UL C1011-hr Fire RatingJoint System
Mineral WoolDesign
Floor-to-Wall Joint — Intumescent System
UL-listed 1-hour fire-rated floor-to-wall joint system. Floor-to-Wall Joint, 1/2" max width, Intumescent putty pad with mineral wool backer.
Cross-Section Diagram
Legend
1Mineral wool backer(2")
2Intumescent putty pad(3/8")
Specifications
Fire Rating
1-Hour
Load Bearing
No
Total Thickness
Varies
Applicable Codes
NFPA 5000IBC 2024 §714
Construction Summary
Floor-to-Wall Joint, 1/2" max width, Intumescent putty pad with mineral wool backer
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.