Updated : 04/22/2024
Overview
Thornton, IL has adopted the 2015 International Codes, with amendments, including the 2015 IRC and IBC. Thornton, IL Muni. Codes § 7-1A-4 (adoptions and amendments).
Helpful resources for Thornton, Illinois include the following.
Residential Building Code
Illinois has yet to adopt a statewide residential code. Local laws will control.See PLRB,
Illinois Building Codes for more information on state level codes.
Thornton adopted the 2015 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the model code here.
You can find information about amendments to the model code
here.
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2015 IRC(Village of Thornton , IL § 7-1A-4 Building Codes adopted.)
...1232012 amended 872017 Residential The International Residential Code 2015 Edition and Appendixes E Manufactured Housing H Patio Covers J except for the following modifications and changes to said International span classhighlightResidentialspan...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Thornton ? Yes
Comments:
While no formal online code was located regarding ice barriers, Dave Habecker, Building Commissioner of Thornton, IL confirmed they are required. (Per email 1/2/19.)
Comments
Thornton, IL has adopted the 2015 IRC including appendices E, H, J and K.
Existing Buildings
Existing buildings, meaning buildings that were built in accordance to code at the time of
construction, typically merit extra consideration in a current updated code.
Thornton, IL has adopted the 2015 IRC including appendix J. Thornton, IL Muni. Code § 7-1A-4.
Commercial Building Code
Thornton adopted the 2015 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the code
here.You can find information about amendments to the model code
here.
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. See Gen.code(Village of Thornton , IL § 7-1A-4 Building Codes adopted.)
...set forth in this title Building Code adopted There is hereby by reference as the span classhighlightBuilding Codespan of the Village of Thornton of structures the span classhighlightInternationalspan...
Comments
Thornton, IL has adopted the 2015 IBC including appendices F, H and I.
Existing Buildings
Thornton, IL did not adopt the IEBC, therefore Chapter 34 of the IBC would apply.
Other Building Codes
Thornton, IL also adopted the following codes:
2015 International Fire Code. Thornton, IL Muni. Code § 7-1A-4.
2014 Illinois State Plumbing Code. Thornton, IL Muni. Code § 7-1B-1.
2014 National Electrical Code (NFPA 70). Thornton, IL Muni. Code § 7-1C-1.