Choose style and energy efficiency!

Green Evolution flex is a 5– and 6–chamber profile with high energy efficiency.
The window frames and sashes are made of very high-quality uPVC.
Key features of greenEvolution flex

German System Windows

• Uw = 0,73 W/(m²K)
• 5- or 6-chamber system
• construction depth 76 mm
• glazing up to 48 mm
• possibility to choose a frame variant
with an MD center gasket
• sound insulation of up to 47 dB
• reinforced galvanized steel