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.

Your metal construction specialist in Eastern Switzerland. We design, fabricate and install conservatories, patio and louver roofs, balcony extensions, carports, stairs, railings, doors (incl. fire-rated), windbreaks and balcony/facade glazing. Custom steel, stainless steel, aluminium and glass solutions with CAD design, structural calculations, building permits and after-sales service. From onsite consulting to handover—precise, on schedule and local. Visit us: Signalweg 1, 8590 Romanshorn.

Guten Beratung und tolle Ausführung

Konfigurator GmbH is the company behind the VENTARIS brand, which stands for high-quality outdoor solutions in Switzerland. Under the Ventaris.ch brand, the company offers a wide range of pergolas, pavilions, and fire bowls that combine design, functionality, and durability. As a specialist in custom pergola installations, Ventaris supports its customers from personal consultation and planning to professional installation. With a showroom in eastern Switzerland and distribution partners with exhibitions in western and northeastern Switzerland, Ventaris has a strong regional presence and enables customers to experience its products firsthand on site. The goal of Konfigurator GmbH with its Ventaris brand is to create aesthetic and comfortable outdoor areas that sustainably enhance the quality of life and well-being outdoors.

Zuverlässig . kompetent . freundlich . pünktlich . saubere Arbeitsweise . Danke.