UL N1021-hr Fire RatingBeamLoad-Bearing
Design
Concrete Beam — Gypsum board enclosure
UL-listed 1-hour fire-rated concrete beam assembly. Cast-in-place concrete beam with Gypsum board enclosure, 1-hour fire rating.
Cross-Section Diagram
Legend
1Cast-in-place concrete beam(14")
2Gypsum board enclosure(0.62")
Specifications
Fire Rating
1-Hour
Load Bearing
Yes
Total Thickness
15.24"
Applicable Codes
IBC 2021 §722IBC 2024 §722
Construction Summary
Cast-in-place concrete beam with Gypsum board enclosure, 1-hour fire rating
Material Layers
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.