Grayson FireBlox™ is a market-leading Non-Ventilated Cavity Barrier with A1 rated reaction to fire and is tested with SFS.
Manufactured from plain stone mineral wool, FireBlox™ provides effective fire resistance for integrity (E) and insulation (I) for up to 120 minutes (EI120) within external cavity walls. The exact level of performance will depend on the orientation of the FireBlox™ and the construction of the external walls.
FireBlox™ is foil encapsulated and available in both cut-to-size pieces to suit the cavity width, and in full slabs. It can also be supplied with integral damp proof course if required to suit your specific project.
This product is designed for use within cavities of up to 600mm wide and requires only 5mm of compression when fitting.
Why choose FireBlox™?
- Tested for low / zero compression (0mm-5mm)
- Class A rating provides up to 120 minutes of fire integrity and insulation performance.
- Suitable for cavity widths between 10mm and 600mm.
- It can be easily cut to size on-site to suit the dimension of the cavity to be fire-stopped.
Product details:
- FireBlox™ is a cavity barrier that can be used at the junction of compartment floors, compartment/party walls, and around openings
- Suitable for cavities up to 600mm
- For vertical and horizontal use
- Tested for use in conjunction with masonry support brackets
- Tested with SFS systems with calcium silicate fibre cement boards
- 100mm deep x 605mm wide x 1000mm long slab
- Foil encapsulated as standard
- Optional integral DPC to prevent moisture migration
- Fire Resistance Classification to EN 13501-2
- A1 Reaction to Fire
- Fire Rated up to 120 minutes integrity and insulation (EI120)
- No maintenance required after installation
To find out more about FireBlox™ or to place your order today, please contact your Account Manager on 08448 50 40 50.