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.
Attic minimum height.
If the attic space is smaller than these specs then an access hatch is not required.
Further explanation of those factors that can limit the headroom of your finished attic and other code considerations are explored below.
Have a minimum opening height of at least 24 inches.
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.
Attic area exceeds 30 square feet and.
Summary of residential ceiling heights therefore in summary lets is recap the above information.
The rest can be less than 7 feet.
Have a sill height of no more than 44 inches above the attic floor level.
To extend old eight foot ceilings in a remodel aim for.
Know the difference between your ceiling and floor joists.
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.
The rough framed opening.
Have a minimum opening width of at least 20 inches.
To prevent homeowners from creating living space that does not allow occupants to stand up.
At least 50 of the usable floor space should have a ceiling height of 7 5 ft.
Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members.
The minimum finished ceiling height of living space varies from town to town but often falls between 6 8 and 7 6.
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.