Fire-Resistant Assemblies SA-100 - CGC

B
Floor/Ceilings
Structural Concrete
2 Hour Fire-rated Construction (Refer to ULC/UL Design Directory listings for loading conditions. See page 6.) Acoustical Performance Reference
Construction Detail Description Test Number STC Test Number ARL Index
• 19.1 mm (3/4�) LEVELROCK Floor Underlayment
– 150 mm (6�), 200 mm (8�), 250 mm (10�), or
300 mm (12�) thick precast concrete units
• optional SRM-25 or SRB sound mat
– floor topping thickness should be a minimum
of 25 mm (1�) if using sound mat
UL Des K906 SA305 B-89
3 Hour Fire-rated Construction
clg. wt. 3 • 15.9 mm (5/8�) SHEETROCK FIRECODE C UL Des J502, B-90
Core Gypsum Panels J504
– metal furring channel 610 mm (24�) o.c.
260 mm
(10 1 ⁄4")
578 mm
(22 3 ⁄4")
527 mm
(20 3 ⁄4")
559 mm
(22")
559 mm
(22")
– joints finished
– precast 70 mm (2-3/4�) normal weight (J502) or
64 mm (2-1/2�) lightweight (J504)
concrete units with 150 mm (6�) deep stems
1200 mm (48�) o.c.
• 15.9 mm (5/8�) or 19.1 mm (3/4�) FR-83 UL Des D218 SC2000 B-91
acoustical ceiling panels
• DXLP (with Types PSS, PSSP, PSR & PSRP
metal ceiling pans), DXL, DXLZ or SDXL Susp
Exp Grid System
– light fixture and air duct optional
– 81 mm (3-1/4�) concrete on 38 mm (1-1/2�)
steel roof deck
• 15.9 mm (5/8�) or 19.1 mm (3/4�) FR-83 or FR-4 or UL Des D219 DXLA, DXLZA or SDXLA Susp Exp Grid SC2000 B-92
19.1 mm (3/4�) FR-X1 acoustical ceiling panels
• DXL, DXLZ or SDXL Susp Exp Grid System
– light fixture and air duct optional
– 81 mm (3-1/4�) concrete on cellular and 89 mm
(3-1/2�) concrete on fluted steel floor units
• 15.9 mm (5/8�) FR-81, FR-4 or M; 15.9 mm (5/8�) or UL Des J201 DXLTA or DXLTZA Susp Exp Grid System SC2000 B-93
19.1 mm (3/4�) FR-83; or 19.1 mm (3/4�)
FR-X1 acoustical ceiling panels
• DXL, DXLA, DXLT, DXLTZ, DXLZ, DXLZA, SDXL
or SDXLA Susp Exp Grid System
– 64 mm (2-1/2�) concrete deck with
150 mm (6�) deep pan beam
• 15.9 mm (5/8�) or 19.1 mm (3/4�) FR-83 or UL Des J202 B-94
19.1 mm (3/4�) FR-X1, AP, AP-1, AP-2 or AP-3
acoustical ceiling panels
• DXL, DXLT, DXLTZ, DXLZ or SDXL Susp Exp Grid
System
– light fixture and air duct optional
– 50 mm (2�) prestressed concrete units with
150 mm (6�) deep stems
43 CGC Fire-Resistant Assemblies
System may be used instead, but fire
rating is limited to 2-hr.; DXLT or DXLTZ
Susp Exp Grid System may be also used,
but fire rating is limited to 1-1/2-hr.
may be used instead, but fire rating is
limited to 1-1/2 hr.