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 size code.
And standard ceiling openings of 22 5 in.
If the access is located in the ceiling the minimum unobstructed headrom above the opening must be 30 inches measured vertically at some point over the access.
Minimum opening size 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 type of attic access determines the means you can install for entrance into the attic.
Building codes according to the 2006 international residential code r807 1 attic access homes with combustible materials in the ceiling and roof construction must have an access to attic areas that exceeds 30 square feet and with a vertical height of.
To convert your attic to living space you cannot provide access via a ladder.
The access opening should be located in a hallway or other readily accessible location and minimum 22 x 30.
Built for safety this sturdy wood ladder makes it easy to access your attic with nine non slip steps and a convenient handrail for support while climbing.
For smaller attic openings with a minimum measurement of 18 x 24 you will need to measure the swing clearance inside the attic space.
Weight capacity designed to fit ceiling heights from 8 ft.
What your attic probably does not have is a set of code compliant stairs.
See the california mechanical code for access requirements where mechanical equipment is located in attics.
Here s the full text of the code.
These specs are per r807 1 of the international residential code irc and the residential edition of the florida building code fbc.
If the attic space is smaller than these specs then an access hatch is not required.
The werner wood universal fit attic ladder features the werner wood universal fit attic ladder features a 250 lb.