Verified by manufacturer 6 months ago
Fire barriers providing up to two hours fire protection for vertical external wall cavities.
Suitable for closing vertical external wall cavities up to 600 mm wide.
Tenmat’s NVFB Non-Ventilated Cavity Fire Barriers, are manufactured from stone mineral wool with an A1 Reaction to Fire Rating and are designed to maintain fire resisting performance to external wall cavities.
The NVFB is capable of providing effective fire resistance, for integrity (E) and insulation (I) for up to 120 minutes (EI120) depending upon the orientation of the NVFB and the construction of the external walls.
Tenmat NVFB is supplied cut to size to suit the cavity width or can be supplied in full slabs. It is supplied as plain stone mineral wool as standard and can also be supplied with foil encapsulation or with an integral DPC.
The NVFB is designed for use within cavities up to 600mm wide and only requires 5mm of compression when fitting.
Product Details
Sizes
Cut to Size: 100mm Deep x Width to suit cavity (+5mm for compression fit) x 1000mm
Full Slabs:
100mm x 605mm x 1003mm (available plain or foiled).
100mm x 1000mm x 1200mm (available plain only).
Non-standard 82mm thickness available upon request.
Material | Mineral wool |
Shape | Rectangle |
Length | 1000 mm Manufacturer guidance(Total cavity plus 10 mm for compression fit) x 100 x 1000 mm. |
Height | 100 mm |
Uniclass | |
CAWS | H92/776 Thermal insulation P12/360 Mineral wool rigid batts P12/40 Mineral wool rigid batts P10/40 Insulation fitted betweenor to the face ofstuds |
Material | |
Facing | Mineral wool. |
Fire performance | Manufacturer guidanceInsert requirements. Up to two-hours (120 minutes) Integrity and Insulation dependent on cavity size and wall construction. Consult manufacturer's literature for more information. |
Attachment | 2 No. multipurpose (MP) brackets fixed with self tapping |