Window systems from the brand names KBE, KÖMMERLING and TROCAL are the result of decade-long research and development: we produce brand and country-specific profile systems made out of PVC-U, with several thousand individual profiles.

Choose from a broad range of colours and decorative laminate, use the advantages of our special systems, for example in combination with aluminum. We also set standards in the area of window ventilation systems.  

Optimal protection for your property: with our sophisticated systems technology, we fulfill the highest quality and safety standards for residential doors.

Further information about the products from our brands KBE, KÖMMERLING and TROCAL can be found on the following internet sites: