Required Thickness Of Roof Sheathing In N C

8d ring shank nails should be used instead.

Required thickness of roof sheathing in n c.

N the highest uplift forces occur. Hvac insulation duct board duct liner external duct insulation flexible duct insulation accessories the source insulation intel. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 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.

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. Roofing components roofing insulation and cover boards adhesives cements and primers specialty roofing products fasteners and plates coatings. Wood structural panel roof sheathing shall be bonded by exterior glue. State construction office sco north carolina state building code.

Sheathing should be a minimum of 19 32 inch thick. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Never attach roof sheathing with staples. Mechanical code ncmc north carolina state building code.

Roofing design guidelines and policies low slope membrane roof 2016 page 7 b. Existing building code ncebc north carolina state building code. Building code ncsbc north carolina state building code. N sheathing loss is one of the most common structural failures in hurricanes.

The typical thickness range for sheathing is 3 8 to 3 4 inch.