U-Barrier
Speak to an expert
Key Stats
| Key Stats Label | Key Stats Value |
|---|---|
| Insulation | Rockfibre mineral wool |
| Thermal conductivity | 0.037W/mK |
| Fire performance: Integrity | Up to 240 minutes |
| Fire performance: Insulation | Up to 180 minutes |
| Test standard | EN1366-4 |
| Mass | Data available on request |
Key Benefits
Fire Product
Excellent thermal properties
Exceeds performance requirements
Third party certificated
Would like to know more about our U-Barrier?
Installation instructions
FAQ’s
Is the ARC U-Barrier fire rated?
Can the ARC U-Barrier be mechanically fixed?
Do you have further documentation for the ARC U-Barrier?
Related Products
Eco-Closer Plus
ARC Eco-Closer Plus closes wider cavities around window and door openings in masonry walls, providing up to one hour fire integrity.
T-Barrier® Foundation
The ARC T-Barrier Foundation is designed to provide a fire, thermal and acoustic break at the junction between the external cavity and the party wall cavity at foundation level.
Rockfibre Insulated DPC
ARC Rockfibre Insulated DPC is a fire rated cavity closer designed to close the cavity around window and door reveals in conjunction with a return block, fitting between the return block and inner edge of the outer skin of brickwork.
Speak to the Specialists
Our team is here to help you with your high performance fire protection...
For support or more information, contact a member of our expert team. We’re available to speak with Monday to Friday, 8am – 5pm. For technical enquiries including legacy product information please call 0113 252 9428 and select option 2.
Complete the form provided and we will get back to all enquiries as soon as possible.

0113 252 9428
Contact Us