Yes, ARC Spandrel Barrier carries up to 1 hour fire rating.
ARC Spandrel Barrier seals the top of the party wall cavity, allowing a zero U-value to be achieved when used in conjunction with ARC T-Barrier vertically. Spandrel Barrier is compressed between the top of the party wall blockwork and underside of the spandrel panel, creating a fire and thermal break.
| Insulation | Rockfibre mineral wool |
| Thermal conductivity | 0.037W/mK |
| Fire rating | Up to four hours fire integrity around edge of party wall Up to one hour fire integrity between the spandrel panel and blockwork |
| Test standard | BS 476: Part 20: 1987 and BSEN 1366-4: 2006 |
Is this product fire rated?
Yes, ARC Spandrel Barrier carries up to 1 hour fire rating.
What if my party wall design requires a spandrel panel on both leaves of the party wall?
We can manufacture a double spandrel barrier on request. Contact our sales team to enquire about this option.
Fire product
ARC U-Barrier is compressed between the top of the spandrel panel and underside of the roof covering, creating a fire and thermal break.
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Fire product
The ARC T-Barrier is designed to provide a fire, thermal and acoustic break at the junction between the external cavity and the party wall cavity.
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Fire product
ARC Soffit Slab is designed to fill the void within the soffit, providing a fire, thermal and acoustic barrier between dwellings.
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Cold bridging product
The requirement for ARC Eaves Insulator elevated from the problem of heat loss through the roof membrane at the junction between the pitched roof and the top of the cavity wall.
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