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Appendix AF — RADON CONTROL

California Residential Code (Title 24, Part 2.5) · 2022 edition · updated 2026-09-12 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

Section AF101 METHODS . . . . . . . .APPENDIX AF-1 Scope. . . . . . . . . . . . . . . . . . . . . . APPENDIX AF-1
AF101 Scope. . . . . . . . . . . . . . . . . . . . . . APPENDIX AF-1
AF102 Definitions . . . . . . . . . . . . . . . . . APPENDIX AF-1
AF103 Requirements . . . . . . . . . . . . . . . APPENDIX AF-9
AF104 Testing . . . . . . . . . . . . . . . . . . . APPENDIX AF-10
APPENDIX AG Reserved . . . . . . . . . . APPENDIX AG-1
APPENDIX AH PATIO COVERS. . . APPENDIX AH-1
Section
AH101 General . . . . . . . . . . . . . . . . . . . . APPENDIX AH-1
AH102 Definition . . . . . . . . . . . . . . . . . . APPENDIX AH-1
AH103 Exterior Walls and Openings . . . APPENDIX AH-1
AH104 Height . . . . . . . . . . . . . . . . . . . . . APPENDIX AH-2
AH105 Structural Provisions. . . . . . . . . . APPENDIX AH-2
AH106 Special Provisions for Aluminum
Screen Enclosures in Hurricane-
prone Regions . . . . . . . . . . . . . APPENDIX AH-2

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▸Contents — California Residential Code (Title 24, Part 2.5)
California Residential Code (Title 24, Part 2.5)
  1. Chapter 2 — DEFINITIONS AND ABBREVIATIONS
  2. Appendix AF — RADON CONTROL
  3. Appendix AI — PRIVATE SEWAGE
  4. Appendix AJ — EXISTING
  5. Appendix AK — SOUND
  6. Appendix AO — AUTOMATIC
  7. Appendix AR — LIGHT STRAW-CLAY
  8. Appendix AS — STRAWBALE
  9. Appendix AU — COB CONSTRUCTION
  10. Appendix AV — BOARD
  11. Appendix AW — 3D-PRINTED BUILDING
  12. Chapter 1 — SCOPE AND APPLICATION
  13. Chapter 3 — BUILDING PLANNING
  14. Chapter 4 — FOUNDATIONS
  15. Chapter 5 — FLOORS
  16. Chapter 6 — WALL CONSTRUCTION
  17. Chapter 7 — WALL COVERING
  18. Chapter 8 — ROOF-CEILING CONSTRUCTION
  19. Chapter 9 — ROOF ASSEMBLIES
  20. Chapter 10 — CHIMNEYS AND FIREPLACES
  21. Chapter 44 — REFERENCED STANDARDS
  22. Appendix AH — PATIO COVERS
  23. Appendix AL — PERMIT FEES
  24. Appendix AQ — TINY HOUSES
  25. Appendix AT — SOLAR-READY PROVISIONS—DETACHED ONE- AND
  26. Appendix AX — SWIMMING POOL SAFETY ACT
  27. Appendix AY — AREAS PROTECTED BY THE FACILITIES
  28. Appendix AZ — EMERGENCY HOUSING

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