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Fire-Resistant Assemblies - USG Corporation

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A<br />

Partitions<br />

Shaft Wall Systems<br />

1 Hour <strong>Fire</strong>-Rated Construction Non-Loadbearing Acoustical Performance Reference<br />

Construction Detail Description Test Number STC Test Number Index<br />

wt. 8 • 5/8" Sheetrock <strong>Fire</strong>code Core UL Des U415, A-81<br />

3 1 ⁄8"<br />

2 Hour <strong>Fire</strong>-Rated Construction<br />

gypsum panels, joints finished System A<br />

• 2-1/2" <strong>USG</strong> C-H Studs 25 gauge 24" o.c. or U469<br />

• 1" Sheetrock gypsum liner panels<br />

22 <strong>USG</strong> <strong>Fire</strong>-<strong>Resistant</strong> <strong>Assemblies</strong><br />

39 <strong>USG</strong>-040901<br />

Based on 4" C-H studs 25 gauge<br />

wt. 9 • 1/2" Sheetrock <strong>Fire</strong>code C Core gypsum UL Des U415, 38 <strong>USG</strong>-040917<br />

A-82<br />

3 1 ⁄2"<br />

panels, face layer joints finished System B<br />

• 2-1/2" <strong>USG</strong> C-H Studs 25 gauge 24" o.c. or U438<br />

• 1" Sheetrock gypsum liner panels<br />

43 <strong>USG</strong>-040912<br />

Based on 4" C-H studs 25 gauge<br />

48 RAL-OT-04-022<br />

Based on 1" sound batts in cavity<br />

50 RAL-OT-04-019<br />

Based on 4" C-H studs 25 gauge with<br />

3" mineral fiber insulation<br />

wt. 8 • 3/4" Sheetrock Ultracode Core gypsum UL Des U415, 51 RAL-OT-04-020<br />

A-83<br />

panels, joints finished System C<br />

Based on 4" C-H studs with 3" thermaFiber<br />

• 4" <strong>USG</strong> C-H Studs 25 gauge 24" o.c.<br />

– 3" thermaFiber SAFB<br />

• 1" Sheetrock gypsum liner panels<br />

SAFB insulation<br />

4 3 ⁄4"<br />

wt. 9 • 1/2" Sheetrock <strong>Fire</strong>code C Core gypsum UL Des U415, A-84<br />

3 1 ⁄2"<br />

panels System E<br />

• 2-1/2" <strong>USG</strong> C-H Studs 25 gauge 24" o.c. or U467<br />

• 1" Sheetrock gypsum liner panels<br />

– joints finished both sides<br />

44 <strong>USG</strong>-040911<br />

Based on 4" C-H studs 25 gauge<br />

wt. 10 • 1/2" Sheetrock <strong>Fire</strong>code C Core gypsum UL Des U415, A-85<br />

4"<br />

panels applied vertically, face layer joints finished System F<br />

– RC-1 resilient channel or equivalent 24" o.c.<br />

• 2-1/2" <strong>USG</strong> C-H Studs 25 gauge 24" o.c.<br />

• 1" Sheetrock gypsum liner panels<br />

53 <strong>USG</strong>-040909<br />

Based on 4" C-H studs 25 gauge with<br />

3" mineral fiber insulation<br />

58 <strong>USG</strong>-040910<br />

Based on 4" C-H studs 25 gauge with<br />

additional layer on liner panel side and<br />

3" mineral fiber insulation<br />

wt. 8 – 1" x 2" perimeter angles 25 gauge<br />

• 1/2" Sheetrock <strong>Fire</strong>code C Core gypsum<br />

UL Des U529 A-86<br />

2"<br />

panels, fastened to angles<br />

• 1" Sheetrock gypsum liner panels<br />

• 1/2" Sheetrock <strong>Fire</strong>code C Core gypsum<br />

panels, joints finished<br />

2"

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