Flat Roof Plywood Thickness

Steeper rather than flatter roofs will have lesser load per sq.

Flat roof plywood thickness. The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an inch. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. For pricing and availability. The standard width is 4 feet.

Foot and with a maximum of spacing of 16 inches between rafters. 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. In this case plywood should be a minimum of 3 8 inch thick. However you may need to consider bolstering the plywood thickness for a roof that has a higher load.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick. 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. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

You can get plywood sheets with a length of up to 10 feet. Roofs plywood. For pricing and availability. 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.

That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Plytanium 3 8 cat. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. Loads will vary with the.