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Earlier editions: 20222019

Chapter 14 — FIRESTOP PROTECTION

1404.2 Fire-Resistance Rating — 2025 California Plumbing Code

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · 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 Plumbing Code (Title 24, Part 5) § 1404.2 · Effective January 1, 2026 · Official source: Building Standards Commission

Where penetrating a fireresistance-rated wall, partition, floor, floor-ceiling assembly, roof-ceiling assembly, or shaft enclosure, the fire-resistance rating of the assembly shall be restored to its original rating.

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)

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