Required Thickness Of Roof Sheathing In N C

Wood structural panel roof sheathing shall be bonded by exterior glue.

Required thickness of roof sheathing in n c.

Roof sheathing installation key issues n insufficient fastening can lead to total building failure in a windstorm. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Never attach roof sheathing with staples. N fastener spacing and size requirements for coastal construction are typically different than for non coastal areas.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Roofing design guidelines and policies low slope membrane roof 2016 page 7 b. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch diameter 9 5 mm head complying with astm f1667 of a length to penetrate through the roofing materials and not less than 3 4 inch 19 1 mm into the roof sheathing.

State construction office sco north carolina state building code. Existing building code ncebc north carolina state building code. Sheathing should be a minimum of 19 32 inch thick. Building code ncsbc north carolina state building code.

N sheathing loss is one of the most common structural failures in hurricanes. Mechanical code ncmc north carolina state building code. Roof sheathing conforming to the provisions of table 2304 7 1 2304 7 2 2304 7 3 or 2304 7 5 shall be deemed to meet the requirements of this section. 8d ring shank nails should be used instead.

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