Exterior plaster.
Municipal Code of Chicago § 14B-25-2512
in effect14B-25-2512 Exterior plaster.
The provisions of Section 2512 of IBC are adopted by reference with the following modifications:
1. Revise the first sentence of Section 2512.2 to read:
"Only plasticity agents in amounts recommended by the manufacturer shall be added to Portland cement or blended cements."
2. Add an exception to Section 2512.9 to read:
"Exception: Acrylic-based or siliconized acrylic-based finish coat systems manufactured for application as a finish coat over Portland cement based exterior stucco or plaster assemblies shall be allowed as a finish coat."
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2667666Fetched: 10/24/2026
