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UL U493
Chase Wall - Steel Stud (Non-Load-Bearing)
| Fire Rating | 2 hours |
| System STC | 65 |
| System Thickness | 10.75 in. |
Assembly Construction
Assembly Construction
Layer 1 - Gypsum Panel:
1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX)
Layer 2 - Gypsum Panel:
1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX)
Layer 3 - Steel Studs:
1 layer 3-5/8" [92 mm] steel studs, EQ20 (0.018"), staggered, 16" [406 mm] O.C.
Layer 4 - Insulation:
1 layer 3-1/2" [89 mm] Fiberglass insulation
Layer 5 - Air Space:
1 layer 1" [25.4 mm] air space
Layer 6 - Steel Studs:
1 layer 3-5/8" [92 mm] steel studs, EQ20 (0.018"), staggered, 16" [406 mm] O.C.
Layer 7 - Insulation:
1 layer 3-1/2" [89 mm] Fiberglass insulation
Layer 8 - Gypsum Panel:
1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX)
Layer 9 - Gypsum Panel:
1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX)
Notes