Required Thickness Of Roof Sheathing In N C

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Required thickness of roof sheathing in n c.

Roofing components roofing insulation and cover boards adhesives cements and primers specialty roofing products fasteners and plates coatings. The typical thickness range for sheathing is 3 8 to 3 4 inch. Building code ncsbc north carolina state building code. State construction office sco north carolina state building code.

N sheathing loss is one of the most common structural failures in hurricanes. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. N fastener spacing and size requirements for coastal construction are typically different than for non coastal areas.

Existing building code ncebc north carolina state building code. Roof sheathing installation key issues n insufficient fastening can lead to total building failure in a windstorm. Mechanical code ncmc north carolina state building code. Wood structural panel roof sheathing shall be bonded by exterior glue.

Never attach roof sheathing with staples. Sheathing should be a minimum of 19 32 inch thick. Hvac insulation duct board duct liner external duct insulation flexible duct insulation accessories the source insulation intel. N the highest uplift forces occur.

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.