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Home / Assemblies / UL U294
UL U2941-hr Fire RatingWallSTC 57
Steel StudGypsum BoardMineral WoolResilient ChannelPartitionHigh STCDesign

Steel Stud Wall — single layer 1/2" Type X on resilient channels

UL-listed 1-hour fire-rated steel stud wall assembly. 6" steel studs at 16" o.c. with R-15 mineral wool batt, single layer of 1/2" Type X gypsum board each side on resilient channels.

Cross-Section Diagram

123459.38"WALL ASSEMBLYSECTION · NOT TO SCALE5 LAYERSsee legend for ① ② ③
Legend
11/2" Type X gypsum board(1/2")
2Resilient channels at 24" o.c.(7/8")
36" steel studs at 16" o.c.(6.0")
4R-15 mineral wool batt
51/2" Type X gypsum board(1/2")

Specifications

Fire Rating
1-Hour
STC Rating
STC 57
Load Bearing
No
Total Thickness
7.875"
Source / Publisher
UL (Underwriters Laboratories)
Design Number
U294
Assembly Type
Wall
Test Standard
UL 263
Construction Group
Light Frame
Number of Layers
5 layers

Applicable Codes

IBC 2021 §722IRC R302.1

Construction Summary

6" steel studs at 16" o.c. with R-15 mineral wool batt, single layer of 1/2" Type X gypsum board each side on resilient channels

Material Layers

LayerMaterialThickness
11/2" Type X gypsum board1/2"
2Resilient channels at 24" o.c.7/8"
36" steel studs at 16" o.c.6.0"
4R-15 mineral wool batt—
51/2" Type X gypsum board1/2"

Important Notice

This assembly listing is for reference only. Always verify against the current UL Product iQ database before specifying in construction documents. Material substitutions may void the fire rating. Consult with a qualified fire protection engineer for project-specific requirements.