Tested in accordance with BS 476: Part 20, TENMAT NVFB Non-Ventilated Fire Barriers provide up to 2 hours fire protection for vertical external wall cavities. The NVFB Non-Ventilated Fire Barrier is used for preventing fire penetration to adjoining compartments within external cavities in a vertical situation for specified periods of up to 2 hours.

They are manufactured to suit cavity widths and are held in placed by a combination of compression and multi-purpose brackets


Thickness (Total Cavity plus 5mm for Compression Fit) x 100mm x 1000mm. (100mm deep in cavities ≤100mm) Can be supplied as Plain Fibre or Shrink-wrapped. 2No. Multipurpose Brackets are supplied per metre. The Barriers must be fitted using these brackets as per installation instructions.

Fire Test Approvals: Fire Tested in accordance with BS EN 1366-3: 2009

  • Simple installation
  • Up to 120 minutes fire rating
  • Maintenance free
  • Unaffected by humidity and moisture
  • Good acoustic insulation
  • Cold smoke seal
  • Thermal Performance

For more information, to order or speak to a member of our product team

  • This field is for validation purposes and should be left unchanged.
Contact Us

Complete the form below to speak with a customer services representative or request a call back.

Not readable? Change text. captcha txt

Start typing and press Enter to search