TENMAT FIREFLY 107 is an exceptionally powerful intumescent which combines fast reaction with high expansion and pressure generation.

TENMAT FIREFLY 107 produces a solid char of good integrity. It is suitable for a wide range of applications including penetration seals for pipes, pipe and duct fire wraps, fire collars, cladding and rainscreen cavity fire barriers and other construction joint and gap sealing applications where the high expansion characteristics lead to economical material usage

Availability: See the Product Dimensions section below

  • 30:1 expansion ratio
  • High expansion and pressure generation
  • Fast reaction


TENMAT FIREFLY FF107 is available in a variety of thicknesses from 2.5mm up to 6 mm in sheets up to 2150 x 1050 mm, or alternatively it can be slit to a variety of widths and lengths within those dimensions. The material can be supplied with self-adhesive backing, please speak to TENMAT if this is required.

Thickness (mm) Thickness
with Self-Adhesive (mm)
with PVC Coating (mm)
Width (mm) Length (m)
3 3.3  3.6  1050  2150
4 4.3  4.6  1050 2150
5 5.3  5.6  1050 2150
6 6.3 6.6  1050 2150

For more information, to order or to speak to a member of our product team

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