Purista exterior NB - OPTIWIN Windows - Dürfeld Constructors


  • Wood windows with aluminum clad
  • Invisible sash on operable windows
  • PH certified: Uw = 0.65 W/m²K (0.11 Btu/ft²sF)
  • Suitable for windows and patio doors
  • Custom exterior colours and interior finishes available
  • Fully concealed hardware on operable windows
  • Custom glazing coatings available
  • 3 layers of continuous gaskets = maximum airtightness
  • Fully deconstructible: All componenets are recycleable

The modernized frameless window. Viewed from the exterior, the Purista design offers a glass-only appearance by visually eliminating the sash. Fixed and opening window systems are now identical in appearance, both from the glass-only exterior and the flush and balanced interior. The Windows thermal and weather performance continues to be industry leading.