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Spandrel Barrier

Spandrel Barrier
Fire product

ARC Spandrel Barrier

  • Up to four hours fire integrity around edge of party wall
  • Up to one hour fire integrity between the spandrel panel and blockwork
  • Use in conjunction with ARC T-Barrier vertically to create an effective edge seal around the party wall cavity
  • Zero U-value can be achieved
  • Minimises thermal bypass
  • Easy to install

Application

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.

Key stats

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

Frequently asked questions about this product

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.

Industry awards and accreditations for this product

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A render of the Eaves Insulator sitting at the eaves junction. It features a black tray with ventilation ridges attached to a green bag of glass fibre insulation. The product is in-situ.

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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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