FFB-VS & FCFcl: Fire protection for ventilated rainscreen facades

Effective ventilated fire barrier designed to close the void between the inner and outer construction elements
VentiStop Cavity Barrier FFB-VS
FFB-VS a foil-faced stone wool pre-cut unit, which has a powerful intumescent graphite strip bonded to the exposed face. The intumescent graphite strip is pre-wrapped with a durable polythene adhesive sheet to prevent water ingress. FFB-VS has been designed to provide a 25 and 50 mm ventilation gap, that allows air flow and moisture to pass down the back of the cladding. Under fire conditions, the powerful intumescent along the front edge expands horizontally to close the gap and prevent the passage of fire.
Cavity FireStop Clad FCFcl
FCFcl Cavity Clad comprises of a one piece closed dimension stone wool core. The product is encased with an aluminum foil face which provides class ‘O’ rating and exhibits excellent resistance to smoke. The FCFcl Cavity Clad provides a resilient lateral compression which is required to ensure a tight fit.