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Home / Assemblies / UL X152
UL X1521.5-hr Fire RatingBeamLoad-Bearing
Mineral WoolDesign

Steel Beam — Spray-applied mineral fiber

UL-listed 1.5-hour fire-rated steel beam assembly. Steel plate girder with Spray-applied mineral fiber, 1.5-hour fire rating.

Cross-Section Diagram

12BEAM PROTECTIONSECTION · NOT TO SCALE2 LAYERSsee legend for ① ② ③
Legend
1Steel plate girder(24")
2Spray-applied mineral fiber(1.2")

Specifications

Fire Rating
1.5-Hour
Load Bearing
Yes
Total Thickness
26.4"
Source / Publisher
UL (Underwriters Laboratories)
Design Number
X152
Assembly Type
Beam
Test Standard
CAN/ULC-S101
Construction Group
Non-Combustible
Number of Layers
2 layers

Applicable Codes

IBC 2024 §722IBC 2021 §722

Construction Summary

Steel plate girder with Spray-applied mineral fiber, 1.5-hour fire rating

Material Layers

LayerMaterialThickness
1Steel plate girder24"
2Spray-applied mineral fiber1.2"

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.