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2111.11 Hearth Extension Dimensions
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Hearth extensions shall extend not less than 16 inches (406 mm) in front of, and not less than 8 inches (203 mm) beyond, each side of the fireplace opening. Where the fireplace opening is 6 square feet (0.557 m2) or larger, the hearth extension shall extend not less than 20 inches (508 mm) in front of, and not less than 12 inches (305 mm) beyond, each side of the fireplace opening.
Related Code Sections
2111.11 Masonry, Hearth Extension Dimensions
Hearth extensions shall extend not less than 16 inches (406 mm) in front of, and not less than 8 inches (203 mm) beyond, each side of the fireplace ...
Building Code 2021 of Illinois > 21 Masonry > 2111 Masonry Fireplaces > 2111.11 Hearth Extension Dimensions
2111.11 Masonry, Hearth Extension Dimensions
Hearth extensions shall extend not less than 16 inches (406 mm) in front of, and not less than 8 inches (203 mm) beyond, each side of the fireplace ...
Building Code 2018 of Illinois > 21 Masonry > 2111 Masonry Fireplaces > 2111.11 Hearth Extension Dimensions
2111.10.1 Masonry, Hearth Thickness
The minimum thickness of fireplace hearths shall be 4 inches (102 mm) ...
Building Code 2018 of Illinois > 21 Masonry > 2111 Masonry Fireplaces > 2111.10 Hearth and Hearth Extension > 2111.10.1 Hearth Thickness
1023.3.1 Means of Egress, Extension
Separation between an interior exit stairway or ramp and the exit passageway extension shall not be required where there are no openings ...
Building Code 2021 of Illinois > 10 Means of Egress > 1023 Interior Exit Stairways and Ramps > 1023.3 Termination > 1023.3.1 Extension
1023.3.1 Means of Egress, Extension
Separation between an interior exit stairway or ramp and the exit passageway extension shall not be required where there are no openings ...
Building Code 2018 of Illinois > 10 Means of Egress > 1023 Interior Exit Stairways and Ramps > 1023.3 Termination > 1023.3.1 Extension