Made for historical buildings

GVO is made for historical buildings. It is ideal for older buildings where small windows with a rounded arch are appropriate. 

Features
  • Window frame and flashing are made of weather-resistant polyurethane.
  • Top-hung with a peg stay to prop open the window.
  • Can be opened and secured in three positions for varied ventilation: 5°, 15° and 30°.
  • Integrated universal flashings for flat and profiled roofs up to 6cm high (not for use with standing seam metal roofs).
  • Standard fitting with a black lattice roller blind.
  • Insulated glazing for energy efficiency.
  • Can be installed in roofs with a pitch of 20° to 60°. 

Opens in three positions

Open the rooflight with the peg stay that can be secured in three ventilation positions – and get fresh air and a good indoor climate.

Integrated flashing

The integrated flashing makes installation easy. 

Maintenance-free

Both window frame and flashing are made of coloured, weather-resistant and maintenance-free polyurethane.

Professional information

​Are you an installer or a dealer – follow the tab Professionals at the bottom of the page to find more information about the product such as CE marking, installation instructions, spare part overviews, test reports and specifications.

See here