Skip to content

Division 11 — APPENDIX A4 RESIDENTIAL VOLUNTARY MEASURES

Los Angeles Municipal Code § 4.505 Appendix A4 Residential Voluntary Measures

Los Angeles Municipal Code · 2026-09 edition · updated 2026-10-04 · Los Angeles

Cite as: Los Angeles Municipal Code § 4.505 · Text as of 2026-10-04

4.505.2 Vapor retarder and capillary break is X

installed at slab-on-grade foundations.

Exceptions & meaning →

4.505.3 Moisture content of building materials

used in wall and floor framing is checked before X enclosure.

Indoor Air Quality and Exhaust

Exceptions & meaning →

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

Ask AI about this code
▸Contents — Los Angeles Municipal Code

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.