GA Design FC 5420
1-Hour Fire Rated One-hour wood joist floor-ceiling per GA-600 File No
GA File FC 5420 — One-hour wood joist floor-ceiling per GA-600 File No. FC 5420 (companion listing to UL L501) as reproduced by National Gypsum. Nominal 2x10 wood joists spaced 16 in. o.c. with a 15/32 in. wood structural panel subfloor topped by 3/4 in. gypsum floor topping or 19/32 in. wood structural panels. Ceiling is one layer of 5/8 in. Type X gypsum board (Fire-Shield Gypsum Wallboard, Kal-Kore plaster base, or F.S. Soffit Board) nailed to the joists. STC 37; IIC 32 bare, 66 with carpet and pad.
One-hour wood joist floor-ceiling per GA-600 File No. FC 5420 (companion listing to UL L501) as reproduced by National Gypsum.
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies