Quickly locate sections across your jurisdiction. Tool Base: What is the Minimum Thickness of OSB for Roof Sheathing. For SI: 1 inch = 25.4 mm. ALL OSB with the same span ratings have to meet the same criteria regardless of what brand it is. Roof will be fully vented. be designed and installed in accordance with this code and the ... THICKNESS (INCHES) GAGE WEIGHT (lbs per sq ft) Copper 0.024 1 (16 oz) Aluminum 0.024 Stainless steel 28 ... 4 inch (19 mm) into the roof sheathing. Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. FS No. Minimum thickness of the outside edge of plastic caps shall be 0.035 inch. The Ontario Building Code | Thickness or Rating 9.23.15.7. Approved Admin Rules . Code calculators automatically generate a detailed list of requirements. 7.3.1 Roof Sheathing. Section R801 General. Section R802 Wood Roof Framing. R803.2 Wood Structural Panel Sheathing (Roof Online Note: This subsection covers plywood and OSB sheathing. Minimum Roof Sheathing Thickness (excerpt) Roof Sheathing Thickness Rafter/Truss Spacing 24 in. If asphalt shingles are installed over sheathing with gaps exceeding 1/4-inch, over time, these gaps may telegraph through and become visible. Section R801 General. Roof Sheathing Thickness. DM . Nails, size 8b, should be installed every 6 inches on edges and every 12 inches in the center area. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. ... the nails shall penetrate through the sheathing. Thickness or Rating (1) The thickness or rating of roof sheathing on a flat roof used as a walking deck shall conform to either Table 9.23.14.5.A. Roof decks shall be covered with approved roof coverings secured to the building or structure in accordance with the provisions of this chapter. Many homes have been severely Related State Statutes . ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. [Comment: When a reference is made within this rule to a federal statutory provision, an industry consensus standard, or any other technical publication, the specific date and title of the publication as well as the name and address of the promulgating agency are listed in rule 4101:8-44-01 of the Administrative Code. Adopted Building Codes . 2. edition of the Residential Code of New York State. Structural floor sheathing and structural roof sheathing shall comply with Sections 2304.7.1 and 2304.7.2, respectively. If 8d “common” nails are specified, the nail diameter must be at least 0.131 inch (wider than typical 8d pneumatic nails). Structural roof sheathing shall be designed in accordance with the general provisions of this code and the special provisions in this section. Roof decks shall be covered with approved roof coverings secured to the building or structure in accor-dance with the provisions of this chapter. (2) The thickness or rating of roof sheathing on a roof not used as a walking deck shall conform to either Table 9.23.15.7.A. code or matching the existing roof sheathing nailing, whichever is more restrictive. Roof sheathing comes in grid-marked 4-by-8-foot sheets, and should be installed perpendicular to the frame. code or matching the existing roof sheathing nailing, whichever is more restrictive. Roof sheathing comes in grid-marked 4-by-8-foot sheets, and should be installed perpendicular to the frame. Until that time, Reference Standard E-30 is to be utilized for selection of roof and floor plywood sheathing. Jump to Latest Follow 1 - 9 of 9 Posts ... hmmm, dunno code, but i'd be concerned about snow weight. Also covers wood panel (plywood, OSB) roof sheathing requirements.) Roof decks shall be covered with approved roof coverings secured to the building or structure in accordance with the provisions of this chapter.