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ABC-C Working Group Codes Brief:
New Off-Site Construction Standards

Potential & Implications of ICC/MBI 1200 and 1205 for advanced building construction

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The highly fragmented current building code landscape and regulatory barriers hinder the adoption and scaling of advanced building construction practices, including off-site construction. In 2021, the International Code Council (ICC) and Modular Building Institute (MBI) created Standards 1200 and 1205 to reduce complexity of codes and improve code implementation and enforcement on off-site construction, off-site manufacturers, contractors, and officials who need clearer compliance pathways.  

This brief focuses on problems in the current code reality and details how these new standards can address barriers to more efficient, off-site construction that can support lower-carbon buildings. The work incorporates valuable elements and insights from members of the ABC Collaborative Working Group on Codes, Standards, Permitting, Testing, and Accreditation. 



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