GA Design WP 3510
1-Hour Fire Rated Wood Stud Wall — 5/8" Type X each side, 2x4 @ 24" o.c. (GA)
GA File WP 3510 (Gypsum Association Fire Resistance Design Manual; cross-listed to UL U309) — 1-hour load-bearing wood stud wall. Nominal 2x4 wood studs at 24" o.c. with one layer of 5/8" Type X gypsum board nailed each side, joints taped and finished. STC 38 bare; cavity insulation or resilient channels improve sound performance.
2x4 wood studs @ 24" o.c., one layer 5/8" Type X each side
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies