Chapter 16 — REFERENCED STANDARDS
Section C104 — RETROFITTING GABLE END WALLS TO ENHANCE WIND RESISTANCE
2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · ingested 2026-07-07 · California
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[BS] C104.1 General. These prescriptive methods of retrofitting are intended to increase the resistance of existing gable end construction for out-of-plane wind loads resulting from high-wind events. The ceiling diaphragm shall be comprised of minimum [1] / 2 inch-thick (12.7 mm) gypsum board, minimum nominal [3] / 8 -inch-thick (9.5 mm) wood structural panels, or plaster. An overview isometric drawing of one type of gable end retrofit to improve wind resistance is shown in Figure C104.1. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. APPENDIX C—GUIDELINES FOR THE WIND RETROFIT OF EXISTING…