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Termination above the roof.

Municipal Code of Chicago § 18-28-506.3.13.1
in effect
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18-28-506.3.13.1 Termination above the roof. Exhaust outlets that terminate above the roof shall have the discharge opening located not less than 40 inches (1016 mm) above the roof surface.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687327Fetched: 10/24/2026

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18-28-506.3.13.1 | Corpus