Illustration shows glass strip Rondo

Further profile combinations are possible.

The innovative plastic system for economical low-energy construction.

The Corona SI 82 window systems have three sealing levels and conventional steel reinforcement. Corona SI 82 window systems or window doors are suitable for a wide range of applications in the area of new construction as well as in renovation.


  • Construction depth: 82 mm / middle gasket
  • Number of chambers: 6 chambers
  • Thermal insulation: Uf = 1.1 W / (m²K)
  • Sound insulation: to noise protection class 4 (VDI 2719)
  • Air / impact resistance: up to class 4 (DIN EN 12207) / 9A and higher (DIN EN 12208)



  • Smooth, cleaning-friendly surfaces
  • Narrow viewing width of 120 mm with the standard profile combination
  • Two design variants for the highest demands of harmonious design
  • Increased construction depth for more safety and protection against burglar
  • Three sealing levels for optimum protection against wind, rain and sound
  • Silver grey seals with white profiles for subtle optics
  • Uw values of 0.79 W / (m²K) can be achieved depending on the profile combination and glazing