2012 Irc Roof Sheathing Thickness

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.

2012 irc roof sheathing thickness.

Where the roof sheathing is. Where the roof sheathing is less than 3 4 inch 19 1 mm thick the nails. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Sheathing should be a minimum of 19 32 inch thick.

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. Never attach roof sheathing with staples. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. International residential code 2012 irc 2012.

Thickness or mineral surface roll roofing weighing a minimum of 77 pounds per 100 square feet 4 kg m 2. It brings together all building plumbing mechanical fuel gas energy and electrical provisions for one and two family residences. Cap flashing shall be. 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.

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. January 2012 code for residential buildings that creates minimum regulations for one and two family dwellings of three stories or less. 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. 8d ring shank nails should be used instead.