UK Manufacturer of Fire Containment Products

Pyroplex Product Range

Fire Rated Systems

Timber Fire Door Sealing System

We have tried and tested solutions for FD30, FD60, and FD90 Timber door cores, with added smoke and acoustic properties where required.

A comprehensive evaluation of our intumescent seals can be found in our Pyroplex® Global Assessment.

View Timber Fire Door Range

Construction Products

We offer a range of solutions for fire stopping, covering cable trays single and bunched cables and PVC pipes through masonry and plasterboard partitions. In addition to our penetration seals we have a range of linier joint sealing silicones and acrylics for use in static and low movement joints.

View Construction Range

Metal & Composite Fire Door Sealing Systems

We have extensive experience in the manufacture of intumescent based sealing systems.

Through our offering of custom design, indicative testing and extensive manufacturing capabilities we can service the requirements of your individual projects.

View Metal and Composite Range

Fire Rated Glazing Systems

We offer a range of 30 and 60 minute glazing seals suitable for use in timber fire doors and timber fire rated screens.

Our profiles have been tested on insulating and non insulated glass in a range of manufactures brands and glass thicknesses.

View Glazing Range

Technical Information and Certification Downloads

Glazed Screen Test

Glazed Screen Fire Test

CE Marked Pipe Collars Test

CE Marked Pipe Collars Fire Test

Linear Joints Test

Linear Joints Fire Test

Intumescent Testing

Intumescent Testing

Pyroplex take an active approach to fire protection both in terms of commitment to new product development and collaboration with UKAS accredited test houses worldwide to develop an ongoing international testing program. We have an onsite indicative furnace for new product development projects and to assess compliance against general standards on an ongoing basis.

We hold third party approval for our range of products through schemes such as Certifire and IFC certification. Third party approval provides confidence that Pyroplex products have achieved certification at a higher level than the minimum requirements placed on the market.

Our technical expertise combined with production capability and certification from leading test houses worldwide mean that specifiers and installers have the upmost confidence when selecting Pyroplex solutions.


All our seals are manufactured by Pyroplex® Limited at our UK factories in Droitwich. Our site covers a 30,000m2 area and includes our own onsite indicative testing furnace.

We are experts in the extrusion of intumescent seals covering single extrusion, co-extrusion, triplex extrusion, offering a wide range of inline finishing options.

Pyroplex® has an extensive range of ‘in-line’ and specialist facilities for:

  • Smoke seal insertion
  • Adhesion of thermally fused flippers
  • Self-adhesive tape backing
  • Printing
  • Assembly
  • Indicative Testing

Pyroplex intumescent is a unique formulation exclusively for the Pyroplex range of products; it has a range of features including:

  • High pressure force during expansion
  • Typical expansion ratio of 25:1 by volume for perimeter applications
  • Typical expansion ratio of 10:1 by volume for glazing applications
  • Not affected by humidity or immersion in water
  • Non-toxic and non-fibrous (dust free)
  • Non-flaking and difficult to tear

Custom Profile Design

We offer a custom design and manufacturing service to meet the requirements of specialist projects or new product designs.

Our Technical Manager can advise on appropriate test programs for various applications including composite door, metal doors, access hatches and many more. We have expertise in testing to British and European standards and an in depth knowledge of the testing criteria set out in BS 476: Part 22 and BS EN 1634-1. These configurations can then be trialed at our onsite furnace, providing indicative test evidence prior to full scale testing at UKAS accredited facilities. More…

About Pyroplex

Pyroplex Ltd has a worldwide reputation as a leading manufacturer and supplier of high performance Fire Containment Systems.

All our systems are supported by international testing and certification, and hold third party approval under internationally recognised schemes.

We manufacture high performance intumescent strips for use in timber doors, composite doors, metal doors and glazing systems. We offer a range that covers fire resistance periods of up to 90minutes. In addition to fire performance we offer solutions with added smoke control and complimentary acoustic characteristics.

When it comes to effective fire containment we are aware that fire doors are one element in a much larger product portfolio. Therefore we manufacture and test an extensive range of construction related fire containment products. Our range covers solutions for linier joint sealing and penetration sealing, offering CE Marked pipe collars and wraps and fire rated acrylics and silicones.

All Pyroplex systems are endorsed by the Pyroplex brand, guaranteeing architects, specifiers and installers that Pyroplex Fire Containment Systems have been tested and approved to the highest possible standards. This includes third party approval through leading schemes such as CERTIFIRE and IFCC.

We also provide a custom design and manufacturing service to meet the needs of specific fire door designs and fire containment systems. We can advise on appropriate types of testing and the use of our onsite test furnace for indicative tests, prior to full scale testing at accredited test houses.

Pyroplex® has a comprehensive coverage of the UK through a distribution network and the multilingual Worldwide Service Centre provides the export markets with the complete service.

Latest News

ASDMA Featured Image

Pyroplex supports ASDMA promoting best practice

Understanding the importance of trade associations in developing high standards for the industry, Pyroplex has been a long-standing member of the Architectural and Specialist Door Manufacturers Association (ASDMA).
ASFP Installation Featured

Onsite Guide to the installation of fire stopping systems

Pyroplex is an active member of the Association of Specialist Fire Protection ASFP. As the UK's leading trade association relating to ‘Built-In’ fire protection, the ASFP is dedicated to the protection of life, property, the environment and our heritage and promotes continuous improvement in all aspects of passive fire protection.