"Listed buildings, historic buildings, cultural assets worthy of special protection; there are countless buildings in which the windows are defining and design elements. Blumer Techno Fenster stands for the combination of the highest quality and exceptional customer service.

We think big and outside the box so that we can create lasting value for our customers and our employees.

For listed windows, we recommend expert advice from our specialists, especially when it comes to increased security, increased thermal insulation or noise protection."