Expanding Foam

Pyroplex Fire Rated Expanding Foam

(Meet BS 476:Part 20:1987 2 Hours Fire Rating)
Pyroplex Fire Rated Expanding Foam is a flame retardant based polyurethane expanding foam, which sets in a solid form by using moisture present in the atmosphere. The product is suitable for sealing gaps around doors and window frames, using secondary fire sealing media around services, such as metallic cable trays and general service penetrations.

Pyroplex Fire Rated Expanding Foam is an ablative product, which will achieve a fire resistance period of up to 120 minutes when used in conjunction with a mineral fiber backing material.

Product features

  • Fire Resistance of up to 2 hours dependent upon gap to depth ratio.
  • Quick curing, can be cut, sawn or formed within 60 minutes of application
  • Easy to install, with up to 3m linear joint being fitted in under



  • Field of Application

    Pyroplex Fire Rated Expanding Foam is suitable for use in a wide range of construction and building fire stopping solutions, including :
  • Cavity joints between doors and window frames.
  • Non-combustible services, including ducts and cable trays.
  • Our aim is to provide high-quality facade accessories at an affordable price as well as providing "all weather" customer services to our clients.


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