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§ 18-28-604.13 — Internal insulation

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-28-604.13

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18-28-604.13 Internal insulation.

Materials used in ducts as internal insulation and exposed to the airstream shall be durable when tested in accordance with UL 181.

§ 18-28-604.13 — Internal insulation | Chicago, IL — Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) | Corpus