IFD-O Intumescent Fire Damper


IFD’s are designed to seal penetrations provided for movement of air via ducted or naturally ventilated means. Kilargo’s IFDs have no moving parts providing a reliability unmatched by conventional mechanical type fire dampers.


  • Cost effective solution
  • Innovative and easy to install lightweight design
  • Suitable for extract and supply systems in commercial, industrial and residential projects
  • No hazardous fibrous packing required
  • No thermal clearances required in installation
  • Reduced maintenance and resultant cost savings
  • Also available as IFD-OSS for aggressive environments

Technical Data

  • Integrity fire rating – 4 hours
  • Sizes available from 100mm up to 350mm Diameter
  • Galvanised sleeve (spigot) 360mm long
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