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UL U420

Chase Walls - Steel Stud (Non-Load-Bearing)

Fire Rating 2 hours
System STC n/a
System Thickness 6 3/4 in.

CAD/Revit & Acoustics

Assembly Construction

Assembly Construction

Layer 1 - Gypsum Board:

5/8" Thick Gypsum Board (UL Type ULIX™)

Layer 2 - Steel Studs:

1-5/8" Steel Studs, 25ga. MSG., Spaced 24" O.C.

Layer 3 - Insulation:

Mineral Wool Insulation, Friction-Fitted to Fill Stud Cavity

Layer 4 - Bracing:

Per UL Design

Layer 5 - Air Space:

1" Air Space

Layer 6 - Steel Studs:

1-5/8" Steel Studs, 25ga. MSG., Spaced 24" O.C.

Layer 7 - Insulation:

Mineral Wool Insulation, Friction-Fitted to Fill Stud Cavity

Layer 8 - Gypsum Board:

5/8" Thick Gypsum Board (UL Type ULIX™)

Notes