Seiler AG – Your Expert for Steel & Metal Construction Welcome to Seiler AG , your reliable partner for steel construction, metal construction, locksmithing, sheet metal processing, sandblasting, assembly , and rock technology . With decades of experience and the highest precision, we implement your projects professionally and on schedule. Steel Construction – Robust and Customized Our experts in steel construction realize all kinds of structures – from frameworks and hall construction to custom-made special designs. We stand for the highest quality and durable solutions tailored precisely to your requirements. Metal Construction – Custom Metal Solutions In metal construction , we offer customized solutions for railings, stairs, balconies, and more. Thanks to state-of-the-art manufacturing techniques, we create high-quality structures with long-lasting stability and appealing design. Locksmithing – Precision and Craftsmanship Our locksmithing department manufactures and repairs metal structures with the utmost accuracy. Whether custom-made gates, doors, or complex metalwork – we bring your ideas to life with expert craftsmanship. Sheet Metal Processing – Flexible and Efficient With our sheet metal processing , we provide precise solutions for various industries. Cutting, bending, punching, or welding – we shape metal to your specifications and guarantee the highest quality. Sandblasting – Perfect Surface Treatment Our sandblasting process ensures optimal cleaning and preparation of metal surfaces. We reliably remove rust, paint, and contaminants to create the perfect base for coatings. Assembly – Professional and Reliable We carry out the assembly of your metal and steel structures with the highest precision. Our experienced fitters ensure professional installation that meets the highest safety standards. Rock Technology – Special Solutions for Challenging Terrain With our expertise in rock technology , we execute demanding construction projects in difficult terrain. Whether rock anchors, safety systems, or special installations – we offer solutions for challenging conditions. Seiler AG – Your Strong Partner in Metal & Steel Construction Trust in the expertise of Seiler AG . We stand for quality, precision, and customer satisfaction. Contact us for an individual consultation – we look forward to your project!

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.

Since 1922, JOUX S.A. has specialized in metal construction, combining traditional craftsmanship with technical innovation. The company offers tailor-made solutions adapted to the specific needs of its clients, with an emphasis on quality, durability, and precision. Our services include: • Metal constructions and metal joinery • Locksmithing • Technical office • Glazing • Fire doors • Steel structures • Sheet metal work • Guardrails • Custom stairs • Custom doors • Custom windows • Waterjet cutting Commitment to Quality, Environment, and Safety JOUX S.A. is fully committed to ensuring customer satisfaction and the quality of its services. We are ISO 9001:2015 certified, which attests to the implementation of a rigorous quality management system aimed at continuously improving our processes and consistently meeting our clients' requirements. In addition, we have obtained ISO 14001:2015 certification, which demonstrates our commitment to reducing our environmental impact by optimizing our practices and promoting sustainable resource management. The safety and well-being of our employees are also key priorities. We have achieved ISO 45001 certification, ensuring that our company complies with international standards for health and safety at work. Training Company As a key player in our industry, JOUX S.A. is also involved in professional training. We are a training company, offering learning and development opportunities to the next generation of professionals in order to pass on our expertise and ensure the longevity of our know-how.