Fire Spray and Board Protection of Steel Ducts


  • Protection for ducts up to 6000mm wide
  • 1, 2 3 and 4 sided protection
  • Board or Spray Options
  • Single layer applications

Fire Spray and Board Cladding of Steel Ducts

The relative complexity of any ductwork system passing through different fire compartments and the relevance of the system’s function in ambient as well as fire conditions can make the selection of a suitable ductwork system difficult.

Promat provides guidance on fire performance requirements and a wide range of solutions for protecting ductwork and other self supporting systems.

  FRL 120/120/- FRL 120/120/120 FRL 180/180/180 FRL 240/240/240
PROMASPRAY® P300 Spray to Steel Ducts
PROMATECT®-L500 Cladding to Steel Ducts   X   X
PROMATECT®-H Cladding to Steel Ducts X


Note: FRL */*/* (Fire Resistance Limit – *Structural Adequacy / *Integrity / *Insulation)

The following points are some of the factors which should be considered when determining the correct specification to ensure a ductwork system will provide the required fire performance.

  • Required fire exposure
  • Required fire performance
  • Supporting structure
  • Hanger support
  • Steel ductwork
  • Penetrations through walls & floors
  • Movement joints
  • Air flow & leakage
  • Ductwork functions
  • Other requirements

Product Datasheet

Product Datasheet

Application & Technical Manual