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
Availability: Thickness (Total Cavity plus 10mm for Compression Fit) x 100mm x 1000mm. (80mm 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