Inside Profile Outside Profile
Gaskets system
Chamber structure

Green Evolution


GreenEvolution flex / flex A
Our standard design with maximum technical properties, decades of functionality, and high energy efficiency. Our standard design convinces with 5- or 6-chambers in sash and frame. Thanks to a timeless look and a surface in Greta®Fenster or real material, there are no limits to the design – outside and inside to match the building. Also available as flex A with Class A wall thicknesses.

– 5- or 6-chamber profile
– Window stopper and central gasket
– Construction depth: 76 mm
– Up to Uw = 0.73 W/(m²K)
– Glazing up to 48 mm
– Sound insulation: Sound reduction up to 47 dB
– Burglar resistance up to RC 3
– Compatible with evoCore