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Materials.

Municipal Code of Chicago § 18-28-512.2
in effect
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18-28-512.2 Materials. Subslab soil exhaust system duct material shall be air duct material listed and labeled to the requirements of UL 181 for Class 0 air ducts, or any of the following piping materials that comply with the Chicago Plumbing Code as building sanitary drainage and vent pipe: cast iron; galvanized steel; copper or copper-alloy pipe or tube; and plastic piping. (Amend Coun. J. 9-14-21, p. 35949, Art. V, § 25)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687523Fetched: 10/24/2026

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18-28-512.2 | Corpus