The Passive Window exemplifies cutting-edge, energy-efficient construction. 

Tailored for ambitious architectural projects, it provides exceptional thermal insulation and versatile glazing options, catering to eco-conscious, large-scale developments.


  • Best-in-class thermal insulation in the industry
  • Supports up to quadruple-glazing with 4-pane glass configurations
  • Suitable for passive buildings and net-zero energy applications
  • Advanced acoustic insulation
  • PHIUS certified

Technical Parameters

  • Water Tightness: 15 psf
  • Designed Pressure: CW 75 psf
  • Thermal Insulation: From 0.08 Btu/hft2F
  • Acoustic Insulation: STC up to 48 dB
  • Maximum Panel Weight: 660 lbs (300 kg)
  • Maximum Panel Height: 10 ft (3m)
  • Maximum Panel Width: 5 ft (1,5m)
  • Glazing: Double and triple