2012 Irc Roof Sheathing Thickness

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.

2012 irc roof sheathing thickness.

January 2012 code for residential buildings that creates minimum regulations for one and two family dwellings of three stories or less. 8d ring shank nails should be used instead. International residential code 2012 irc 2012. It brings together all building plumbing mechanical fuel gas energy and electrical provisions for one and two family residences.

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. Cap flashing shall be. Thickness or mineral surface roll roofing weighing a minimum of 77 pounds per 100 square feet 4 kg m 2. Sheathing should be a minimum of 19 32 inch thick.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 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. Where the roof sheathing is. 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.

The typical thickness range for sheathing is 3 8 to 3 4 inch. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. 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.