Our quality standards

Every chain is only as strong as its weakest link

Each part is coordinated to achieve the best possible result in the finished product.
In the modern computer-controlled production facility, conscientious employees produce each window individually and with high precision. This means that the windows are still leak-proof even after years of service.

The quality of our products is characterized by the interaction of all components
For this reason, we attach great importance to the quality, usability and combinability of the products used when selecting them.

The materials are subjected to extensive tests and inspections before they are used in production. Even the simplest components, such as screws, fulfill essential tasks in the finished product and contribute to the durability of our products, just like all other materials.

Made in Germany

Our philosophy is to select the manufacturers of our raw materials carefully and to work with them on a long-term basis in order to maintain a consistently high level of quality and to be able to supply spare parts for our products for many years, as spare parts are generally only needed after many years.

Tests carried out in-house and by external test centers confirm the correctness of our philosophy, as do our customers, who have been satisfied with our products for decades and are happy to use them again for new construction projects.