Extension outside a structure.
Municipal Code of Chicago § 18-29-904.6
in effect18-29-904.6 Extension outside a structure.
Vent pipes installed on the exterior of a structure shall be protected against freezing by insulation, heat or both.
(Amend Coun. J. 10-14-21, p. 37722, Art. IX, § 3)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692470Fetched: 10/24/2026
