LAMILUX Passive house flat roof window: The advantages

Certified Energy Efficiency

  • First skylight certified to Passive House Standard
  • Top Passive House efficiency class – phA advanced component
  • Heat transfer coefficient (USL): 0.84 W/(m²K)
  • Overall system with flawless isothermal characteristics and free of thermal bridges
  • Thermal performance values calculated based on DIN EN ISO 10077-1 and 10071-2
  • LCA made easy: For our LAMILUX CI System Glass Element FE energysave there is an comprehensive product declaration according to ISO 14025 and EN 15804 (EPD - modules A1 - D)


  • Pleasant indoor climate thanks to natural ventilation and solar protection roller blinds
  • Movable solar protection on inside or outside (not for round designs)
  • Effective glazing sound insulation (EN ISO 140-3 up to 45 dB)
  • Convenient remote operation for ventilation and solar protection systems
  • Daylight element and up stand are fully pre-assembled in the factory and interlocked. They can thus be retrofitted with an opener system at any time


  • Discreet appearance from inside and outside
  • Wide variety of colours based on RAL system (surrounding profile)
  • Also available in a round design


  • Permanent fall-through protection (GS-BAU-18)
  • Minimised risk of condensation on glazing interior and the frame and glazing bar sections