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.

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. 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. There are different kinds of roofing nails made of different materials and in various sizes.

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. Because of this concept many building standards groups specify that only nails and staples are to be used for wood structural panel attachments in wall applications. Ansi national design specification nds chapter 12. Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing.

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. A structure s roof truss spacing can vary from every 12 to 24 inches. Spacer type panel edge clips are available from some manufacturers. I read something that said the sheathing should be nailed on with 8d nails where i was planning to use 1 1 2 ringed plywood nails.

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