Unique thermal insulation for aluminum windows complying with the passive house certification standard. Innovative insulation system thanks to 54 mm polyamides offering Uf value = 0.76 W/m²K with an external width of 102 mm. Increased sound reduction Multi-chamber central seal providing optimum sealing preventing energy loss. Superior security thanks to multiple perimetric locking. Wide profile selection in straight and curved sections. For all wing and patio door typologies.