2015 Irc Roof Framing

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.

2015 irc roof framing. 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. 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. Sheathing to wall framing 30. For roof live loads less than 20 pounds per square foot psf rafter spans and required e values tabulated for 20 psf shall be permitted to be adjusted in accordance with the fol lowing table.

Where the roof sheathing is less than 3 4 inch 19 1 mm thick the nails. Underlayment materials required to comply with astm d226 d1970 d4869 and d6757 shall bear a label indicating compliance to the standard. 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 residential code 2015 irc 2015 is a model code produced by the international code council icc.

Roof is covered with a minimum class c roof covering roof sheathing is noncombustible materials or approved fire retardant treated wood for a distance of 4 feet on each side of the wall or walls or one layer of 5 8 inch type x gypsum board is installed directly beneath the roof. Wood structural panels subfloor roof and interior wall sheathing to framing and particleboard wall sheathing to framing see table r602 3 3 for wood structural panel exterior wall. The 2015 wood frame construction manual wfcm for one and two family dwellings was developed by the american wood council s wood design standards committee and has been approved by ansi as an american national standard. 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.

International residential code 2015 irc 2015 part i administrative chapter 1 scope and administration. Underlayment for asphalt shingles clay and concrete tile metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter. The 2015 wfcm is referenced in the 2015 international building code and 2015 international residential code. For roof live loads of 12 psf or 16 psf.

The loads are based on adjusted roof snow loads from the governing building code. Section r602 wood wall framing section r301 design criteria section r311 means of egress section r802 wood roof framing section r403 footings section r502 wood floor framing r602 7 headers section r905 requirements for roof coverings.