Standard Roof Sheathing Thickness

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

Standard 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. Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred. The typical thickness range for sheathing is 3 8 to 3 4 inch. Sheathing should be a minimum of 19 32 inch thick.

Roof will be fully vented. My cabin trusses will be 24 oc and i will use either 1 2 or 5 8 osb sheathing and a standing seam metal roof. 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. An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof.

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. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. In other words you don t want to have 3 8 above the 1 2 because it will create a ridge that water will settle in. 1 inch 25 4 mm.

Roof sheathing materials plywood. Comes in standard 4 by 8 foot sheets is strong. Can someone direct me to blogs or q a titles that address roof sheathing thickness. If you absolutely must use different thickness sheathing replace all of the plywood above the one that needs to be replaced to the ridge of the roof.

And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity. 8d ring shank nails should be used instead. Minimum plywood thickness the international residential code specifies 3 8 inch plywood for sheathing walls with a standard stud spacing of 16 inches if the siding is nailed to the studs through. Never attach roof sheathing with staples.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. The roofer wants to grind the nails but i m afraid the shingle warranty will be void if that happens. Standard thickness of roof sheathing in phoenix my problem is that i have nails protuding through the soffit of my home after getting my roof replaced. 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.