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Earlier editions: 20222019

Chapter 19A — CONCRETE

1904A Durability Requirements — 2025 California Building Code

California Building Code (Title 24, Part 2) · 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 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.

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▸Contents — California Building Code (Title 24, Part 2)
California Building Code (Title 24, Part 2)

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