Product group image
Application picture
Application picture
1   1

Fire I Barr Cavity Barriers

Designed to protect the building void between the inner and outer construction elements

fischer Fire|Barr FFB-VS Ventistop is a foil faced stone wool pre-cut unit which has a powerful intumescent graphite strip closing down ventilation cavity of open state rainscreen claddings in the event of a fire. The fischer Fire|Barr FFB-VS Ventistop is manufactured specifically to the ventilation cavity of your project. The fischer Fire|Barr FFB-VS is tested to the ASFP Technical Guidance Document TDG 19.

Product Description

Advantages
  • Fire resistant testing to BS476 to 120 and 60 minutes
  • Acoustic isolation on testing to EN10140 to 39 dB (non-ventilated)
  • Suitable for close up to 25 mm ventilation gap
  • Voids up to 450 mm wide
  • Free of halogens, asbestos, fibres and silica and is non-toxic
  • Life expectancy of over 25 years
  • Contributes to green building

Available Product Variants

Application and Permission

Applications
  • Horizontal and vertical cavities between the inner and outer construction elements
Building materials
  • Concrete slabs, columns and walls
  • Curtain wall assemblies
  • Stone cladding, etc.
* You can find detailed information on building materials in the registration document.
For Details see corresponding Documents

Assembly Instruction

Functioning
  • 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 mm air gap, that allows air flow and moisture to pass down the back of the cladding. Under fire condi-tions, the powerful intumescent along the front edge expands horizontally to close the gap and prevent the passage of fire.
Installation graphic
Installation graphic
Installation graphic
Installation graphic
Installation graphic
Installation graphic
Installation graphic
10.209.131.18