Standard Size Plywood For Roofing

A standard sheet of plywood is 4 8.

Standard size plywood for roofing.

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

Another issue that many people encounter is what size plywood the roof may need. Knowing this number can help you determine how many sheets of plywood you need for your roof. 1 8 inch 7 64 inches. These project panels help eliminate waste cut costs and are easier to transport than full size panels.

This will give you the total number of sheets to buy. This is because after it s manufactured plywood shrinks as it dries. 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.

We also carry pre cut project panels that are available in different sizes that may vary by store. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. How many square feet are there in a 4 8 sheet of plywood. This kind of plywood can be used on roofs with minimal load.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. It will support roof. Steeper rather than flatter roofs will have lesser load per sq. You need to measure your roof using a tape measure.

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. The minimum thickness of plywood used for roofing is 3 8 th of an inch. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

In this case a 4 8 sheet of plywood is 32 square feet. You just need to multiply the length by the width.