New construction and major reroofing in Bakersfield must comply with California Title 24 cool-roof reflectivity standards, which are particularly impactful in the Central Valley climate zone where summer roof temperatures exceed 150 degrees.
California Title 24 Part 6 requires low-slope commercial roofs to meet aged solar reflectance and thermal emittance thresholds, and steep-slope residential roofs in Climate Zone 13 covering Bakersfield must use cool-roof rated products or equivalent insulation. The Bakersfield Building Department enforces these standards through permit review for new construction and any reroof exceeding 50 percent of the roof area. Cool-roof products carry Cool Roof Rating Council certification. The standards reduce attic temperatures and air-conditioning load during the long Central Valley cooling season.
Reroof permits failing Title 24 cool-roof verification cannot pass final inspection. Contractors must replace non-compliant materials before certificate issuance.
See how Bakersfield's cool roof requirements rules stack up against other locations.
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