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.

A structure s roof truss spacing can vary from every 12 to 24 inches. 01 with 4 nominal bearing each end 24 o c. 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. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed.

Boards require a minimum of two nails per truss while sheathing requires six nails due to face width and nail spacing. 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. Spacing a live load deflection limited to l 240 maximum and use lumber properties as follows. Spaced sheathing or 1x.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Allowable spans for 2x4 top chord trusses using sheathing other than plywood e g. Table r803 2 2 specifies the minimum sheathing thickness for framing spaced 24 inches on center based on exposure category and wind speed. While ring shank nails are still required the nail size depends on the sheathing thickness.

It will support roof. These standards are as follows.