Quick Facts

  • Structural Steel Protection
  • Achieve up to 4 hours protection
  • Smooth finished surface
fireboard steel for fire resistant construction
fire rated ducts perth


PROMATECT® L is a light weight mineral matrix board which is white in colour and has a smooth surface with a lightly honeycomb texture on the reverse face.  The fireboard is used for structural steel protection with extreme FRL’s of up to 4 hours.


  • Fire rated duct work
  • Structural steel fire protection