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 required attic access.
The minimum size for an attic s access.
The access opening should be located in a hallway or other readily accessible location and minimum 22 x 30.
Attic ceiling attic access panel shall be fully attic drop down stair shall be fully interface gasketed and insulated gasketed and insulated energy star does not supersede code requirements mark d.
One way is by working within the home s existing footprint and converting the attic into living space.
See section m1305 1 3 for access requirements where mechanical equipment is located in attics.
With full home additions costing 75 000 minimum and usually far higher many homeowners search for creative ways to increase living space without overly decreasing their bank account.
The other is minimum for attics containing appliances and this latter one is more restrictive as it also includes where such dimensions are large enough to allow removal of the largest appliance meaning that the opening may actually be required to be.
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.
If the attic space is smaller than these specs then an access hatch is not required.
The rough framed opening must be a minimum of 22 inches by 30 inches.
One is a minimum for any attic which has the required 30 headroom vertical height.
Attic access panels serve as an important safety and convenience feature in the home.
Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members.
See the california mechanical code for access requirements where mechanical equipment is located in attics.
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.
These specs are per r807 1 of the international residential code irc and the residential edition of the florida building code fbc.