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.

stetra GmbH and SteelFire specialize in high-quality metal construction, balconies, railings, stairs, doors, and custom steel structures in Switzerland. We provide tailor-made solutions for residential and commercial projects, including balcony glazing, glass railings, and canopies. SteelFire enhances outdoor spaces with stylish fire bowls, premium barbecue accessories, and exclusive garden furniture. Our products stand out for their precision craftsmanship, durability, and elegant design. Trust Swiss expertise for metal construction and sophisticated outdoor living solutions.