For more than 125 years, Demenga Glas AG has stood for quality, craftsmanship, and a true passion for glass. As a long-established glazing company based in Basel, we combine traditional expertise with modern innovation – supporting you from the first idea to the final installation . Our experienced team handles all types of glasswork for interior and exterior projects , whether in new construction, renovations, or custom interior design. No pane is too large, no site too challenging – even complex installations in hard-to-reach areas are carried out safely and efficiently. What sets us apart is not only our technical skill, but our deep enthusiasm for working with glass. From architectural glazing to tailor-made shower enclosures, glass partitions, and design elements, we create durable, elegant, and functional solutions that meet your specific needs. What we offer: • Over 125 years of experience in glass construction • Personal consultation & customized solutions • End-to-end service: planning, production & installation • 24-hour express repair service • High-quality glass products for both private and commercial clients Whether you're dreaming of a custom kitchen backsplash, a frameless glass shower, a glass divider wall, or something entirely unique – we’re here to bring your vision to life . Get in touch – we’re happy to advise you!

Conservatories like tailored suits – custom-made to match your home and style. Visit our showroom to explore sliding and folding glass walls. For optimal sun protection, we offer Knecht awnings. We manufacture windows, doors, and glass facades from aluminium and steel. Special roller shutters like TRENDO effectively shade sloped glass surfaces and blend in elegantly. Motorized controls with frost protection ensure safe operation in winter. In steel construction, we build load-bearing structures for office and warehouse buildings. We also offer classic metalwork services: railings, staircases, window grilles – all custom-made.