Flat Roof Plywood Thickness

For pricing and availability.

Flat roof plywood thickness.

Plytanium 3 8 cat. Foot and with a maximum of spacing of 16 inches between rafters. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

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. With edge support and the same snow load 3 8 inch osb can be used. The standard width is 4 feet. Loads will vary with the.

However you may need to consider bolstering the plywood thickness for a roof that has a higher load. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof. For pricing and availability.

Steeper rather than flatter roofs will have lesser load per sq. The minimum thickness of plywood used for roofing is 3 8 th of an inch. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick.

You can get plywood sheets with a length of up to 10 feet. The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an 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. Woodwool slabs should be no less than 50mm thick and conform to bs en 13168.

This kind of plywood can be used on roofs with minimal load. In this case plywood should be a minimum of 3 8 inch thick. 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.