UL U423, U425
Interior Partitions, Steel Stud (Load-Bearing)

Stc
0
Fire Rating
1 Hour
System Thickness
4-3/4"

Stc 0
Fire Rating 1 Hour
System Thickness 4-3/4"

Assembly Details

Floor/Ceiling Runners

Channel-Shaped, 3-1/2" min. wide with 1-1/2" min. legs, fabricated from No. 20 GA. Min. (0.0329" min. Bare Metal Thickness) Corrosion Resistant Steel. Attached to floor and ceiling with steel fasteners spaced not greater than 24"
Gypsum Board

5/8" thick Gypsum Board (UL Type ULIX™)
Steel Studs

3-1/2" Steel Studs, 20ga. MSG., Spaced 24" O.C.
Insulation

3-1/2" thick Knauf EcoBatt Insulation
Lateral Support Members

Where required for lateral support of Studs, support may be provided by means of Steel Straps, Channels or other similar means as specified in the design of a particular Steel Stud Wall System (not shown)
Gypsum Board

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

Notes

View assembly information on UL Website.

Compatible Products

Available insulation products for UL U423, U425.

Performance+™ EcoBatt® Insulation

Quality engineered thermal and acoustical fiberglass batt insulation with innovative ECOSE® technology is ideal for floors, walls, ceilings and attics.

Applications

Walls, Ceiling, Sound Control, Floor, Attics, Mid-Floor

Thickness

2.5" - 13.75"

R-Value

R-8 - R-49

Width

11" - 24"

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UL U423, U425 Interior Partitions, Steel Stud (Load-Bearing)

Stc

Fire Rating

System Thickness

UL U423, U425
Interior Partitions, Steel Stud (Load-Bearing)