Standard Size Plywood For Roofing

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

Standard size plywood for roofing.

You need to measure your roof using a tape measure. A standard sheet of plywood is 4 8. Take the roof s total square footage and divide by 32. Steeper rather than flatter roofs will have lesser load per sq.

Fortunately this is one issue that has primarily been standardized by the industry. We also carry pre cut project panels that are available in different sizes that may vary by store. Although standard plywood sheet sizes range from 1 4 to 3 4 inch thicknesses it s actually slightly thinner. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet.

Knowing this number can help you determine how many sheets of plywood you need for your roof. These project panels help eliminate waste cut costs and are easier to transport than full size panels. You should be prepared to have about 15 percent waste so multiply your figure by 1 15. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

This is because after it s manufactured plywood shrinks as it dries. It will support roof. Another issue that many people encounter is what size plywood the roof may need. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

You just need to multiply the length by the width. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. One 4 by 8 foot sheet of osb or plywood is 32 square feet.

Plywood typically comes in 4 8 ft. In this case a 4 8 sheet of plywood is 32 square feet. So when you are buying a standard utility grade sheet the actual size will be as follows. How many square feet are there in a 4 8 sheet of plywood.

Foot and with a maximum of spacing of 16 inches between rafters. This kind of plywood can be used on roofs with minimal load.