FJ260 Non-ventilated Cavity Fire Barrier
Verified by manufacturer 2 months ago
Mineral Wool Cavity Fire Barrier with up to 120 minute Integrity and 120 minutes Insulation. For horizontal and vertical use in non-ventilated facades and vertical use in ventilated facades.
Application
- Suitable for the vertical and horizontal closing of cavities up to 600 mm wide between framed and sheathed walls including SFS and timber framed walls with a masonry outer leaf up to 299 mm.
- Suitable for the vertical closing only of the airspace between a framed and sheathed wall with ventilated external rain screen cladding.
- Suitable for the vertical and horizontal closing of the cavities between twin masonry walls.
Description
Nullifire FJ260 Non-ventilated Cavity Fire Barrier, is manufactured from stone mineral wool with an A1 Reaction to Fire Rating and is designed to maintain fire resisting performance to external wall cavities.
It's capable of providing effective fire resistance, for integrity and insulation for up to 120 minutes depending upon the orientation of the NVFB and the construction of the external walls.
Nullifire FJ260 Non-ventilated Cavity Fire Barrier is designed for use within cavities up to 600 mm wide and only require 5 mm of compression when fitting.
FJ260 can be supplied cut to size to suit the cavity width but is generally supplied in full slabs for accurate onsite cutting to size. Although FJ260 is supplied as plain stone mineral wool as standard, it can also be supplied with foil encapsulation or with an integral DPC by special request.
General information
Color | Beige |
Finish | Other Guidance for specification option: Plain. |
Material | Stonewool Mineral wool |
Shape | Rectangle |
Length | 1000 mm |
Width | Bespoke Guidance for specification option: Cut to size on site. |
Height | 100 mm |
Warranty description | Other Guidance for specification option: Any product which has been applied (a) in accordance with Tremco CPG UK Ltd written instructions and (b) in any applications recommended by Tremco CPG UK Ltd, but which is proved to be defective, will be replaced free of charge. |
Uniclass | |
CAWS | P12/360 Mineral wool rigid batts P12/40 Mineral wool rigid batts P10/40 Insulation fitted betweenor to the face ofstuds |
Product range |
Specification data - Mineral wool fire-stopping
Material | |
Third-party certification | UL-EU Certified.Guidance for specification option: UL-EU-01265-CPR Classification: Up to 2 hours Integrity and Insulation depending on cavity size and wall construction. Consult manufacturers' literature for more detailed information applicable to varying wall and floor types. |
Type | Rigid. |
Density | 110 kg/m³. |
Facing | Plain.Guidance for specification option: As standard. Metal foil laminate.Guidance for specification option: Can also be supplied with foil encapsulation by special request. Subject to MOQ and extended lead time. Integral DCP.Guidance for specification option: Can also be supplied with integral DPC by special request. Subject to MOQ and extended lead time. |
Fire performance | Reaction to fire classification of A1, as defined in BS EN 13501-2.Guidance for specification option: Non-combustible. |
Composition | Stone mineral wool. |
Bond | 2 no. Nullifire FO306 small 160 mm or F0307 large 328 mm multipurpose (MP) stainless steel brackets fixed with non-corroding self-tapping fasteners. Guidance for specification option: Non-corroding fasteners supplied by others. |
Shape | Rectangle. |
Thickness | 100 mm. Guidance for specification option: As standard. 82 mm. Guidance for specification option: Reduced depth by special request only. |
Length | 1000 mm. |
Width | 1000 mm. Guidance for specification option: As standard or varies when cut to size at the factory to suit construction details. |
Colour | Beige. |
Fire resistance (integrity and insulation) | Up to E120 I60 (SFS wall systems). Manufacturer guidanceFire Performance Framed walls. |
Life expectancy | ≥60 years. Guidance for specification option: At least 60 years. |
Installation accessories | Tape measure. Manufacturer guidanceConsult manufacturer for guidance. |
Execution | Guidance for specification option: In strict accordance with the manufacturers Technical Data Sheet, Test Data and separately available detailed NBS Product Specification. The principal designer must approve the use of any cavity barrier, whether open-state or full-fill, in conjunction with the products fire classification reports, taking full account of the whole construction of the external wall systems and the components, including any requirements of the Building Regulations and Warranty provider standards. Nullifire FJ260 should be installed in a continuous run. Where this is not possible, details should be agreed upon with the principal designer and or fire engineer. Horizontal cavity barriers should be installed adjacent and tightly abutted to any vertical cavity barriers, the vertical Non-ventilated cavity barriers should be installed first. FJ260 Non-ventilated Cavity Barriers may be cut to length as required, adjacent lengths must be tightly abutted together. Neither Nullifire F0306 nor F0307 MP Fixing brackets must not penetrate through the face of the barrier. Screws for direct fixings and fixings to secure brackets are not supplied by Nullifire. The F0306 or F0307 MP brackets used to fix FJ260 Non-ventilated Cavity Barriers must be installed with the spike inserted centrally through the mineral wool. The use of tape is not required over joins between lengths of FJ260. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Literature
FJ250 Technical Data Sheet (en-GB)
FJ260 Performance Data (en-GB)
Nullifire Cavity Fire Barriers Leaflet
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