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Required thickness.

Municipal Code of Chicago § 18-28-1204.2
in effect
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18-28-1204.2 Required thickness. Hydronic piping shall be insulated to the thickness required by the Chicago Energy Conservation Code. (Amend Coun. J. 9-14-21, p. 35949, Art. XII, § 3)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689065Fetched: 10/24/2026

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