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Municipal Code of Chicago § 18-28-805.4
in effect
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18-28-805.4 Support. Where factory-built chimneys are supported by structural members, such as joists and rafters, such members shall be designed to support the additional load.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687943Fetched: 10/24/2026

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18-28-805.4 | Corpus