When experts in fittings, profiles, ventilation, aluminum, seals, and systems join forces, something special happens: an alliance of companies that see every day where windows and doors reach their limits—and how to overcome them.
Gretsch-Unitas, Gutmann, Regel-air, Köster Aluminium, Alumar, Kontex, and GfA are combining their core competencies and demonstrating at FENSTERBAU FRONTALE why top performance can only be achieved through collaboration.