Roof Thickness Plywood

In this case plywood should be a minimum of 3 8 inch thick.

Roof thickness plywood.

Required dimensions of plywood for roofing. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch. However you may need to consider bolstering the plywood thickness for a roof that has a higher load.

Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. This kind of plywood can be used on roofs with minimal load. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner. The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet.

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. 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. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. The minimum plywood for roofing plywood is layers of wood.

The thickness of plywood used for roof decking depends on the roof slope the spacing of. We also carry pre cut project panels that are available in different sizes that may vary by store. You might be tempted to choose a inch thickness although it s unnecessary in most cases. What is the actual thickness of a sheet of plywood.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. Many factors affect thickness. Steeper rather than flatter roofs will have lesser load per sq. Sheet with varying thickness.

Plywood is made with three or more layers of thin wood glued together with the grain. Foot and with a maximum of spacing of 16 inches between rafters. A 3 4 sheet is actually 23 32 thick. Plywood typically comes in 4 8 ft.

The standard width is 4 feet.