Our Internorm KS 430 Lift and Slide Doors give you a choice of materials and colours. Externally, choose between white UPVC or weather-resistant uPVC/aluminium which offers a variety of colour options. Internally, the uPVC surface can be foil wrapped in many different design and colour choices.

The Internorm KS 430 Lift and Slide offers superb thermal insulation of up to 0.64 W/m²K, making it suitable for any project including passive house.

  • Large glazing areas allow more light through
  • Available in sizes up to 5900 x 2800 mm
  • Narrow sliding frame and frameless side elements
  • Energy efficient meaning you save on your heating costs
  • Toughened glass panes inside and out as standard
  • Modern, square-edged appearance inside and outside
  • Easy lifting and sliding despite sash weights of up to 400 kg
  • Low threshold suitable for barrier-free living
  • Guiding rail concealed in frame with integrated stopper buffer for perfect appearance, smooth operation and optimum burglary protection
  • Glazing of fixed element directly in frame
  • Unlimited colour choice due to aluminium surface
  • Can be perfectly combined with all other Internorm window systems
  • Three attractive handle designs

Internorm, like Thames Valley Windows, is a family business and is now the largest internationally active window brand. They have manufactured over 21 million window and door units, all of which are made in their very own, ultra-modern manufacturing plants to your precise specifications. They have developed a series of revolutionary technologies to meet the continuing demands on design, technology, quality and comfort.

Thames Valley Windows is proud to say that we are the Internorm Distribution Partner for the South East, guaranteeing perfect product quality and the highest levels of service, before, during and after installation.


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