Plywood Roof Sheathing Thickness

Many factors affect thickness.

Plywood roof sheathing thickness.

The thickness of plywood used for roof decking depends on the roof slope the spacing of. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. A flatter roof with rafters farther apart may need a thickness of up to inch. That s considered to be the minimum.

Plywood is made with three or more layers of thin wood glued together with the grain. Avoid roof complaints with proper framing sheathing and roofing techniques. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Plywood subflooring 3 8 plywood plywood roof sheathing 3 4 plywood 4x8 3 4 sheathing plywood 48 24 sheathing plywood.

Several factors must be considered when determining appropriate roof sheathing thickness such as the. This video may depict some work practices that do not meet current safety standards. Always ensure your work site is compliant with current osha regulations. That s considered to be the minimum.

The minimum plywood for roofing plywood is layers of wood. Keep in mind that the load of the roof still plays a role in the plywood thickness. 1 inch 25 4 mm. Required sheathing thickness for roofing important factors.

Produced by apa the engineered wood association formerly the american plywood association in 1989. This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load. Minimum plywood thickness the international residential code specifies 3 8 inch plywood for sheathing walls with a standard stud spacing of 16 inches if the siding is nailed to the studs through. When this is the case experts recommend a 5 8 inch thick sheet.