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Sauna room.

Municipal Code of Chicago § 18-28-914.5
in effect
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18-28-914.5 Sauna room. A ventilation operating into the sauna room shall be provided. The opening shall be not less than 4 inches by 8 inches (102 mm by 203 mm) located near the top of the door into the sauna room.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688217Fetched: 10/24/2026

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18-28-914.5 | Corpus