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Appendix AQ — TINY HOUSES

Section AS108

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.

AS108.1 R-value.

The unit R -value of a strawbale wall with bales laid flat is R-1.55 for each inch of bale thickness. The unit R -value of a strawbale wall with bales on-edge is R-1.85 for each inch of bale thickness.

AS108.2 Compliance with Section R302.10.1.

Straw bales meet the requirements for insulation materials in Section R302.10.1 for flame spread index and smoke-developed index as tested in accordance with ASTM E84.

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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
    Overview
    1. Section AQ101
    2. Section AQ102
    3. Section AQ103
    4. Section AQ104
    5. Section AQ105
    6. Section AQ106
    7. Section AR101
    8. Section AR102
    9. Section AR103
    10. Section AR104
    11. Section AR105
    12. Section AS101
    13. Section AS102
    14. Section AS103
    15. Section AS104
    16. Section AS105
    17. Section AS106
    18. Section AS107
    19. Section AS108
    20. Section AS109
  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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