2015 Irc Residential Roofing Decking

An approved underlayment for the applicable roof covering for maximum ultimate design wind speeds.

2015 irc residential roofing decking. The 2015 international residential code irc came out last june and the section specifically covering decks r507 is now up to 6 1 2 pages the 2012 irc only has 2 1 2 pages. 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. Prescriptive residential wood deck construction guide based on the 2015 international residential code where applicable provisions and details contained in this document are based on the international residential code irc bracketed text references applicable sections of the irc. 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 international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. As an advisor to the north american deck and railing association nadra i represented the decking industry at the code committee hearings in dallas at the end of april. Proper attic ventilation can be determined as follows. Shall be applied over all joints in the roof decking.

O 1 150th of the area of the attic space or o 1 300th of the area if equal amounts of soffit and upper ventilation exists. 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. The ibc and irc have specific requirements for roof construction where certain types of fire resistance rated walls that terminate at the underside of the roof decking. The new building code covers a lot more deck code construction information most of it very useful.

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. Significant residential code changes 2015 international residential code city of edmond the following list is not all inclusive but a list of the significant changes as determined by the edmond building and fire code services for the transition from the 2009 irc to the 2015 irc including the oubcc adopted code changes building. This year the 2015 edition of the international residential code is being developed. 1 4 4 roof decking and fire resistance rated walls.

Down to the roof deck see exceptions per 2015 irc for each type of roof covering.