Roof Sheathing 24 Truss Spacing

While ring shank nails are still required the nail size depends on the sheathing thickness.

Roof sheathing 24 truss spacing.

Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Typical roof truss spacing means that they are usually about 24 inches from centre which means at the centre of one truss there will be a two foot gap or twenty four inch gap until the centre of the next truss. 01 with 4 nominal bearing each end 24 o c.

To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. A structure s roof truss spacing can vary from every 12 to 24 inches. It will support roof. Each of these factors plays a role in determining how many nails you ll need to use per board during roof sheathing application.

An excerpt of table r803 2 2 is shown in the next column. 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. Table r803 2 2 specifies the minimum sheathing thickness for framing spaced 24 inches on center based on exposure category and wind speed.

These standards are as follows. Allowable spans for 2x4 top chord trusses using sheathing other than plywood e g.