Attic Minimum Height

Habitable attic space must satisfy the same requirements that govern rooms in the rest of the house.

Attic minimum height.

Have a sill height of no more than 44 inches above the attic floor level. Attic area exceeds 30 square feet and. 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. If the attic space is smaller than these specs then an access hatch is not required.

To prevent homeowners from creating living space that does not allow occupants to stand up. To extend old eight foot ceilings in a remodel aim for. To pass code there must be at least 70 square feet where the ceiling height is 5 feet or. For new flat coffered tray or sloped ceilings go for a minimum of nine feet.

Here s how to choose a ceiling height that s right for you. The minimum ceiling height to beams girders ducts or other obstructions shall be no less than 6 feet 4 inches from the finished floor. Know the difference between your ceiling and floor joists. Living areas and hallways must have a ceiling height of 7 feet or more and bathrooms and laundry rooms must be at least 6 feet 8 inches tall.

Have a minimum opening width of at least 20 inches. The rest can be less than 7 feet. The minimum finished ceiling height of living space varies from town to town but often falls between 6 8 and 7 6. Have a minimum opening height of at least 24 inches.

Further explanation of those factors that can limit the headroom of your finished attic and other code considerations are explored below. Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members. Summary of residential ceiling heights therefore in summary lets is recap the above information. At least 50 of the usable floor space should have a ceiling height of 7 5 ft.