Fire-Resistant Assemblies - USG Corporation
Fire-Resistant Assemblies - USG Corporation
Fire-Resistant Assemblies - USG Corporation
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B<br />
Floor/Ceilings<br />
Steel Framed<br />
2 Hour <strong>Fire</strong>-Rated Construction Steel Bar Joist Framing Acoustical Performance Reference<br />
Construction Detail Description Test Number STC Test Number Index<br />
clg. wt. 2 • 5/8" Sheetrock <strong>Fire</strong>code Core<br />
gypsum panels<br />
– steel bar joists 24" o.c.<br />
– metal furring channel, 12" o.c.<br />
UL Des G503 53 NGC-4075<br />
B-12<br />
16"<br />
15 7 ⁄8"<br />
21"<br />
24"<br />
21"<br />
24"<br />
• 1/2" Sheetrock <strong>Fire</strong>code C Core GA-FC-2030 B-13<br />
gypsum panels<br />
– metal furring channel 24" o.c.<br />
– steel bar joists 24" o.c.<br />
– joints finished<br />
– 2-1/2" concrete on riblath or steel deck over joist<br />
• optional veneer plaster<br />
• 1/2" or 5/8" Sheetrock <strong>Fire</strong>code C Core UL Des G523 B-14<br />
gypsum panels<br />
• <strong>USG</strong> DGL Drywall Suspension System<br />
– joints finished<br />
– 2-1/2" concrete on riblath or steel deck<br />
– steel bar joists, 24".o.c.<br />
– 3 hour rating with 5/8" panels and 3" thick<br />
concrete<br />
• optional veneer plaster<br />
• <strong>USG</strong> DGL Drywall Suspension System UL Des G526 B-15<br />
• 1/2" or 5/8" Sheetrock <strong>Fire</strong>code C Core<br />
gypsum panels<br />
– joints finished<br />
– 2-1/2" concrete on riblath<br />
– steel bar joists, 24" o.c.<br />
• optional veneer plaster<br />
clg. wt. 2 • 1/2" x 24" x 24" FC-CB gypsum panels<br />
• DXL, DXLA, DXLH, DXLZ, DXLZA, SDXL,<br />
or SDXLA Susp Exp Grid System<br />
– light fixtures and air ducts optional<br />
UL Des G222 B-16<br />
22"<br />
– 2-1/2" concrete deck on riblath or corrugated<br />
steel deck<br />
– steel bar joists, 24" o.c.<br />
26 <strong>USG</strong> <strong>Fire</strong>-<strong>Resistant</strong> <strong>Assemblies</strong>