Flat Roof Plywood Thickness

However you may need to consider bolstering the plywood thickness for a roof that has a higher load.

Flat roof plywood thickness.

This kind of plywood can be used on roofs with minimal load. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick. Loads will vary with the. With edge support and the same snow load 3 8 inch osb can be used.

Steeper rather than flatter roofs will have lesser load per sq. An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof. Plytanium 3 8 cat. For pricing and availability.

The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an inch. The standard width is 4 feet. Standard roof sheathing which consists of 4 by 8 sheets of plywood or oriented strand board or osb is 1 2 inch thick and attaches directly to the roof rafters or the roof trusses. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

Roofs plywood. Woodwool slabs are a rigid timber and cement based panels which can be reinforced if long spans are required. For pricing and availability. Foot and with a maximum of spacing of 16 inches between rafters.

Woodwool slabs should be no less than 50mm thick and conform to bs en 13168. 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.