Code Alert: Jefferson County Appendix Z

Code Change Alert: Colorado, Jefferson County Jefferson County Colorado Appendix Z – Special Building Construction Regulations in Wildfire Zone 1   The recently adopted Jefferson County Appendix Z, or Special Building Construction Regulations in Wildfire Zone 1, effective 1/1/2020, is an addendum of both the 2018 International Building Code (IBC) and International Residential Code (IRC) …

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