Attic Access Requirements Building Code

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.

Attic access requirements building code.

The ontario building code access 9 19 2 1. 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. Attic stair railing guardrail landing tread and step specifications codes. Other building codes discussing attic stair construction regulations.

See the california mechanical code for access requirements where mechanical equipment is located in attics. See section m1305 1 3 for access requirements where mechanical equipment is located in attics. To convert your attic to living space you cannot provide access via a ladder. Section r807 attic access r807 1 attic access.

What is the requirement for attic access and attic stairways. Bajnai chesterfield county va icc building code action committee revise as follows. Attic pull down stair hazards basement hazards. Conventional or home made stairways defects.

2012 iecc irc stair code review pdf of attic access requirements includes discussion of compliance with the 2012 iecc energy code for insulation and air sealing for attics for conditioned and unconditioned space separation. Solutions for the new code requirements r 42 attic access hatch exceeds all code requirements 22x30 pre finished white wood frame trim e zh t h triple gasketed air tight seal z hatch mark d. Access 1 everyattic or roof space shall be provided with an access hatch where the attic or roof space a measures not less than i 10 m in area ii 1 000 mm in length or width and iii 600 mm in height over at least the area described in subclauses i and ii or. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and that have a vertical height of 30 inches.

Defective unsafe folding stairs pull down. 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. The ontario building code attic or roof space access 3 6 4 4. Attic or roof space access 1 an attic or roof space more than 600 mm high shall be provided with access from the floor immediately below by a hatchway not less than 550 mm by 900 mm or by a stairway.