studio

KF 520

UPVC-​aluminium windows

To overview
  • Thermal insulation in W/(m²K)
    Uw up to 0,63
  • Sound reduction in dB
    up to 33 - 46
  • Security
    up to RC 3
  • Locking
    fully integrated

The new KF 520 combines innovative design with technical know-how. The window sash is not visible from outside due to its glass appearance and can optically not be distinguished from fixed glazing. This sash also contains the revolutionary locking I-tec Secure which renders levering of the window impossible - unrivalled in the branch. Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection. 

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Photo gallery

Ideas and possibilities for your project

Technical characteristics

Dimension (in mm)
  • Frame construction depth
    93
  • View width frame/sash
    85
  • View width flying mullion (2 sashes)
    96
  • View width transom/mullion (2 sashes)
    148
Opening versions
  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors
Gaskets
  • Quantity
    3
  • Colour
    black
UPVC version
UPVC version
Locking I-tec Secure
Locking I-tec Secure
Narrow frame inside
Narrow frame inside

Video

Features

Griffe Fenster, Fenstergriff, gerade, kantig, Sicherheitsgriff

Handles

Discreet, square-edged handles fit perfectly to the straight-lined design of Internorm studio windows. Despite square edges, handles can be gripped well. Lockable handles or Secustik handles ensure more security.

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Glas Fenster, Fensterglas, Gläser bei Fenstern

Glazing

Next to insulating and toughened glass from our own production, we can also offer a range of special glazing.

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Farbe, Farbe Fenster, Fensterfarben, Farbe Tür, Farbe Haustür, Haustürfarben

Colours

Choose from our wide range of colours and design your window according to your requirements. Along with our standard colours, we can offer you a large selection of other colours such as weather-resistant hirest  and many more. 

An overview of window colours (PDF)