Roof insulation.
Municipal Code of Chicago § 14B-15-1508
in effect14B-15-1508 Roof insulation.
The provisions of Section 1508 of IBC are adopted by reference with the following modification:
1. Revise Section 1508.1 to read:
"1508.1 General.
The use of above-deck thermal insulation shall be permitted provided that such insulation is covered with a roof covering and passes the tests of NFPA 276 or UL 1256 when tested as an assembly.
Exceptions:
1. Foam plastic insulation shall conform to the material and installation requirements of Chapter 26.
2. Where a concrete roof deck is used and the above-deck thermal insulation is covered with a roof covering."
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2666129Fetched: 10/24/2026
