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UPVC-aluminium windows
KF 310

This sleek new window features the proven and reliable technology of all our Internorm windows. It is characterized by the best thermal insulation and sound reduction values, as well as all round bonding of the glass pane with the window sash. KF 310 is available in a large selection of colours, handles and glazing, as well as a balcony and patio door and now also as a French balcony.

Thermal insulation: Uw as low as 0,69 W/m²K
Sound protection: up to 45 dB
Security: RC1N, RC2
Locking: concealed

Product information



    • ECLAZ® triple glazing as standard for optimum energy efficiency
    • 74 mm construction depth
    • Narrow view width up to 107 mm



Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding windows
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors


  • Quantity: 3
  • Colour: light gray/black

Further design styles



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