Roof Thickness Plywood

The standard width is 4 feet.

Roof thickness plywood.

It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. The thickness of plywood used for roof decking depends on the roof slope the spacing of. In this case plywood should be a minimum of 3 8 inch thick.

With edge support and the same snow load 3 8 inch osb can be used. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner. Plywood typically comes in 4 8 ft. Required dimensions of plywood for roofing.

We also carry pre cut project panels that are available in different sizes that may vary by store. Many factors affect thickness. Plywood is made with three or more layers of thin wood glued together with the grain. Sheet with varying thickness.

However you may need to consider bolstering the plywood thickness for a roof that has a higher load. Foot and with a maximum of spacing of 16 inches between rafters. A 3 4 sheet is actually 23 32 thick. This kind of plywood can be used on roofs with minimal load.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. The minimum plywood for roofing plywood is layers of wood. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof.

The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch. A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet. You can get plywood sheets with a length of up to 10 feet.

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