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// CODE SNIPPET

1208.2 Minimum Ceiling Heights

Building Code 2021 of Illinois > 12 Interior Environment > 1208 Interior Space Dimensions > 1208.2 Minimum Ceiling Heights
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ILLUSTRATION
Occupiable spaces, habitable spaces and corridors shall have a ceiling height of not less than 7 feet 6 inches (2286 mm) above the finished floor. Bathrooms, toilet rooms, kitchens, storage rooms and laundry rooms shall have a ceiling height of not less than 7 feet (2134 mm) above the finished floor.
Exceptions:
  1. In one- and two-family dwellings, beams or girders spaced not less than 4 feet (1219 mm) on center shall be permitted to project not more than 6 inches (152 mm) below the required ceiling height.
  2. If any room in a building has a sloped ceiling, the prescribed ceiling height for the room is required in one-half the area thereof. Any portion of the room measuring less than 5 feet (1524 mm) from the finished floor to the ceiling shall not be included in any computation of the minimum area thereof.
  3. The height of mezzanines and spaces below mezzanines shall be in accordance with Section 505.2.
  4. Corridors contained within a dwelling unit or sleeping unit in a Group R occupancy shall have a ceiling height of not less than 7 feet (2134 mm) above the finished floor.

1208.2.1 Furred Ceiling

ILLUSTRATION
Any room with a furred ceiling shall be required to have the minimum ceiling height in two-thirds of the area thereof, but in no case shall the height of the furred ceiling be less than 7 feet (2134 mm).

Related Code Sections


1207.2 Interior Environment, Minimum Ceiling Heights
to the ceiling shall not be included in any computation of the minimum area thereof. The height of mezzanines and spaces below mezzanines shall ...
Building Code 2018 of Illinois > 12 Interior Environment > 1207 Interior Space Dimensions > 1207.2 Minimum Ceiling Heights
1208.2 Interior Environment, Minimum Ceiling Heights
to the ceiling shall not be included in any computation of the minimum area thereof. The height of mezzanines and spaces below mezzanines shall ...
Building Code 2021 of Illinois > 12 Interior Environment > 1208 Interior Space Dimensions > 1208.2 Minimum Ceiling Heights
1003.3.1 Means of Egress, Headroom
Protruding objects are permitted to extend below the minimum ceiling height required by Section 1003.2 where a minimum headroom of 80 inches (2032 mm ...
Building Code 2021 of Illinois > 10 Means of Egress > 1003 General Means of Egress > 1003.3 Protruding Objects > 1003.3.1 Headroom
1003.3.1 Means of Egress, Headroom
Protruding objects are permitted to extend below the minimum ceiling height required by Section 1003.2 where a minimum headroom of 80 inches (2032 ...
Building Code 2018 of Illinois > 10 Means of Egress > 1003 General Means of Egress > 1003.3 Protruding Objects > 1003.3.1 Headroom
801.3 Alterations—Level 2, Compliance
be required to comply with the provisions of Section 805.6. The minimum ceiling height of the newly created habitable and occupiable spaces ...
Existing Building Code 2018 of Illinois > 8 Alterations—Level 2 > 801 General > 801.3 Compliance
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