Here s the full text of the code.
Attic access size code.
For smaller attic openings with a minimum measurement of 18 x 24 you will need to measure the swing clearance inside the attic space.
See the california mechanical code for access requirements where mechanical equipment is located in attics.
If the attic space is smaller than these specs then an access hatch is not required.
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The werner wood universal fit attic ladder features the werner wood universal fit attic ladder features a 250 lb.
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.
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.
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.
Your attic may presently have a fixed ladder a pull down ladder or no ladder at all.
And standard ceiling openings of 22 5 in.
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.
Weight capacity designed to fit ceiling heights from 8 ft.
The type of attic access determines the means you can install for entrance into the attic.
What your attic probably does not have is a set of code compliant stairs.
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.
The compact attic ladder requires a minimum height of 28 and minimum depth of 44 inside the attic above and behind the opening.