 4.