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.

Salü lieber Sam, ich möchte mich auch auf diesem Weg nochmals herzlich für die flotte Zusammenarbeit bedanken, wir sind rundum zufrieden, gerne werde ich dich stets und aus voller Überzeugung weiterempfehlen! Gruss Ronny

Schmucki AG in Jona has been delivering premium metal construction and custom metalwork solutions since 1900. As a family-owned business in its fourth generation, the company combines craftsmanship, modern manufacturing and personalised service. Services include staircases, railings, handrails, balcony and wind protection glazing, canopies, doors, shopfront systems and tailor-made metal solutions for residential and commercial projects.

riparazione scambiatore termico caldaia... (vedremo durata...)