Required Thickness Of Roof Sheathing In N C

2006 north carolina building code 237.

Required thickness of roof sheathing in n c.

Sheathing should be a minimum of 19 32 inch thick. Plywood thickness for 24 quot. Oc rafters plywood is really a thing of the past. Where flashing is of metal the metal shall be corrosion resistant withathicknessofnotlessthan0 019inch 0 483mm no.

Anyone who thumbs their nose at osb has never used advantec 1 2 osb. 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 10 mm diameter head astm f 1667 of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 mm into the roof sheathing. Never attach roof sheathing with staples. For doors in a structure with a roof slope of 10 degrees 2 12 or less from the horizontal the pressures from this table may be multiplied by 0 90.

As an example of what you can find in chapter 8 of the 2018 irc see. It s a waste of money and resources. Roof sheathing material must be coordinated with the roofing itself since each type of roofing has special requirements. Where the roof sheathing is less than 3 4 inch 19 mm thick the.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Alternative design pressures may be determined by using the north carolina building code asce 7 or the international building code. On the upcodes website. At exposed roof overhangs the sheathing must be rated for exposure to the weather.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. It is a great choice for your roof using clips. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Energy conservation code ncecc 301 n.

The typical thickness range for sheathing is 3 8 to 3 4 inch. There is no reason other than the roof receiving slate to use 3 4 cdx. The everyday sheathing used on the body of a roof is not rated for weather exposure so when exposed eaves and or rakes occur at the. 2018 international residential code.

Roof intersections at gutters wherever there is a change in roof slope or direction and around roof openings. 8d ring shank nails should be used instead. Roofing criteria state of north carolina pat mccrory governor department of administration kathryn johnston. North carolina state building code.

On the upcodes website.