Fire ventilation grilles

Technical data

Construction:

  • fire ventilation grilles, class EI90
  • fire ventilation dampers, class EI90

Design:

  • in wall (ventilation grille)
  • in leaf (ventilation grille, damper)

Useful area:

  • grille up to 60 % net
  • damper up to 80 % net

Installation:

  • galvanised steel sheet
  • expanded materials
  • meltable fuse
  • protective net

Finishing:

  • galvanised, or
  • plasticised in RAL colours

Thickness: 125 mm in door leaf