Cavity Barrier systems are made from high density Rockwool 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. The barrier prevents the passage of flame and smoke within the cavity it fills for the period of fire rating. Fireseal specialise in installing Rockwool, Lamatherm and AIM Cavity Barrier Systems.
See data sheet for AIM Cavity Barrier – PDF
See Data Sheet for Rockwool Cavity Barrier – PDF