VFB Plus

The VFB Plus Ventilated Fire Barrier is a ‘Open State’ Cavity Fire Barrier system for ventilated cavities of up to 450mm which employs a high expansion intumescent seal fixed to TENMAT High Density Mineral Wool. The product has undergone extensive fire testing and is suitable for use within the majority of construction types, enabling the versatile system to be specified with confidence and provide the installer with a simple, time saving and site friendly solution.

The VFB Plus Ventilated Fire Barrier consists of a high expansion intumescent strip fixed to TENMAT High Density Mineral Wool and encased in polythene. The VFB Plus can be mechanically fixed both horizontally and vertically within ventilated cavities behind rainscreen or cladding systems to act as a cavity fire barrier.

The VFB Plus is a particularly versatile Ventilated Fire Barrier which can be installed in a wide range of construction types. The product is simply mechanically fixed in position to leave up to maximum 44-54mm* air gaps.

Availability: To suit from 50mm up to 450mm cavities

  • Tested for 2 hours
  • Continuouse free air space from 50mm to 450mm cavities.
  • Quick and easy installation
  • Satisfies building regulations
  • Fire and Aged Tested

Test Approvals


Fire Test Approvals

Up to 2 hour fire tested to standards including: BS476: Parts 20 and 22, EN1363-1: 1999, EOTA TR31 and assessed to TGD19 ‘open state cavity barriers’ to ASFP standards for ventilated facades.

Tested in combustible and non-combustible cavity constructions.

Test No.’s: Chilt / A10030
Chilt / IF04065, Chilt / IF06005
Chilt / IF06013, Chilt / IF06040
Chilt / IF08038, Chilt / IF08052
Chilt / IF09011, Chilt / IF09032
Chilt / IF09093, Chilt / A06037
BRE 243-405

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