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Exterior wall envelope.

Municipal Code of Chicago § 14A-4-411.3.14
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14A-4-411.3.14 Exterior wall envelope. Construction documents for all buildings must describe the exterior wall envelope in sufficient detail to determine compliance with the Chicago Construction Codes. Construction documents must include details of the exterior wall envelope as required, including flashing, intersections with dissimilar materials, corners, end details, control joints, interactions at roof, eaves, or parapets, means of drainage, water-resistive membrane, and details around openings.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2661331Fetched: 10/24/2026

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14A-4-411.3.14 | Corpus