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Joints, seams and penetrations of grease ducts.

Municipal Code of Chicago § 18-28-506.3.3
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18-28-506.3.3 Joints, seams and penetrations of grease ducts. Joints, seams and penetrations of grease ducts shall be made with a continuous liquid-tight weld or braze made on the external surface of the duct system.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687277Fetched: 10/24/2026

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18-28-506.3.3 | Corpus