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UPVC/aluminium composite window
KV 440

The flush-mounted UPVC/aluminium composite window offers four-fold protection in one window: optimum heat protection with SOLAR+ triple glazing and high thermal insulation frame profile, the best sound protection, as well as built-in sun and privacy protection. In weather-resistant aluminium on the outside, and low-maintenance UPVC on the inside.

Thermal insulation: Uw to 0,64 W/m²K
Sound protection: 39–45 dB
Security: RC1, RC 2
Locking: concealed



Product information


  • Integrated and therefore protected sun and privacy protection between the panes — with I-tec Shading on request
  • Glass sash — no difference in the outside view between fixed and opening parts
  • Exterior flush-mounted look
  • High thermal insulation thermal foam (HCFC-, HFC- and FC-free)
  • With shortened aluminium facing formwork on request for a structural connection that is thermotechnically optimised

Dimensions in mm

  • Frame construction depth: 93 mm
  • View width, frame/sash: 118 mm
  • View width, flying mullion (with two sashes): 144 mm
  • View width, transom (with two sashes): 198 mm

I-tec Ventilation
  • I-tec Ventilation optional
  • IV 40 with 93% heat recovery

Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Doors with threshold


  • Quantity: 3
  • Colour: black
Further design styles

KV 440

KV 440

KV 440



We offer you an ambitious selection of handles — one recommendation is shown here. For information about further designs, please contact your Internorm architectural consultant.

G80 standard handle
Flat rosette

G80 standard handle

G80 standard handle

Dallas handle

Sun and insect protection

The sun and insect protection systems complement the windows, making them one functional unit, and support the design of the house façade.

Composite windows: Integrated and therefore protected sun and privacy protection
between the panes — optional blind, Venetian blind or Duette®

Insect protection: available as sliding frame or drop-down fly screen

Composite windows

Large-scale elements

A door or fixed glazing model is available — up to 8.2 m2 glass area.
Fixed glazing






The UPVC/aluminium windows of the studio design line are available with a white inside look. A selection of the colours available for the outer aluminium shell is shown here. Please discuss your individual colour requirements with your Internorm architectural consultant.

Outside colour






Product data sheet for download


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Product combinations