Minneapolis encourages reflective cool-roof assemblies through the Minnesota Energy Code, Climate Equity Plan incentives, and B3 sustainable building guidelines for city-funded projects, particularly low-slope commercial and multifamily roofs.
Minnesota State Building Code IECC adoption sets minimum roof insulation and, for low-slope commercial roofs, allows compliance pathways using high-reflectance membranes. Minneapolis layers Green Cost Share rebates and B3 standards for projects receiving city funds, requiring solar-reflectance index targets. Heat-island mitigation is identified in the Climate Equity Plan, particularly for North Minneapolis. Most single-family asphalt shingle roofs are exempt; the rules focus on flat and low-slope commercial roofs, schools, and city facilities.
Code-compliance issues handled by Construction Code Services during permit and inspection; non-compliant assemblies must be corrected before final approval.
Minneapolis, MN
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See how Minneapolis's cool roof requirements rules stack up against other locations.
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