New in our offer are windows with an internal rustic surface. Thanks to a special way of wood processing, we give them the appearance of old windows while maintaining full tightness and functionality of new windows.
The outer surface is painted in a traditional way, providing full protection of the window from atmospheric agents.
The heat transfer coefficient for individual profiles is:
DJ 68 U=1,4
DJ 80 U=0,91
DJ 92 U=0,8