Sealmaster Intumescent Foam Glazing Tape is a highly compressible and flexible intumescent tape. It has been developed to provide excellent high temperature sealing properties combined with the unique benefit of being a fully flexible and highly compressible foam material. It has been formulated to deliver excellent thermal stability and comprises the benefits of a volume expansion beginning at 180°C, low-medium pressure intumescence and a very high thermal erosion resistance beyond 900°C. It has a degree of expansion of up to 3-4 times its original volume. It is only available in black colour.