Roof Sheathing Thickness Ohio

Wood structural panel roof sheathing in accordance with table 503 2 1 1 1 shall not cantilever more than 9 inches 229 mm beyond the gable endwall unless supported by gable overhang framing.

Roof sheathing thickness ohio.

Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. The cap nail shank shall be not less than 0 083 inch 2 11 mm for ring shank cap nails and 0 091 inch 2 31 mm for smooth shank cap nails. Fasteners shall comply with astm f 1667. Fasteners for photovoltaic shingles shall be galvanized stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 2 67 mm shank with a minimum 3 8 inch diameter 9 5 mm head of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 1 mm into the roof sheathing.

Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick. 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. Allowable spans for lumber floor and roof sheathing a b for si. The typical thickness range for sheathing is 3 8 to 3 4 inch.

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. Can someone direct me to blogs or q a titles that address roof sheathing thickness. The cap nail shank shall be a minimum of 12 gage 0 105 inch 2 67 mm with a length to penetrate through the roof sheathing or a minimum of 3 4 inch 19 1 mm into the roof sheathing. 1 inch 25 4 mm.

A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather. That s considered to be the minimum. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. Loads will vary with the.

8d ring shank nails should be used instead. Where the roof sheathing is less than 3 4 inch 19 1 mm thick the nails shall penetrate through the sheathing. Section 804 cold formed steel roof framing. Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred.

As an alternative adhered underlayment complying with astm d1970 shall be permitted. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than 3 4 inch 19 mm into the roof sheathing. 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.

Never attach roof sheathing with staples. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. Sheathing should be a minimum of 19 32 inch thick.