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Appendix BL — HEMP-LIME (HEMPCRETE) CONSTRUCTION

Section BL108 — REFERENCED STANDARDS

2025 California Residential Code (Title 24, Part 2.5) · 2025 edition · updated 2026-07-27 · California

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

BL108.1 General.

See Table BL108.1 for standards that are referenced in various sections of this appendix. Standards are listed by the standard identification with the effective date, the standard title and the section or sections of this appendix that reference this standard.

TABLE BL108.1—REFERENCED STANDARDS

STANDARD ACRONYM STANDARD NAME SECTIONS HEREIN REFERENCED
ASTM C5—10 Standard Specification for Quicklime for Structural Purposes BL104.3.5
ASTM C141/C141M—14 Standard Specification for Hydrated Hydraulic Lime for Structural Purposes BL104.3.5
ASTM C177—19 Standard Test Method for Steady-State Heat Flux Measurements and Thermal
Transmission Properties by Means of the Guarded-Hot-Plate Apparatus		 BL106.2
ASTM C206—14 Standard Specification for Finishing Hydrated Lime BL104.3.5
ASTM C518—21 Transmission Properties by Means of the Heat Flow Meter Apparatus BL106.2
ASTM C1114—06(2019) Standard Test Method for Steady-State
Thermal Transmission Properties by Means of the Thin-Heater Apparatus		 BL106.2
ASTM C1363—19 Standard Test Method for Thermal Performance of
Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus		 BL106.2
ASTM C1707—11 Standard Specification for Pozzolanic Hydraulic LIme for Structural Purposes BL104.3.5
ASTM E84—21a Standard Test Method for Surface Burning Characteristics of Building Materials BL106.4
ASTM E96/E96M—21 Standard Test Methods for Water Vapor Transmission of Materials BL104.1
ASTM E119—20 Standard Test Methods for Fire Tests of Building Construction and Materials BL105.1
ASTM E2392/
E2392M—10(2016)		 Standard Guide for Design of Earthen Wall Building Systems BL104.3.6.1
CEN EN 459—2015 Building Lime—Part 1: Definitions,
Specifications and Conformity Criteria; Part 2: Test Methods		 BL104.3.5
UL 263—2011 Fire Test of Building Construction and
Materials—with Revisions through August 2021		 BL105.1

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

APPENDIX BL-12 2025 CALIFORNIA RESIDENTIAL CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

CALIFORNIA RESIDENTIAL CODE – MATRIX ADOPTION TABLE

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▸ Contents — 2025 California Residential Code (Title 24, Part 2.5)
2025 California Residential Code (Title 24, Part 2.5)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — BUILDING PLANNING
  4. Chapter 4 — FOUNDATIONS
  5. Chapter 5 — FLOORS
  6. Chapter 6 — WALL CONSTRUCTION
  7. Chapter 7 — WALL COVERING
  8. Chapter 8 — ROOF-CEILING CONSTRUCTION
  9. Chapter 9 — ROOF ASSEMBLIES
  10. Chapter 10 — CHIMNEYS AND FIREPLACES
  11. Chapter 44 — REFERENCED STANDARDS
  12. Appendix AA — BOARD OF APPEALS
  13. Appendix AB — PERMIT FEES
  14. Appendix AC — RESERVED
  15. Appendix BA — RESERVED
  16. Appendix BB — TINY HOUSES
  17. Appendix BC — RESERVED
  18. Appendix BD — RESERVED
  19. Appendix BE — RADON CONTROL METHODS
  20. Appendix BF — PATIO COVERS
  21. Appendix BG — SOUND TRANSMISSION
  22. Appendix BH — AUTOMATIC VEHICULAR GATES
  23. Appendix BI — LIGHT STRAW-CLAY CONSTRUCTION
  24. Appendix BJ — STRAWBALE CONSTRUCTION
  25. Appendix BK — COB CONSTRUCTION (MONOLITHIC ADOBE)
  26. ▸ Appendix BL — HEMP-LIME (HEMPCRETE) CONSTRUCTION
    Overview
    1. Section BL101 — GENERAL
    2. Section BL102 — DEFINITIONS
    3. Section BL103 — HEMP-LIME CONSTRUCTION
    4. Section BL104 — FINISHES
    5. Section BL105 — FIRE RESISTANCE
    6. Section BL106 — THERMAL PERFORMANCE
    7. Section BL107 — MECHANICAL PERFORMANCE
    8. Section BL108 — REFERENCED STANDARDS
  27. Appendix BM — 3D-PRINTED BUILDING CONSTRUCTION
  28. Appendix BN — EXTENDED PLATE WALL CONSTRUCTION
  29. Appendix BO — EXISTING BUILDINGS AND STRUCTURES
  30. Appendix CA — RESERVED
  31. Appendix CB — RESERVED
  32. Appendix CC — RESERVED
  33. Appendix CD — RESERVED
  34. Appendix CE — RESERVED
  35. Appendix CF — RESERVED
  36. Appendix CG — NONSEWERED SANITATION SYSTEMS
  37. Appendix CH — PRIVATE SEWAGE DISPOSAL
  38. Appendix CI — SWIMMING POOL SAFETY ACT
  39. Appendix CJ — EMERGENCY HOUSING
  40. Appendix CK — AREAS PROTECTED BY THE FACILITIES OF THE CENTRAL…

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