Application: Fire resisting doorset
Fire Resistance Period: 30 to 60 minutes
Insulation/integrity: Integrity
Approval Type: Certifire CF355

Pyroplex® Intumescent Strip provides a basic intumescent seal for fire rated metal and timber door leaves and frames. It is also ideal for general gap filling in buildings eg. suspended floors, soffits and ducting. It can be fitted under door hinges, locks and closers. Pyroplex® Intumescent Strips are ideal for new build and retro-fit applications.

Pyroplex® Intumescent Strip is supplied in a continuous coil to minimise wastage and is quick and easy to fit as no special tools are required.

Testing & Certification

Approval Type

Certifire TS35 Certificate No. CF355

  • Supplied with a high grade self-adhesive backing for ease of application and installation.
  • Supplied on continuous reels for dispensing applications.
  • Identification on each product ensures full traceability.
  • Pyroplex® intumescent material is high-pressure and multi-directional.
  • Pyroplex® intumescent material is totally unaffected by water, robust, ‘non-flaking’ and difficult to tear.
  • Pyroplex® intumescent material is black in colour.

Pyroplex® Intumescent Strip has been specifically designed for use in the following applications:

  • Surface mounted applications.
  • For use single and double action leaf doors.
  • Insulated and non-insulated steel doors and frame.
  • New build and retro-fit applications.

Intumescent Strip - No Adhesive

Intumescent Strip with Adhesive

With Adhesive Part No.No Adhesive Part No.Profile Dimensions (mm) [W x D]Indication of Fire Performance – 30 MinuteIndication of Fire Performance – 60 Minute
30086819610 x 2.0
849210 x 2.5
30085836615 x 2.0
850115 x 2.5
30074821220 x 2.0
892120 x 2.5
30142829425 x 2.0
893425 x 2.5
30075843230 x 2.0
895830 x 2.5
824145 x 2.0
845645 x 2.5
3018745 x 4.0
3014650 x 2.0

1. Clean the substrate to remove surface oils, failure to remove surface greases may result in a delamination or poor adhesion to the substrate.
2. Remove the self-adhesive backing liner from the Intumescent Strip and apply the product to the substrate.
3. To achieve excellent adhesion seals must be applied to clean, dry surfaces at temperatures between +5°C and +40°C.

The Pyroplex® range of Fire Door Seals have been extensively tested in the UK, Europe and worldwide, to national and international standards. Compliant with the requirements given in Certifire TS35 – Certifire CF355.

Providing the product is installed in accordance with the requirements of the guidance document the product is guaranteed for a period of 10 years.