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ULC FIRE RESISTIVE ASSEMBLIES
Fire ratings specified in this section pertain to UL Classifications which are based on standard test method ANSI/UL 263, ASTM E 119, UBC 7-1, NFPA 251, CAN/ULC – S101M
FLOOR/CEILING ACOUSTICAL ASSEMBLIES1
TYPE OF CONSTRUCTION
Concrete on corrugated steel deck
Concrete on corrugated steel deck
Concrete on metal lath, steel joists
Concrete on metal lath, steel joists
Concrete on metal lath, steel joists
Concrete on metal lath, steel joists
Wood deck
MAXIMUM
TIME UL CONCRETE
RATING DESIGN THICKNESS (HRS) NUMBER (mm)
2 D203 —
2 D205 —
2 G208 —
2 G218 —
2 I210 —
1 I211 —
1 L201 —
PANEL OR TILE SIZE (mm)
600 x 600 600 x 1200 500 x 1500
600 x 1200 500 x 1500
600 x 600 600 x 1200 600 x 1500 500 x 1500
600 x 600 600 x 1200 500 x 1500
600 x 600 600 x 1200 500 x 1500
600 x 600 600 x 1200 500 x 1500
600 x 600 600 x 1200 500 x 1500
PANEL OR TILE TYPE2
Wet-Felted/G2
Wet-Felted/G2
Wet-Felted/G2
Wet-Felted/G2
Wet-Felted/G2
Wet-Felted/G2
Wet-Felted/G2
PANEL OR TILE TYPE2
Wet-Felted/G2
EDGE DETAIL ALLOWED3
T
T
T
T
T
T
T
EDGE DETAIL ALLOWED3
T
PANEL OR TILE THICKNESS (mm)
16
16
16
16
16
16
16
PANEL OR TILE THICKNESS (mm)
16
MINIMUM FIXTURE AREA (M2/10 M2)
2.5
2.5
2.5
2.5
—
0.8
0.8
MINIMUM FIXTURE AREA (M2/10 M2)
1.6
MAXIMUM DUCT AREA (M2/10 M2)
0.035
—
0.4
0.4
—
0.017
0.02
MAXIMUM DUCT AREA (M2/10 M2)
0.21
GRID SYSTEM
15/16" FireSecure Stab
15/16" FireSecure Stab
15/16" FireSecure Stab
15/16" FireSecure Stab
15/16" FireSecure Stab
15/16" FireSecure Stab
15/16" FireSecure Stab
GRID SYSTEM
15/16" FireSecure Stab
ROOF/CEILING ACOUSTICAL ASSEMBLIES1
TYPE OF CONSTRUCTION
BUR, modified or single-ply over steel deck, steel joists
MAXIMUM
TIME UL CONCRETE
RATING DESIGN THICKNESS (HRS) NUMBER (mm)
1 R224 —
PANEL OR TILE SIZE (mm)
600 x 600 600 x 1200
PANEL AND TILE TYPES:
1. Class A, B or C roof coverings may be applied directly to the concrete or wood surface of floor/ceiling designs being used as roof/ceiling designs without a reduction of the fire resistance rating.
2. Wet-Felted/G2: Wet–Felted Protectone® – BaroqueTM, BaroqueTM Customline®, Cashmere®, Directional Fissured, Fine Fissured, Fine Fissured Customline®, School Board®, Vantage 10TM.
3. Edge Detail Types: T =Trim (Square) Edge; R = Reveal Edge; G = Reveal Edge, Grooved Face (Customline®).
The information contained in this table is intended only to be used as a guide. For detailed time-rated assembly information, refer to the latest Underwriters Laboratories Inc. Fire Resistance Directory (ul.com).
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TECHNICAL INFORMATION