| Size/Length | 1200 mm |
|---|---|
| Dimensions | 1200 mm |
NVFB-WB Cavity Fire Barrier

The NVFB-WB from Tenmat is a highly compressible, A1 rated stone wool cavity barrier designed for demanding external wall systems. Tested to BS EN 1366-4, it features a specific fibre orientation that enables effective sealing even where irregular outer surfaces are encountered, such as behind lapped cladding.
In the event of a fire, the NVFB-WB delivers non-ventilated, full-fill fire protection to restrict fire spread in external wall cavities. It offers up to 120 minutes of integrity and insulation, and is suitable for a variety of applications including timber SIPS panels, masonry with DPC membranes, and both lapped and...
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
| Size/Length | 1200 mm |
|---|---|
| Dimensions | 1200 mm |


