Flat Roof Plywood Thickness

Loads will vary with the.

Flat roof plywood thickness. Woodwool slabs are a rigid timber and cement based panels which can be reinforced if long spans are required. 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. With edge support and the same snow load 3 8 inch osb can be used. 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. However you may need to consider bolstering the plywood thickness for a roof that has a higher load. Steeper rather than flatter roofs will have lesser load per sq. For pricing and availability.

Plytanium 3 8 cat. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Foot and with a maximum of spacing of 16 inches between rafters. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

This kind of plywood can be used on roofs with minimal load. You might be tempted to choose a inch thickness although it s unnecessary in most cases. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8.

For pricing and availability. In this case plywood should be a minimum of 3 8 inch thick. Roofs plywood. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof. 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. The standard width is 4 feet.