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Roof penetrations.

Municipal Code of Chicago § 18-28-1502.5
in effect
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18-28-1502.5 Roof penetrations. Roof penetrations shall be flashed to prevent entry of water through the roof.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689295Fetched: 10/24/2026

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18-28-1502.5 | Corpus