Plywood Roof Size

Tolerance for utility grade thickness is 1 32 inch and for cabinet grade plywood 1 64 inch.

Plywood roof size.

The industry offers a thickness of anywhere from 5 16 inch to inch. The spacing of the rafter. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. What size plywood for the roof.

Its size tolerances especially for thickness are smaller that those for the utility grade plywood used in the building trades for roof and wall sheathing subfloors and general use purposes. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. 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 and roof design. Plywood is usually sold by the sheet but in some rare cases it may be sold by the board foot.

Snowfall and ice accumulation can affect the load put on a roof. We also carry pre cut project panels that are available in different sizes that may vary by store. For the less standard 20 inch apart rafters plywood with inch or 5 8 th inch thickness can be used. What size plywood should you use for your roof.

These project panels help eliminate waste cut costs and are easier to transport than full size panels. However 3 4 th inch plywood is also used for a roofing system that has a heavier load. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. Our plywood calculator can estimate the number of 4 x 8 sheets needed for a project.

Find plywood sheathing plywood at lowe s today. So what size plywood should you use for your roof. Another issue that many people encounter is what size plywood the roof may need. There are several factors to consider.

The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet.