Nullifire FB750 Intubatt is a lightweight fire barrier comprising of a rock mineral fibre board with a uniquely identifiable ablative coating. FB750 is designed to reinstate the fire performance of compartment walls and floors that have been breached, providing a fire, smoke, thermal, acoustic and air pressure seal. Our excellent formulation also incorporates a unique identification property offering architects, specifiers, main contractors, and applicators guaranteed traceability of product on-site. Optifire technology is activated by exposing the products surface to a UV light source, which offers easy and instant product identification. Nullifire FB750 also features Optifire+ visible with a Nullifire detector offering lifetime identification, even after a fire. FB750 must be used alongside FS702 Intumastic Fire Resistant Acrylic Sealant to be suitable for sealing around the following service types: Non combustible pipes Cable trays Ladders and baskets (perforated or non-perforate