How Thick Is Roof Sheathing

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

How thick is roof sheathing.

That s considered to be the minimum. Never attach roof sheathing with staples. Get free estimates from local roofing contractors. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels.

Sheathing should be a minimum of 19 32 inch thick. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. 8d ring shank nails should be used instead. This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load. Roof sheathing panel spacing hints.

Spacer type panel edge clips are available from some manufacturers.