Know-how from 45 years of professional experience

Werner Lang puts his heart and soul into his work with a sense of proportion and the experience of 45 years in the business. And that's exactly how he runs his business. His employees are hand-picked, because one thing is particularly important to the window construction specialist: anyone who works with him shares his very special passion for windows and glazing.

Window service from a single source

Creating and maintaining value. With five decades of expertise. That is the motto of Werner Lang. Werner Lang and his employees offer all services relating to windows, doors and large-scale glazing from a single source. This includes:

• Consulting
• Installation
• Maintenance
• 24-hour repair service
• Replace defective windows
• Replace and supplement defective fittings
• Replace existing window fittings with burglar-resistant ones
• Clad existing wooden windows on the outside with aluminum profiles
• Wind protection
• Insect protection
• Blinds / shutters
• Light well covers
• Cat locks