Wall Cavity Fire Barrier is made from foil faced high density stone wool and is suitable for use in all cavity walls, as well as for fire stopping between a curtain wall system and a concrete floor slab.


Foil faced stone wool fire and smoke barrier for all cavity walls and curtain walls, horizontal and vertical use.


The barrier prevents the passage of flame and smoke within the cavity it fills for a range of fire rating periods dependent on thickness of the fire barrier, with a maximum of 240 minutes with the 100mm extra high-density barrier with lap joint.

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