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Home / Assemblies / UL J106
UL J1063-hr Fire RatingJoint System
Design

Head-of-Wall Joint — Intumescent System

UL-listed 3-hour fire-rated head-of-wall joint system. Head-of-Wall Joint, 3/4" max width, Intumescent wrap strip.

Cross-Section Diagram

1FIRE-RATED JOINTSECTION · NOT TO SCALE1 LAYERsee legend for ① ② ③
Legend
1Intumescent wrap strip(1")

Specifications

Fire Rating
3-Hour
Load Bearing
No
Total Thickness
Varies
Source / Publisher
UL (Underwriters Laboratories)
Design Number
J106
Assembly Type
Joint System
Test Standard
UL 2079
Construction Group
N/A
Number of Layers
1 layers

Applicable Codes

NFPA 5000IBC 2021 §715

Construction Summary

Head-of-Wall Joint, 3/4" max width, Intumescent wrap strip

Material Layers

LayerMaterialThickness
1Intumescent wrap strip1"

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.