Roofing Plywood Dimensions

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

Roofing plywood dimensions.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Steeper rather than flatter roofs will have lesser load per sq. Plywood typically comes in 4 8 ft.

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. Foot and with a maximum of spacing of 16 inches between rafters. We also carry pre cut project panels that are available in different sizes that may vary by store. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

Required dimensions of plywood for roofing. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. 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. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

The standard width is 4 feet. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. This kind of plywood can be used on roofs with minimal load.

These project panels help eliminate waste cut costs and are easier to transport than full size panels. Keep in mind that the load of the roof still plays a role in the plywood thickness. Sheet with varying thickness. It will support roof.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. When this is the case experts recommend a 5 8 inch thick sheet.