• 5 - Chambers
  • 2 - Gaskets
  • U = 1,38



Corona CT 70
High-performance window and door system for a demanding customer. Very good thermal insulation, rebate gasket, 5-cell construction and relatively low profile in three distinctive sash designs.

CT70 at a glance

  • 70mm 5-cell basic profile
  • modern, flat sash shape, softform contours with sloping exposed faces
  • narrow face width of 120 mm for the standard profile combination
  • elegant, streamlined profile shape
  • a variety of attractively designed glazing beads for a range of renovation options to maintain the original style
  • optimised thermal insulation and stability
  • modern, elegant silver-grey EPDM gaskets on white profiles, black EPDM gaskets on foiled profiles
  • Uw values up to 1.3 W/(m?K) possible with standard glazing Ug=1.1 W/(m?K) – depending on profile combination and glazing
  • sound insulation up to 5 db – depending on chosen profile and glazing
  • CT70 can be glazed with glazing up to 36mm thick, such as super low energy triple glazing
  • easy opening and closing due to special fault-tolerant construction
  • large choice of additional profiles allow to design complex constructions

Corona CT 70 Classic – colour range

  • integration with the Corona colour range means that you can select from a repertoire of over 20 woodgrains and single colours, laminated on one side or on both sides for maximum design flexibility