Product Description

Flexpress 100 is an intumescent strip with a graphite base and a high expansion capability. Flexpress is a fibreless material and expands three-dimensionally during fire. The expansion process begins at a relatively low temperature of 130°C and continues even when high temperatures are reached (>900°C).

Test Certificate

ABZ no. Z 19.11-1488.


Building material classification  DIN 4102 B2 (acc. DIN 4102, part 1)
Expansion start  approx. 130°C
Expansion volume  > 25 fold
Density  approx. 1,2 kg/dm³
Expansion pressure  > 0.7 N/mm²
Colour  Black


Flexpress 100 is especially suitable for the following applications:

  • Filling joints between fire-resistant doors and frames, roller-shutters, windows the adjacent walls
  • Filling joints between building elements
  • Jointing wall junctions and filling cavities around junctions, pipe ducting and cable compartments

Available sizes

Flexpress 100 can be supplied in rolls or strips, with a self-adhesive layer with PVC or aluminum backing.

  • Thickness: ranging from 0.8 – 2.5 mm
  • Widths: between 9 and 340 mm

The information in this document is based on our knowledge and experience to date. This information does not release the user from carrying out independent tests and trials due to the various influences when processing and applying our product. It is not possible to derive a guarantee of certain properties of suitability of the product in a concrete application case based on our information. All the descriptions, drawings, photographs, data, conditions, weight etc. included  may change without previous announcement; they do not constitute the contractually agreed property of the product. The recipient of our product is responsible to observe any trade mark rights and existing laws and regulations.

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