1104.7 Doors—General

Except where modified by Section 1008.1.2, doors shall be of the side-hinged swing type. Doors shall swing in the direction of egress travel when serving an occupant load of 50 or more persons. The minimum width of each door opening shall be sufficient for the occupant load thereof. Locks and latches shall comply with Sections 1008.1.9 through 1008.1.11.4.

Except where modified by this section, each required means of egress door shall comply with the minimum dimensions specified herein. Doors shall provide a clear width of not less than 28 inches (711 mm). Where this section requires a minimum clear width of 28 inches (711 mm) and a door opening includes two door leafs without a mullion, one leaf shall provide a clear opening width of 28 inches (711 mm). The maximum width of a swinging door leaf shall be 48 inches (1219 mm) nominal. The height of doors shall not be less than 80 inches (2032 mm).

Door openings to storage closets less than 10 square feet (0.93 m²) in area shall not be limited by the minimum width.

Width of door leafs in revolving doors shall not be limited.

Door openings within a dwelling unit are permitted to be 78 inches (1981 mm) in height.

Exit access doors serving a room not larger than 70 square feet (6.5 m²) are permitted to be 24 inches (610 mm) in door width.

The minimum clear width for doors in the means of egress from hospitals; nursing homes; limited-care facilities; psychiatric hospital sleeping rooms; and diagnostic and treatment areas, such as x-ray, surgery, or physical therapy, shall be not less than 32 inches (810 mm) wide. Existing 34-inch (865 mm) doors shall be permitted. Existing 28-inch (710 mm) corridor doors in facilities where the fire plans do not require evacuation by bed, gurney, or wheelchair shall be permitted.