We add value to windows and doors. The SIEGENIA GROUP offers a wide range of products which add value to windows and doors. With its TITAN, ALU and PORTAL product groups, together with the AERO and DRIVE ones, the company is one of the world’s leading suppliers of hardware, ventilation and building technology. In addition to that, KFV provides a complete range of modern locking systems for doors. This comprehensive group of products is completed with the SIEGENIA-AUBI Sicherheits-Service GmbH, which offers products and services for intruder protection and window repairs. Taken together, this results in a high-performance product portfolio for fabricators, designers and architects – from hardware technology for windows and French windows to building technology solutions for building automation and intruder protection to wall and window ventilation, multi-point locks, as well as emergency doors and automatic locks.