Updated : 04/22/2024
Overview
Casper, Wyoming, adopted the 2021 International Residential Code with amendments. Casper, WY Muni. Code § 15.02.10 (adoption) and §§15.02.20 – 15.02.120 (amendments). Casper, Wyoming, adopted the 2021 International Building Code with amendments. Casper, WY Muni. Code § 15.04.10 (adoption) and §§15.04.50 – 15.04.180 (amendments). Casper, Wyoming, adopted the 2021 International Existing Building Code. Casper, WY Muni. Code § 15.06.10 (adoption).
Helpful resources for Casper, Wyoming include the following.
Residential Building Code
Wyoming has yet to adopt a statewide residential code. Local laws will control.See PLRB,
Wyoming Building Codes for more information on state level codes.
Casper adopted the 2021 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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2021 IRC(Casper, WY 15.02.020 - Document adopted by reference—Applicability.)
...purpose of prescribing regulations for
minimum standards, to safeguard life, health, property and public welfare that certain
suggested code known as the 2021 International Residential Code for one and two family
dwellings, and the whole thereof, with the exception of Part V, titled Mechanical,
more specifically Chapters 12 through 23; Part VI...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Casper ? Unclear
Comments:
No amendment to Table R301.2(1) was located in the municipal code or city website. Therefore, it is unclear if ice barrier underlayment is required.
Comments
Casper, Wyoming, adopted the 2021 International Residential Code with amendments. Casper, WY Muni. Code § 15.02.10 (adoption) and §§15.02.20 – 15.02.120 (amendments).
Notable amendments include the deletion of the requirement for sprinklers and gypsum thickness requirements are increased. Casper, WY Muni. Code § 15.2.
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.
Casper, Wyoming, did not expressly adopt Appendix AJ of the IRC for existing buildings.
Casper, Wyoming, adopted the 2021 International Existing Building Code. Casper, WY Muni. Code § 15.06.10 (adoption).
Commercial Building Code
Casper adopted the 2021 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.
Auto Search - beta:
2021 IBC(Casper, WY 15.04.040 - Document adopted by reference—Applicability.)
...the purpose of prescribing regulations for minimum
standards, to safeguard life, health, property and public welfare that certain suggested
code known as the International Building Code, 2021 Edition, and except such portions
as are hereinafter modified, deleted or amended by this chapter, not less than three
copies of which have been and are...
Comments
Casper, Wyoming, adopted the 2021 International Building Code with amendments. Casper, WY Muni. Code § 15.04.10 (adoption) and §§15.04.50 – 15.04.180 (amendments).
Existing Buildings
Casper, Wyoming, adopted the 2021 International Existing Building Code. Casper, WY Muni. Code § 15.06.10 (adoption).
Other Building Codes
Casper, Wyoming, adopted the 2021 International Fuel Gas Code with amendments, including Appendices A, B, C, and D. Casper, WY Muni. Code § 15.18.10 (Adoption) and §§15.18.30 – 15.18.160 (amendments).
Casper, Wyoming, adopted the 2021 International Mechanical Code with Amendments. Casper, WY Muni. Code § 15.20.10 (Adoption) and §15.20.30 (amendments).
Casper, Wyoming, adopted the 2021 Plumbing Code with Amendments. Casper, WY Muni. Code § 15.24.10 (Adoption) and §§15.24.20 – 15.24.120 (amendments).
Casper, Wyoming, adopted the 2020 National Electrical Code with Amendments. Casper, WY Muni. Code § 15.28.10 (Adoption and Amendments).
Casper, Wyoming, adopted the 2021 International Fire Code, including Appendices B, C, D, F, H, and I, with amendments. Casper, WY Muni. Code § 15.40.10 (Adoption) and § 15.40.80 (Amendments).