• Excellent heat insulation properties thanks to special profile geometry and insulating cores – and all this with the modern TOPLINE design.
• U_W values below 0.8 W/m²K, external noise insulation and reduced heating costs and CO₂ emissions thanks to the triple insulating glazing and deep edge cover.
• Certified by the Passivhausinstitut Darmstadt (Dr. Feist) as a window system suitable for passive houses.
• Meets all requirements of DIN and Euro standards and of the Energieeinsparverordnung (EnEV) [The German Energy Savings Regulation].

Tried and tested steel reinforcement for maximum stability (depending on window size), durability and installation of burglarproof fittings.