Standard Size Plywood For Roofing

Foot and with a maximum of spacing of 16 inches between rafters.

Standard size plywood for roofing.

In this case a 4 8 sheet of plywood is 32 square feet. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. This will give you the total number of sheets to buy. So when you are buying a standard utility grade sheet the actual size will be as follows.

Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8. A standard sheet of plywood is 4 8. You just need to multiply the length by the width. This kind of plywood can be used on roofs with minimal load.

We also carry pre cut project panels that are available in different sizes that may vary by store. You need to measure your roof using a tape measure. Another issue that many people encounter is what size plywood the roof may need. Plywood typically comes in 4 8 ft.

Although standard plywood sheet sizes range from 1 4 to 3 4 inch thicknesses it s actually slightly thinner. Fortunately this is one issue that has primarily been standardized by the industry. Steeper rather than flatter roofs will have lesser load per sq. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

It will support roof. Take the roof s total square footage and divide by 32. How many square feet are there in a 4 8 sheet of plywood. 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. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Sheet with varying thickness. You should be prepared to have about 15 percent waste so multiply your figure by 1 15.

One 4 by 8 foot sheet of osb or plywood is 32 square feet. This is because after it s manufactured plywood shrinks as it dries.