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Tasks and Goals

„Wir stellen uns vor“

The RAL Quality Mark is awarded to a number of different products and services. All products and services that carry this quality label are produced in accordance with precisely defined quality requirements and offer a consistently high quality standard. For more information about the RAL Quality Mark click here.


Together, the members of the Gütegemeinschaft Flachglas e. V. are a strong community. As the recognized platform for all questions regarding product quality and usability we set quality standards. We take care of all quality issues involving insulating glass and its components and, furthermore, lay the foundationos for ensuring that TSG in buildings can continue to be used without restrictions. Our Quality Committees are elected by the General Meeting and represent the neutral external monitoring by the institutes. Together with the competently staffed head office they monitor the requirements for carrying the Quality Mark. Additionally, we work with other RAL Quality Associations involved with windows - for an integrated quality chain!