2009 Irc Roof Sheathing

Fasteners for asphalt shingles shall be galvanized stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 2 67 mm shank with a minimum 3 8 inch diameter 9 5 mm head of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 1 mm into the roof sheathing.

2009 irc roof sheathing.

Or less roof fastening zone wind main sheathing to gable overhang velocity roof end wall framingg eaves 3 second panel 123 2 3 2 3. It brings together all building plumbing mechanical fuel gas energy and electrical provisions for one and two family residences. Roof sheathing fastening schedulea b c d e 8d common 0 131 x 2 1 2 inches or ring shank 0 135 x 2 1 2 inches except where noted for exposure b enclosed buildings roof framing spaced 24 inches o c. You would go to table r503 2 1 1 1 to determine minimum nominal panel thickness.

January 2009 code for residential buildings that creates minimum regulations for one and two family dwellings of three stories or less. Where the roof sheathing is less than 3 4 inch 19 1 mm thick the nails. If structural sheathing covers 25 percent or less of the exte rior insulating sheathing is not required where structural sheathing is used. Section r101 2 of the 2009 international residential code irc limits the use of conventional light frame con struction to detached one and two family dwellings and townhouses not greater than three stories and their accessory structures such as garages gazebos etc.

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. And for wood structural panel sheathing r803 2 2 allowable spans. According to 2009 irc table r803 1 minimum thickness of lumber roof sheathing. 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.

Where the roof sheathing is less than 3 4 inch 19 mm thick the. 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.