Doleta ALU Passive 78


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Doleta ALU Passive 78

Heat transfer coefficient



  • Profiles in thickness of 78 mm
  • Units in thickness of 52 mm
  • Four lines of sealing gaskets
  • Various forms of internal decoration are possible
  • German PHI certificate since 2007.
  • Uw up to 0.8 W/m²K

The increase of energy prices and the growing concern about the energy efficiency has also caused the growing need for extremely warm windows. The best solution is „Doleta Alu Passive“, warm and ecological passive house wooden windows of extremely high quality, that were certified by PHI Institute in Germany in 2007. These aluminium cladded wooden windows are a perfect choice for those focusing on cost efficiency, quality and exceptional thermal resistance characteristics. These windows are designed not only for passive houses but also for standard houses and apartments of modern construction, as well as the buildings under renovation and reconstruction. „Doleta Alu Passive“ system might function as the basis for production of rectangular windows or even balcony doors.

„Doleta Alu Passive“ windows for passive houses are in thickness of 78 mm, from the outside cladded in aluminium profile that is filled with ecological cellulose. The system allows for installation of glass package of 52 mm with warm frame. It is recommended to choose pinewood for the production of „Doleta Alu Passive” windows because it demonstrates better thermal characteristics as compared to the other wood types.

Sturdy construction, perfect thermal characteristics, lightness and naturality, longevity and resistance are among the most important and irreplaceable qualities that only aluminium cladded wooden windows can offer.   

Other Wooden windows cladded with aluminium

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