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20x4mm Fire Only Intumescent Strip


  • Tested to BS476
  • Certifire compliant to TS35/TS21
  • Wide range of colours available
  • Self-adhesive backing
  • Unaffected by water
  • Suitable for both new-build and retro-fit applications
  • 2.1m lengths
  • Quick and easy to fit

Pyroplex® range of Rigid Box Seals provide a traditional fire only and fire and smoke seal for fire rated timber door edges and frames. They are suitable for rebates in timber door leafs or frames in single and double action, single or double doors. Pyroplex® Rigid Box Seals are ideal for new build and retrofit applications.

Pyroplex® Rigid Box Seals are supplied in 2.1m lengths as standard and are quick and easy to fit as no special tools are required. They are supplied with an acrylic self-adhesive tape backing for ease of application. Pyroplex® Rigid Box Seals are tested to BS 476: Part 22: 1987 and other international standards and are compliant with the requirements given in Certifire TS35

Clear selection
SKU: 20x4mm-fire-only-intumescent-strip Categories: ,

Additional Information

Weight 0.2 kg
Fire Rating
Sign Type

Black, Brown, White


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