Rosenheimer Glastechnik GmbH, trading as GLASTEC, develops and fabricates multifunctional glass units for windows, facades, roofs and internal partitioning at Rohrdorf in Upper Bavaria, with fire-resistant glazing in classes EI30 and EI60 among its core lines. Its fire-rated glazing is supplied under DIBt allgemeine bauaufsichtliche Zulassung with EN 13501-2 classification and carries the Ü-Zeichen conformity mark. The company also produces X-ray and laser protective glass, acoustic glazing and its Planline drywall glazing system.