FireMac Fire Rated Duct Systems


The range of Firemac Duct systems are extensively tested and assessed to BS 476: Part 24: 1987 (ISO 6944 - 1985) and use a fire protection cloth called Firemac FM Fabric, Firemac FM60 (one hour fire resistance), Firemac FM120 (two hours fire resistance) and Firemac FM240 (four hours fire resistance) , this cloth is bonded and mechanically fixed onto steel ductwork by the ductworker at the point of fabrication rather than on the building site.

Why use Firemac Duct Systems?

The fabric used in Firemac systems has been developed to meet the demands of the HVAC industry and is applied at the point of fabrication, keeping all aspects of the project in house and under our control. 


This ensures any plan amendments can be easily and quickly accommodated, without any loss of time on site.

Where to use Firemac Duct Systems?

Firemac FM Duct systems can be used for fire resisting ventilation, smoke extract, kitchen extract and pressurisation ducts to prevent fire and smoke from spreading through a building. Insulated and uninsulated systems are available.


Firemac fire resisting ductwork can be used in any area of a building to protect life and property and to aid the emergency services in the event of a fire.

Typical areas include:

  • Ventilation Ductwork
  • Smoke Extract Ductwork Systems
  • Non Domestic Kitchen Extract Ductwork
  • Basement and Enclosed Car Park Duct Systems
  • Square, Rectangular, Flat Oval and circular duct systems.
  • Escape Route Ducts
  • Pressurisation Ductwork Systems
  • Basement Smoke Extract Systems
  • Dual Ventilation / Smoke Extract Systems
  • Fume Cupboard Extract Systems
  • High Risk Areas

How can Expervent Help You?

Our in house Design Engineers currently hold acreditation for the Manufacture and Installation of Firemac Fire Duct Systems.


We can visit and survey your premises and offer free impartial advice on existing system upgrades or completely new installations.


Our friendly design team can take you through proposed design options and offer the best solutions to suit your requirements.

Contact Expervent on 0191 489 5400 / 

for your free no obligation survey.

Expervent Ltd.

1 Kings Court Industrial Park

Blackett Street


Tyne & Wear

NE32 3QS


Tel: 0191 489 5400

Useful Links

What is a Local Exhaust Ventilation System?

Guidance on Local Exhaust Ventilation Selection

Institute of Local Exhaust Ventilation Engineers

Guidance on the Control of Substances Hazardous to Health

Chartered Institute of Building Services Engineers

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