607.2 Requirements — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 607.2 · Effective January 1, 2026 · Official source: Building Standards Commission
Ventilating ceilings shall comply with the following:
(1) Suspended ventilating ceiling material shall have a Class 1 flame spread classification on both sides, determined in accordance with the building code. Suspended ventilating ceiling supports shall be of noncombustible materials.
(2) Luminaires recessed into ventilating ceilings shall be of a type approved for that purpose.
«
«
«
«
142 2025 CALIFORNIA MECHANICAL CODE
DUCT SYSTEMS
Get a plain-English answer with a citation back to this text.
Ask AI about this code