Skip to content
CodesChatProject

Earlier editions: 20222019

Chapter 19A — CONCRETE

1904A Durability Requirements — 2025 California Building Code

California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-10-19 · 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 Building Code (Title 24, Part 2) § 1904A · Effective January 1, 2026 · Official source: Building Standards Commission

1904 A .1 Structural concrete. Structural concrete shall conform to the durability requirements of ACI 318.

1904 A .2 Nonstructural concrete. The registered design professional shall assign nonstructural concrete a freeze-thaw exposure class, as defined in ACI 318, based on the anticipated exposure of nonstructural concrete. Nonstructural concrete shall have a minimum specified compressive strength, f´ c, of 2,500 psi (17.2 MPa) for Class F0; 3,000 psi (20.7 MPa) for Class F1; and 3,500 psi (24.1 MPa) for Classes F2 and F3. Nonstructural concrete shall be air entrained in accordance with ACI 318.

Get a plain-English answer with a citation back to this text.

Ask AI about this code
Export this section
▸Contents — California Building Code (Title 24, Part 2)
California Building Code (Title 24, Part 2)

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.