Chapter 25 — GYPSUM PANEL PRODUCTS AND PLASTER

Section 2506 — GYPSUM PANEL PRODUCT MATERIALS

2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California

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2506.1 General.

2506.1 General. Gypsum panel products and accessories shall be identified by the manufacturer’s designation to indicate compliance with the appropriate standards referenced in this section and stored to protect such materials from the weather.

2506.2 Standards.

2506.2 Standards. Gypsum panel products shall conform to the appropriate standards listed in Table 2506.2 and Chapter 35 and, where required for fire protection, shall conform to the provisions of Chapter 7. TABLE 2506.2—GYPSUM PANEL PRODUCTS MATERIALS AND ACCESSORIESCol2 ------ MATERIALSTANDARD Accessories for gypsum boardASTM C1047 Adhesives for fastening gypsum board to wood framingASTM C557 Cold-formed steel studs and track, structuralAISI S240 Cold-formed steel studs and track, nonstructuralAISI S220 Elastomeric joint sealantsASTM C920 Expandable foam adhesives for fastening gypsum…