We manufacture Flameshield® Fireduct, non-coated fire-rated ductwork systems, which are made from galvanised sheet metal on our dedicated machinery. No spray means no curing time so less time from design to delivery and installation.

Our products provide not only the performance and reliability expected of a leading brand, but most importantly full compliance with European regulations. Flameshield® Fireduct complies with BS 476 part 24 and Firth Sheet Metal is a licensed manufacturer of Flameshield fire-rated ductwork.


  • 2 hour insulation
  • 4 hour stability
  • 4 hour integrity

Some of the construction projects, which have specified and used Flameshield® include:

  • The Olympic Stadium
  • One New Change
  • The Shard
  • St Bartholomew's Hospital
  • AWE Aldermaston

A full range of products are available and technical specification available on request on request.