Standard Size Plywood For Roofing

Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8.

Standard size plywood for roofing.

The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. You need to measure your roof using a tape measure. 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.

You should be prepared to have about 15 percent waste so multiply your figure by 1 15. It will support roof. Although standard plywood sheet sizes range from 1 4 to 3 4 inch thicknesses it s actually slightly thinner. Plywood typically comes in 4 8 ft.

Foot and with a maximum of spacing of 16 inches between rafters. 1 8 inch 7 64 inches. In this case a 4 8 sheet of plywood is 32 square feet. You just need to multiply the length by the width.

Sheet with varying thickness. The minimum thickness of plywood used for roofing is 3 8 th of an inch. Take the roof s total square footage and divide by 32. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

So when you are buying a standard utility grade sheet the actual size will be as follows. Fortunately this is one issue that has primarily been standardized by the industry. Another issue that many people encounter is what size plywood the roof may need. One 4 by 8 foot sheet of osb or plywood is 32 square feet.

A standard sheet of plywood is 4 8. How many square feet are there in a 4 8 sheet of plywood. Knowing this number can help you determine how many sheets of plywood you need for your roof. This kind of plywood can be used on roofs with minimal load.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Steeper rather than flatter roofs will have lesser load per sq.