On the upcodes website.
Required thickness of roof sheathing in n c.
Sheathing should be a minimum of 19 32 inch thick.
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.
Contains sections covering roof framing roof sheathing and roof ventilation.
North carolina state building code.
Roof intersections at gutters wherever there is a change in roof slope or direction and around roof openings.
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.
Roofing criteria state of north carolina pat mccrory governor department of administration kathryn johnston.
Never attach roof sheathing with staples.
Alternative design pressures may be determined by using the north carolina building code asce 7 or the international building code.
Roof sheathing material must be coordinated with the roofing itself since each type of roofing has special requirements.
2018 international residential code.
It does not modify the requirements of the building code.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
It is a great choice for your roof using clips.
There is no reason other than the roof receiving slate to use 3 4 cdx.
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.
Oc rafters plywood is really a thing of the past.
As an example of what you can find in chapter 8 of the 2018 irc see.
Plywood thickness for 24 quot.
Where the roof sheathing is less than 3 4 inch 19 mm thick the.
Energy conservation code ncecc 301 n.
Where flashing is of metal the metal shall be corrosion resistant withathicknessofnotlessthan0 019inch 0 483mm no.
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.
8d ring shank nails should be used instead.
Anyone who thumbs their nose at osb has never used advantec 1 2 osb.
At exposed roof overhangs the sheathing must be rated for exposure to the weather.
On the upcodes website.
2006 north carolina building code 237.
It s a waste of money and resources.
