Type II hoods.
Municipal Code of Chicago § 18-28-507.7.2
in effect18-28-507.7.2 Type II hoods.
Joints, seams and penetrations for Type II hoods shall be constructed as set forth in Article 4, Duct Systems and shall be sealed on the interior of the hood and shall provide a smooth surface that is readily cleanable and water tight.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687373Fetched: 10/24/2026
