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HomeMy WebLinkAboutR-VALUE REQUIREMENTS - 23-00669 - Tagg N Go - Car WashSTATE APPLICABLE CODE ASHRAE ZONE MINIMUM R-VALUE STATE & LOCAL AL Alabama 2021 International Building Code 2 R-25 3 R-25 STATE & LOCAL AK Alaska No State-Wide Energy Code – Refer to most current version of International Energy Conservation Code 7 R-35 8 R-35 LOCAL ONLY AZ Arizona No statewide mandated R values Phoenix – 2018 IECC Flagstaff – 2018 IECC 2 R-25 3 R-25 4 R-30 5 R-30 STATE ONLY AR Arkansas 2014 Arkansas Energy Code 3 R-20 4 R-20 STATE ONLY CA California California 2022 Energy Code 2 R-30 3 R-30 4 R-30 5 R-30 6 R-20 STATE & LOCAL CO Colorado 2021 International Energy Conservation Code 4 R-30 5 R-30 6 R-30 7 R-35 STATE ONLY CT Connecticut 2022 Connecticut State Building Code 5 R-30 STATE & LOCAL DE Delaware Regulations for State Energy Conservation Code 4 R-30 STATE ONLY DC District of Columbia District of Columbia Energy Conservation Code (2017)4 R-33 STATE ONLY FL Florida 2023 8th Edition Florida Building Code, Energy Conservation 1 R-20 2 R-25 STATE ONLY GA Georgia 2020 Georgia State Minimum Standard Energy Code 2 R-25 3 R-25 4 R-30 STATE ONLY HI Hawaii 2018 International Energy Conservation Code 1 R-20 STATE & LOCAL ID Idaho Idaho Energy Conservation Code (2020 Edition)5 R-30 6 R-30 STATE & LOCAL IL Illinois 2018 Illinois Energy Conservation Code 4 R-30 5 R-30 STATE ONLY IN Indiana 2010 Indiana Energy Conservation Code 4 R-20 5 R-20 STATE & LOCAL IA Iowa 2012 IECC 5 R-25 6 R-30 STATE & LOCAL KS Kansas No State Mandate (Refer to most current version of IECC)4 R-30 5 R-30 STATE ONLY KY Kentucky 2013 Kentucky Building Code, 4th Edition 4 R-25 STATE & LOCAL LA Louisiana Louisiana State Uniform Construction Code 2*R-25 STATE ONLY ME Maine Maine Uniform Building Code 6 R-30 7 R-35 STATE ONLY MD Maryland Maryland Building Performance Standards 4 R-30 5 R-30 STATE ONLY MA Massachusetts 9th Edition of the Massachusetts State Building (Code 780)5 R-30 STATE ONLY MI Michigan Commercial Michigan Energy Code 5 R-30 6 R-30 7 R-35 STATE ONLY MN Minnesota 2024 Minnesota Commercial Energy Code.6 R-30 7 R-35 EXPERIENCE THE CARLISLE DIFFERENCE Please see disclaimer on back page. Minimum Insulation R-value Requirements Non-Residential, Above Roof Deck STATE APPLICABLE ENERGY ASHRAE ZONE MINIMUM R-VALUE STATE & LOCAL MS Mississippi No State-Wide Energy Code – Refer to most current version of International Energy Conservation Code 2 R-25 3 R-25 STATE & LOCAL MO Missouri No State-Wide Energy Code – Refer to most current version of International Energy Conservation Code 4 R-30 5 R-30 STATE ONLY MT Montana 2021 International Energy Conservation Code 6 R-30 STATE ONLY NE Nebraska Nebraska Energy Code 5 R-30 STATE ONLY NV Nevada 2021 International Energy Conservation Code 3 R-25 4 R-30 5 R-30 STATE ONLY NH New Hampshire New Hampshire State Building Code 5 R-30 6 R-30 STATE ONLY NJ New Jersey Uniform Construction Code - Energy Subcode 4 R-30 5 R-30 STATE ONLY NM New Mexico 2021 New Mexico Commercial Energy Code 3 R-25 4 R-30 5 R-30 STATE ONLY NY New York 2020 Energy Conservation Construction Code of New York State 4 R-30 5 