Plywood Sheathing For Roof Dimensions

Plytanium 15 32 cat ps1 09 square structural pine sheathing application as 4 x 8.

Plywood sheathing for roof dimensions.

Fasten roof sheathing panels properly fasten panels with a minimum of 8d common 0 131 inch by 2 1 2 inch nails spaced a maximum of 6 inches on center at supported panel ends and edges. For pricing and availability. A flatter roof with rafters farther apart may need a thickness of up to inch. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for.

It adds proven performance and durability to new homes room additions and renovations. Sheathing sizes osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load. Severe weather 1 2 in common southern yellow pine plywood sheathing application as 4 x 8. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

Sheathing should be a minimum of 19 32 inch thick. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. These project panels help eliminate waste cut costs and are easier to transport than full size panels. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

8d ring shank nails should be used instead. That s considered to be the minimum. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance. Never attach roof sheathing with staples.

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. Since anyone using plywood as sheathing will usually use 1 2 also 2 3rds of a perm according to code all sheathing is a type ii vapour retarder the same classification given to 6 mil polyethylene. When this is the case experts recommend a 5 8 inch thick sheet. The typical thickness range for sheathing is 3 8 to 3 4 inch.

The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. It will support roof. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.