Standard Roof Sheathing Thickness

Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred.

Standard roof sheathing thickness.

That s considered to be the minimum. Sheathing should be a minimum of 19 32 inch thick. 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.

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 roofer wants to grind the nails but i m afraid the shingle warranty will be void if that happens. And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

8d ring shank nails should be used instead. 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. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. 1 inch 25 4 mm.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Never attach roof sheathing with staples. Can someone direct me to blogs or q a titles that address roof sheathing thickness. 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.

Roof will be fully vented. 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. Roof sheathing materials plywood. Comes in standard 4 by 8 foot sheets is strong.

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 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. 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. The cabin is just 440 sf and is in zone 6.