Firestop cavity closure.
Aluminium-faced cavity closer with mineral wool core and intumescent capabilities for sealing building envelope cavities to prevent the spread of fire. It creates a barrier to fire in the cavity of rainscreen cladding and façade systems for up to 30 minutes integrity and 30 minutes insulation, with versions for both vertical and horizontal applications. Can be used in ventilated rainscreen cladding façades with gaps of 25 mm or less.
Mineral wool with aluminium facing
P10/432 Cavity barriers
P10/435 Ventilated cavity barriers
P10/77 Ventilated cavity barriers
P12/360 Mineral wool rigid batts
P12/40 Mineral wool rigid batts
Insert requirement, available 41–403 mm.
Standard product features
Mineral wool with aluminium facing.
Up to 30 minutes.