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Opening protectives.

Municipal Code of Chicago § 18-28-1106.4
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18-28-1106.4 Opening protectives. Opening protection between the machinery room and other occupied spaces shall be approved, self-closing, tight-fitting fire doors with a minimum fire-resistance rating of hour.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688888Fetched: 10/24/2026

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18-28-1106.4 | Corpus