Section 805 — COMBUSTIBLE MATERIALS IN TYPES I AND II CONSTRUCTION
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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805.1 Application. ¶
805.1 Application. Combustible materials installed on or embedded in floors of buildings of Type I or II construction shall comply with Sections 805.1.1 through 805.1.3. Exception: Stages and platforms constructed in accordance with Sections 410.2 and 410.3, respectively. 805.1.1 Subfloor construction. Floor sleepers, bucks and nailing blocks shall not be constructed of combustible materials, unless the space between the fire-resistance-rated floor assembly and the flooring is either solidly filled with noncombustible materials or fireblocked in accordance with Section 718, and provided that…