How Thick Is Roof Sheathing

The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing.

How thick is roof sheathing.

8d ring shank nails should be used instead. Spacer type panel edge clips are available from some manufacturers. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

That s considered to be the minimum. Get free estimates from local roofing contractors. 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. Never attach roof sheathing with staples.

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. 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. Roof sheathing panel spacing hints.

The typical thickness range for sheathing is 3 8 to 3 4 inch.