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Fire blocking and draft stopping.

Municipal Code of Chicago § 14X-5-502.3.1
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14X-5-502.3.1 Fire blocking and draft stopping. Required fire blocking and draft stopping in combustible concealed spaces must be maintained to provide continuity and integrity of the construction.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675642Fetched: 10/24/2026

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