Photo of FF102

TENMAT FIREFLY 102 is a rigid intumescent material that possesses excellent pressure generation and expansion performance. TENMAT FIREFLY 102 produces a very solid and durable char structure.

TENMAT FIREFLY 102 is suited to wide range of applications including as a fire seal for door and glazing applications, ironmongery protection, cladding & rainscreen cavity fire barriers, construction joints, gaskets and general gap sealing. TENMAT FIREFLY 102 is a halogen free graphite based intumescent material which produces a particularly stable and resilient insulating char structure during and after expansion.


TENMAT FIREFLY 102 is available in a variety of thicknesses, from 1.5 mm up to 6 mm*, with or without self adhesive or PVC coatings. It can be supplied in sheets up to 2150 x 1050 mm, or alternatively it can be slit to a variety of widths and lengths within those dimensions.

  • 26:1 expansion ratio
  • Stable and resilient insulating char
  • Rigid material
  • Halogen free

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