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Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES

Section 5.407

California Green Building Standards Code (Title 24, Part 11) · 2019 edition · updated 2026-09-12 · California

WATER RESISTANCE AND MOISTURE MANAGEMENT

5.407.1 Weather protection. Provide a weather-resistant exterior wall and foundation envelope as required by Califor- nia Building Code Section 1402.2 (Weather Protection), manufacturer’s installation instructions or local ordinance, whichever is more stringent.

5.407.2 Moisture control. Employ moisture control measures by the following methods.

5.407.2.1 Sprinklers. Design and maintain landscape irrigation systems to prevent spray on structures.

Copyright © 2019 ICC. ALL RIGHTS RESERVED. Accessed by Kevin Day (kevin.day@dgs.ca.gov), (California Building Standards Commission) Order Number #100735044 on Jul 24, 2019 03:54 PM (PDT) pursuant to License Agreement with ICC. No further reproduction or distribution authorized. Single user only, copying and networking prohibited. ANY UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT, AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.

100735044

NONRESIDENTIAL MANDATORY MEASURES

5.407.2.2 Entries and openings. Design exterior entries and/or openings subject to foot traffic or wind-driven rain to prevent water intrusion into buildings as follows:

5.407.2.2.1 Exterior door protection. Primary exterior entries shall be covered to prevent water intrusion by using nonabsorbent floor and wall finishes within at least 2 feet around and perpendicular to such openings plus at least one of the following:

  1. An installed awning at least 4 feet in depth.

  2. The door is protected by a roof overhang at least 4 feet in depth.

  3. The door is recessed at least 4 feet.

  4. Other methods which provide equivalent protection.

5.407.2.2.2 Flashing. Install flashings integrated with a drainage plane.

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▸Contents — California Green Building Standards Code (Title 24, Part 11)
California Green Building Standards Code (Title 24, Part 11)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GREEN BUILDING
  4. Chapter 4 — RESIDENTIAL MANDATORY MEASURES
  5. ▸Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
    Overview
    1. Section 5.101
    2. Section 5.102
    3. Section 5.103
    4. Section 5.104
    5. Section 5.105
    6. Section 5.106
    7. Section 5.201
    8. Section 5.301
    9. Section 5.302
    10. Section 5.303
    11. Section 5.304
    12. Section 5.305
    13. Section 5.401
    14. Section 5.402
    15. Section 5.403
    16. Section 5.404
    17. Section 5.405
    18. Section 5.406
    19. Section 5.407
    20. Section 5.408
    21. Section 5.409
    22. Section 5.410
    23. Section 5.501
    24. Section 5.502
    25. Section 5.503
    26. Section 5.504
    27. Section 5.508 OUTDOOR AIR QUALITY
    28. Section 5.505
    29. Section 5.506
    30. Section 5.507
  6. Chapter 6 — REFERENCED ORGANIZATIONS AND STANDARDS
  7. Chapter 7 — INSTALLER AND SPECIAL INSPECTOR QUALIFICATIONS
  8. Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
  9. Appendix A4
  10. Appendix A5

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