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Appendix A5

Section A5.407 — [OSHPD 1, 2 & 4]

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

WATER RESISTANCE AND MOISTURE

MANAGEMENT

A5.407.3 Weather protection. Provide a weather-resistant exterior wall and foundation envelope as required by Califor- nia Building Code Section 1403.2 and California Energy Code Section 150, manufacturer’s installation instructions or local ordinance, whichever is more stringent.

A5.407.4 Moisture control. Employ moisture control measures by the following methods.

A5.407.4.1 Sprinklers. Design and maintain landscape irrigation systems to prevent spray on structures.

A5.407.4.2 Entries and openings. Design exterior entries and/or openings subject to foot traffic or wind-driven rain to prevent water intrusion into buildings.

Notes:

  1. Use features such as overhangs and recesses and flashings integrated with a drainage plane.

  2. Use nonabsorbent floor and wall finishes within at least two feet around and perpendicular to such openings.

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Contents — California Green Building Standards Code (Title 24, Part 11)

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