Chapter 20 — ALUMINUM — 2025 California Building Code (Title 24, Part 2)

User notes: About this chapter: Chapter 20 contains standards for the use of aluminum in building construction. The use of aluminum in heating, ventilating or air-conditioning systems is addressed in the California Mechanical Code . This chapter references national standards from the Aluminum Association for use of aluminum in building construction, AA ASM 35, Aluminum Sheet Metal Work in Building Construction, and AA ADM, Aluminum Design Manual. ICC code development note: Code change proposals to this chapter will be considered by the IBC—Structural Code Development Committee during the 2025…

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted

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