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Kameleon natural casement ventilator

Kameleon 5 glazed natural casement ventilator, suitable both for day-to-day and smoke ventilation through the façade. Both flap and base frames have thermal breaks. It is particularly suited for installation into glazing systems. Kameleon conforms to EN 12101-2 and EN 14351-1 and is CE marked and is manufactured under the ISO 9001 quality standard. This product is for vertical installation only.


  • Hinges at the bottom, opens from the top
  • Hinges at the top, opens from the bottom

Dimensions/size range

  • From 458mm to 2558mm in width in 1mm increments.
  • From 458mm to 2558mm in height in 1mm increments. 


Profile depth 76mm.

  • Large flap frame, 99mm wide (as seen from the outside)
  • Small flap frame, 70mm wide (as seen from the outside)

Flap options

  • Large flap profile and infill panel between 8 and 58 mm thick, single, double or triple glazed
  • Small flap profile with infill panel between 20 and 28 mm thick, single, double  or triple glazed
  • Polycarbonate
  • Infill panel 


All components of the base and flap are manufactured from EN AW-6063 T6 aluminium alloy. The frames of both the base and flap are thermally broken. 

Colours/ finishes options

  • Mill finish, standard
  • Polycarbonate
  • Polyester powder paint to a RAL colour, standard 75 mu
  • Anodised, standard 20 mu

Fixing options

  • Fixing to curtain walling using 26 to 36mm thermally broken glazing frame adaptor
  • Fixing to structural opening using either through frame or with fixing lugs

Controls options

  • Pneumatic (for smoke and day to day ventilation)
  • 24V DC electric (for smoke and day to day ventilation)
  • Visible or hidden

All controls are installed behind the slim profiles.

If used as a smoke ventilator, activation is either by local thermal fuse which opens the unit at a pre-selected temperature, or by responding to an external release signal.

Please contact us for more information relating to the application, specification, installation and servicing of this product.

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