Astro FlexiFire is a graphite-based intumescent material that offers high levels of expansion and insulation, preventing heat transfer on rebated hardware. All ironmongery installed on a fire door must be fitted without compromising the integrity of the complete fire door assembly. This is of particular importance where ironmongery is rebated into the doorset such as hinges, locks, latches.

As the material reaches its activation temperature of 180°, the intercalated graphite particles expand many times their original volume. Astro FlexiFire is an ultra thin and flexible high performance graphite based intumescent sheet. At 0.8mm Astro FlexiFire offers high levels of expansion and insulation preventing heat transfer on ironmongery rebated into timber doorsets.

Flexible and fully customisable the Astro FlexiFire is suitable for use on all types of fire rated hardware. For instance on Door Hinges, Door Locks and Latches, Flush Bolts and Door Controls. Please check that your hardware test evidence is compatible with Astro FlexiFire prior to installation.

Features and benefits:

Multi-directional expansion and pressure provides structure and integrity when filling rebates and voids.
Unaffected by moisture, humidity, atmospheric pollution and other common industrial and household chemical substances.
Only 0.8mm thick - so minimal rebating required.
Successfully tested for 30 & 60 minute applications.
Very flexible and clean to work with.
Will bend without cracking.
Available with or without self adhesive backing
Test in accordance with BS 476 Part 22 : 1987 and BS EN 1634-1.
3rd party accredited IFC 1745 for hardware protection products.
Available with full traceability print.

Astro FlexiFire (IFC Certificate)