Pitch.
Municipal Code of Chicago § 18-28-803.10.5
in effect18-28-803.10.5 Pitch.
Connectors shall rise vertically to the chimney or vent with a minimum pitch equal to one-fourth unit vertical in 12 units horizontal (2-percent slope).
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687893Fetched: 10/24/2026
