Roof Sheathing 24 Truss Spacing

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Roof sheathing 24 truss spacing.

Table r803 2 2 specifies the minimum sheathing thickness for framing spaced 24 inches on center based on exposure category and wind speed. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. 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.

Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing. These standards are as follows. Spacing a live load deflection limited to l 240 maximum and use lumber properties as follows. 2x4f 2000psif 1100psie 1 8x10 2x6f 1750 psi f 950 psi f 1900 psi e 1 8x10.

It will support roof. An excerpt of table r803 2 2 is shown in the next column. Spaced sheathing or 1x. Roof sheathing basics the skeleton of a roof is formed with rafters or trusses generally spaced 16 inches or 24 inches apart from the center of one rafter to the center of the next.

While ring shank nails are still required the nail size depends on the sheathing thickness. 01 with 4 nominal bearing each end 24 o c.