Attic Access Requirements Irc

R807 1 1 attic service access.

Attic access requirements irc.

Chapter 10 city amendment. Attics containing appliances or mechanical equipment service shall be accessible by pull down stairs. The 2009 and 2015 irc verbiage is similar and still applicable. The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.

The ventilation amount and opening size requirements can be found in section 806 roof ventilation of chapter 8 roof ceiling construction. When the access is located in a ceiling minimum unobstructed headroom in the attic space shall be 30 inches 762 mm at some point above the access measured vertically from the bottom of ceiling framing members. See the california mechanical code for access requirements where mechanical equipment is located in attics. You will also see that for smaller attic areas no access is required whatsoever in my view some access to all such limited space areas is desirable to permit visual inspection for leaks.

See section m1305 1 3 for access requirements where mechanical equipment is located in attics. The following are the requirements taken directly from the irc. When the access is located in a ceiling minimum unobstructed headroom in the attic space shall be 30 inches 762 mm at some point above the access measured vertically from the bottom of ceiling framing members. See section m1305 1 3 for access requirements where mechanical equipment is located in attics.

Please be aware of the definition and egress requirements of a habitable attic as it relates to dwellings built from the 2012 irc. Attics that meet the size and ceiling height criteria of the habitable attic definition in chapter 2 are considered habitable. Current international residential code irc 12 13 section r807 attic access. 16 georgia is bringing back a requirement that was previously an amendment to the 2006 irc which will now require attics containing appliances to be accessible by pull down stairs or other permanent stairs.

The majority of the requirements related to attic ventilation have not changed much from the previous editions. Where the access is located in a ceiling minimum unobstructed headroom in the attic space shall be 30 inches 762 mm at some point above the access measured vertically from the bottom of ceiling framing members. 30 x 22 however irc m1305 1 3 regarding the attic passageway access not attic access is not as clear because it uses two different dimensions in relation to the term opening used twice in the same paragraph.