These are windows with high thermal insulation used in buildings which do not require heating with the highest degree of energy savings.
It is a product for the most demanding customer with very high aesthetics of execution (the window profile thickness is as much as 92 mm), while providing the great savings by reducing heating costs.
The heat transfer coefficient for individual profiles is:
DJ 92 U=0,8
Family run business on the market for over 112 years
Profil 1