Chapter 4 — SPECIAL DETAILED REQUIREMENTS BASED ON OCCUPANCY AND USE
Section 416 — SPRAY APPLICATION OF FLAMMABLE FINISHES
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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[F] 416.1 General. The provisions of this section shall apply to the construction, installation and use of buildings and structures, or parts thereof, for the spray application of flammable finishes. Operations and equipment shall comply with the California Fire Code . [F] 416.2 Spray rooms. Spray rooms shall be enclosed with not less than 1-hour fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. Floors shall be waterproofed and drained in an approved manner. [F] 416.2.1 Construction. Walls and ceilings of…