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Earlier editions: 20222019

Appendix BI — LIGHT STRAW-CLAY CONSTRUCTION

BI101 General — 2025 California Residential Code

California Residential Code (Title 24, Part 2.5) · 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 Residential Code (Title 24, Part 2.5) § BI101 · Effective January 1, 2026 · Official source: Building Standards Commission

BI101.1 Scope.

This appendix shall govern the use of light straw-clay as a nonbearing building material and wall infill system in Seismic Design Categories A and B. Use of light straw-clay in Seismic Design Categories C, D 0, D 1 and D 2 shall require an approved engineered design by a registered design professional in accordance with Section R301.1.3.

Exceptions & meaning →

BI101.2 Flood hazard areas.

In flood hazard areas established in Table R301.2, buildings using light straw-clay infill shall meet the requirements of Section R306.

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▸Contents — California Residential Code (Title 24, Part 2.5)
California Residential Code (Title 24, Part 2.5)

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