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insulbar celebrates its 40th! With the development of thermal insulating bars in 1977, Ensinger laid the foundation for the efficient insulation of windows, doors and faςades made of metal. In the subsequent decades, the plastic specialist continued to shape thermal separation with many innovations and patents.
How did the oil crisis from 1973 accelerate the development? Why did the suppliers of metal window systems put trust in the at that time still young company? Find out more on in the interview with Wilfried Ensinger.