R-30 6 R-30 STATE ONLY NC North Carolina 2018 North Carolina Energy Conservation Code 3 R-25 4 R-30 5 R-30 STATE & LOCAL ND North Dakota No State-Wide Energy Code – Refer to most current version of International Energy Conservation Code 6 R-30 7 R-35 STATE ONLY OH Ohio 2024 Ohio Building Code, Chapter 13 4 R-25 5 R-25 STATE & LOCAL OK Oklahoma Oklahoma Uniform Building Code 3 R-15 4 R-15 STATE ONLY OR Oregon 2021 Oregon Energy Efficiency Specialty Code 4 R-30 5 R-30 STATE ONLY PA Pennsylvania 2018 International Energy Conservation Code 4 R-30 5 R-30 6 R-30 STATE ONLY RI Rhode Island RISBC-8 State of Road Island Energy Conservation Code 5 R-30 STATE & LOCAL SC South Carolina 2009 South Carolina Energy Standard 3 R-20 STATE & LOCAL SD South Dakota No State Mandate (Refer to IECC 2015 & 2018)5 R-30 6 R-30 STATE & LOCAL TN Tennessee 2012 IECC 3 R-20 4 R-25 STATE & LOCAL TX Texas 2015 IECC 2 R-25 3 R-25 4 R-30 STATE ONLY UT Utah Commercial Energy Conservation Code 2021 of Utah 3 R-25 5 R-30 6 R-30 STATE ONLY VT Vermont 2024 Commercial Building Energy Standards 6 R-45 STATE ONLY VA Virginia 2021 Virginia Existing Building Code (VEBC) and 2021 Virginia Energy Conservation Code (VECC) 3 R-25 4 R-30 STATE ONLY WA Washington 2021 Washington State Energy Code 4 R-38 5*R-38 STATE ONLY WV West Virginia West Virginia State Building Code 4 R-30 5 R-30 STATE ONLY WI Wisconsin 2015 Wisconsin Commercial Building Code 6 R-20 7 R-25 LOCAL ONLY WY Wyoming No State Mandate (Refer to IECC 2015 & 2018) 6 R-30 6 R-30 7 R-35 Please see disclaimer on back page. *LA and WA utilize modified climate zones that differ from the ASHRAE map below. LA has adjusted to climate zone 2 for the whole state. WA has adjusted to climate zones 4 and 5. Please reference state specific maps for county requirements. 1 22 2 33 4 4 55 6 6 7 Zone D Zone C Zone C Zone C Disclaimer: The information contained in this document is meant to be used as a quick reference guide for insulation levels across the United States. The information was gathered from state and local websites which are periodically updated and may not contain the latest data. Final verification of actual insulation levels required for a specific project should be verified with the Local Authority Having Jurisdiction (AHJ) before construction. Zone 1 includes: Hawaii, Guam, Puerto Rico, Virgin Islands IBC – International Building Code – References IECC for Energy Tables IECC – International Energy Conservation Code – References using ASHRAE 90.1 OR IECC Tables *Continuous Insulation 800-479-6832 | P.O. Box 7000 | Carlisle, PA 17013 | Fax: 717-245-7053 | www.carlislesyntec.com 07.03.24 © 2023 Carlisle. INS_CST-5419 - “Minimum R-Value Code Adoption By State Matrix” Carlisle is a trademark of Carlisle. Zones ASHRAE 90.1 IBC – IECC 2004 2007 2010*2013*2016*2019*2009*2012*2015*2018*2021 0 ----25 25 ----20 1 15 15 15 20 20 20 15 20 20 20 20 2 15 20 20 25 25 25 20 20 25 25 25 3 15 20 20 25 25 25 20 20 25 25 25 4 15 20 20 30 30 30 20 25 30 30 30 5 15 20 20 30 30 30 20 25 30 30 30 6 15 20 20 30 30 30 20 30 30 30 30 7 15 20 20 35 35 35 25 35 35 35 35 8 20 20 20 35 35 35 25 35 35 35 35 Minimum R-Value (Non-Residential, Above Roof Deck)