Required Thickness Of Roof Sheathing In N C

It is a great choice for your roof using clips.

Required thickness of roof sheathing in n c.

Plywood thickness for 24 quot. Oc rafters plywood is really a thing of the past. It s a waste of money and resources. 2006 north carolina building code 237.

Roof sheathing material must be coordinated with the roofing itself since each type of roofing has special requirements. As an example of what you can find in chapter 8 of the 2018 irc see. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 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.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Energy conservation code ncecc 301 n. 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. Where flashing is of metal the metal shall be corrosion resistant withathicknessofnotlessthan0 019inch 0 483mm no.

On the upcodes website. It does not modify the requirements of the building code. Never attach roof sheathing with staples. 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.

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. H clips provide additional stiffness between bearing points for the unsupported edges of wood panel plywood or osb roof sheathing along with the necessary 1 8 gap for expansion as shown below illustrated on a bag of simpson h clips. Roof intersections at gutters wherever there is a change in roof slope or direction and around roof openings. Contains sections covering roof framing roof sheathing and roof ventilation.

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. There is no reason other than the roof receiving slate to use 3 4 cdx. Roofing criteria state of north carolina pat mccrory governor department of administration kathryn johnston. North carolina state building code.

Alternative design pressures may be determined by using the north carolina building code asce 7 or the international building code. Where the roof sheathing is less than 3 4 inch 19 mm thick the. 2018 international residential code. 8d ring shank nails should be used instead.

On the upcodes website.