Provides up to 120 minutes fire resistance for ventilated openings

Insulation-120mins Integrity-120mins


An intumescent matrix supported in a steel frame. Under normal conditions, air is free to pass through in either direction with a free area of approximately 80%.

Anti-vermin mesh is incorporated as standard.

In a fire, the matrix is sealed by the expansion of the fibre/graphite composition.

Decorative grilles can be provided to special order.


  • œApprox. free area 80%
  • œMoisture and vermin resistant

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