Roof Sheathing Thickness

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 thickness.

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 design. Spacer type panel edge clips are available from some manufacturers. That s considered to be the minimum. 8d ring shank nails should be used instead.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. 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. If you re in search of quotes for a roof sheathing job improvenet can put you in touch with up to four local contractors for free. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.

Comes in standard 4 by 8 foot sheets is strong. Never attach roof sheathing with staples. The typical thickness range for sheathing is 3 8 to 3 4 inch. 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.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. If your roof is more on the flatter side then it s. 1 inch 25 4 mm.

Sheathing should be a minimum of 19 32 inch thick. Scroll down 01. Roof sheathing materials plywood.