Legal Attic Ceiling Height

Attic spaces can be provided by having rooms with slanting roofs.

Legal attic ceiling height.

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 minimum ceiling height specification for non habitable rooms is 2 1m. The minimum ceiling height in rooms with sloped ceilings such as a finished attic space is 7 feet over at least 50 percent of the room area. To pass code there must be at least 70 square feet where the ceiling height is 5 feet or.

This leeway comes in handy to providing extra space above with the only caveat being that the slanting roof must have 2 3 of its height no less than the standard 2 2m. Level ceilings must be at least 7 feet high and at least 6 feet 4 inches under beams ducts and other obstructions. Showers and tubs with showerheads must have a 30 inch by 30 inch area that has a ceiling height of no less than 6 feet 8 inches at the showerhead. Habitable spaces that have a sloped ceiling shall at no point have a ceiling height less than 5 feet and no less than 50 of the floor area shall have a ceiling height less than 7 feet.

There is no height restriction under stairs. Attics lofts and low ceilings. The rough framed opening. Examples of these are the bathroom hallway and garages etc.

The rest can be less than 7 feet. Although it is common to be 2 4m in these areas. In an attic room with a sloping ceiling or projection below ceiling line or non habitable room or similar a height that does not unduly interfere with the proper functioning of the room or space. To prevent homeowners from creating living space that does not allow occupants to stand up.

Habitable attic space must satisfy the same requirements that govern rooms in the rest of the house. In a stairway 2 0m measured vertically above the nosing line. If a room has a sloped ceiling at least one half of the finished floor area must have a ceiling height of at least 7 feet. Room area is this case is calculated as the total floor space with walls at least 5 feet tall.

At least 50 of the usable floor space should have a ceiling height of 7 5 ft. If a room has a sloping ceiling which is common in attics at least 50 percent of the room area must have a 7 foot ceiling.