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Rainscreen fast fix cavity barrier (FFCB)

Product 55


[ FFCB ]

Effective solution for ventilated rainscreen cavities, providing air gap of 25mm or 40mm

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An effective solution for ventilated rainscreen cavitity barrier available in a range of sizes, allowing for a continuous air gap of up to 25mm and up to 40mm. The Fast Fix cavity barrier combines high-density rock fibre with intumescent coating on both sides and an intumescent strip. In the event of a fire, the intumescent expands and seals the ventilation gap.  Supplied in 1220mm lengths with 4 fixing brackets per length.


– Effective solution for ventilated rainscreen cavities
– Suitable for both horizontal and vertical application
– Maximum air gap up to 40mm
– Very simple installation process
– Supplied in 1220 mm lengths with 4 fixing brackets
– 2 hours fire protection for cavities from 75mm to 315mm
– Fire test performance according to the BS EN 1363-1:1999, achieving 2 hours fire protection.

Application Instructions

The barrier must be mechanically fixed to the substrate at maximum 500mm centres with non-combustible fixings. When fixing the brackets into the barrier, ensure they are fully pushed and centered in the middle.
When attaching to the wall, ensure there are no gaps between the substrate and the barrier.

Order References / Sizes