Attic Minimum Height

Further explanation of those factors that can limit the headroom of your finished attic and other code considerations are explored below.

Attic minimum height.

To pass code there must be at least 70 square feet where the ceiling height is 5 feet or. Local codes may have stricter requirements so again be sure to check with your state and local regulations. Summary of residential ceiling heights therefore in summary lets is recap the above information. Have a minimum opening width of at least 20 inches.

To extend old eight foot ceilings in a remodel aim for. Attic area exceeds 30 square feet and. Have a sill height of no more than 44 inches above the attic floor level. To prevent homeowners from creating living space that does not allow occupants to stand up.

Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members. At least 50 of the usable floor space should have a ceiling height of 7 5 ft. The minimum ceiling height to beams girders ducts or other obstructions shall be no less than 6 feet 4 inches from the finished floor. The rest can be less than 7 feet.

Here s how to choose a ceiling height that s right for you. 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 rough framed opening. For new flat coffered tray or sloped ceilings go for a minimum of nine feet.

Have a minimum opening height of at least 24 inches. Know the difference between your ceiling and floor joists. The minimum finished ceiling height of living space varies from town to town but often falls between 6 8 and 7 6. If the attic space is smaller than these specs then an access hatch is not required.