Roofing Plywood Dimensions

You might be tempted to choose a inch thickness although it s unnecessary in most cases.

Roofing plywood dimensions. This kind of plywood can be used on roofs with minimal load. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. Tolerance for utility grade thickness is 1 32 inch and for cabinet grade plywood 1 64 inch.

The standard width is 4 feet. Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. We also carry pre cut project panels that are available in different sizes that may vary by store. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Plywood typically comes in 4 8 ft. When this is the case experts recommend a 5 8 inch thick sheet. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet.

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. Foot and with a maximum of spacing of 16 inches between rafters. Steeper rather than flatter roofs will have lesser load per sq. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

These project panels help eliminate waste cut costs and are easier to transport than full size panels. Sheet with varying thickness. You can get plywood sheets with a length of up to 10 feet. Required dimensions of plywood for roofing.

It will support 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.