The Gorter fire-resistant steel roof hatch provides practical and safe access to flat roofs and at the same time, when closed, provides a fire-resistant seal for the space below. Roof hatches can be installed on flat roofs with a maximum slope of 5°.


Fire rating

The integrity of the fire-resistant steel Gorter roof hatch has been assessed by Efectis according to EN1634, EN1530-4 and BS476: part22.



EI 1: 120 minutes

EI 2: 120 minutes

E: 120 minutes


Standard verions

The fire-resistant roof hatch is available in 7 standard sizes and special sizes up to 1000 x 2000 mm.


Fully thermally broken

The fully thermally isolated curb and cover have a high insulation value and so minimise the chance of unwanted condensation forming while also saving energy costs.


Gorter fire-resistant roof hatch:

  • In standard and special sizes
  • Fire class according to EN1634, EN13501-2, AS1530-4 and BS476:part22
  • Thermally separated and insulated steel construction
  • Safe to operate with one hand
  • 10-year warranty on the roof hatch
  • Cylinder lock, inside operation. With 3 point lock from hinge side > 1400 mm.
  • Dimensions > 1,400 mm with 3-point locking mechanism
  • Burglar- and sound-proof
  • Powder-coated in RAL7011 (outside) and RAL9010 (inside)

Read more about all the advantages of Gorter roof hatches

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Gorter roof hatch advantages
  • advantages ceETA and maximum performance
  • advantages ceThermally insulated construction
  • advantages ceComplete with ladder or stairs
See all advantages roof hatch