General Ventilation Systems

Depending on the local authority codes of practice it may be necessary to use fire resisting ductwork (possibly in conjunction with automatic fire/smoke dampers) in areas where there is a high risk of fire or where the ducts pass over or across protected escape routes.

Situations where fire resisting ductwork might be used in lieu of standard ductwork / fire dampers include:

  • Enclosed / Underground Car Park ventilation
  • Basement ventilation
  • Rooms containing flammable materials or materials with a low ignition point
  • Escape routes – used in conjunction with automatic fire/smoke dampers
  • Lift Shaft ventilation
  • Passive Air Transfer Ducts
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