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Reference:
UL Design G501
Exterior Wall Fire-Rated System
1-Hour
Fire-Resistance Rating
Flooring
2" (51 mm) 3500 psi (24 MPa) compressive strength
normal weight concrete poured over steel deck.
Ceiling
Fasten steel furring channels
to joists 24" (600
mm) o.c. with double tie wires, except 12" (300
mm) o.c. at end joints. Adjoining lengths
of channels lapped 2'-6" (750 mm).
Apply one layer
of 5/8" (15.9 mm) GlasRoc® Sheathing
Type X with the long dimension perpendicular to the
furring channels with 1" (25 mm) Type S steel
screws spaced 12" (300 mm) o.c. Locate screws
1/2" (12.7 mm) from edges and ends of board.
Additional UL Design Listings for Floor-Ceiling
Systems:
Steel Joist Floor - Ceiling: G520 and G531
Wood Joist Floor - Ceiling: L508 |
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