Lumi Seamless windows are a new range of modern frameless windows from Apeer. The minimalist styling of these seamless windows maximise the amount of light that can enter your home.

Technical Details


  • State of the art 50mm insulated triple glazing.
  • Foam insulated frame for extra energy efficiency.
  • Triple gasket seal for excellent thermal performance and noise reduction.
  • Edgetech warm edge Super Spacer with built in energy saving.
  • Ceramic colour border. Fused in toughening furnace at 700°C.
  • 6mm Kitemarked low iron extra clear toughened glass.
  • Winkhaus high security lock with completely concealed hinges.
  • Multiple internal and external colours available.





Colour choice

3 external colours. 7 internal choices.
Lumi lets you mix and match the external
and internal colours.