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Form a Business

Length.

Municipal Code of Chicago § 18-28-803.10.2
in effect
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18-28-803.10.2 Length. The maximum horizontal length of a single-wall connector, shall be 75 percent of the height of the chimney or vent.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687876Fetched: 10/24/2026

Starting a business in Illinois? Illinois LLC guide: costs and requirements

18-28-803.10.2 | Corpus