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.

Hirsch Gebäudehülle GmbH has been your trusted specialist since 2007 for pitched and flat roofs, sheet metal works, liquid waterproofing, window sills, roof maintenance and photovoltaic systems . We deliver durable, high-quality solutions for new builds, renovations and ongoing maintenance – all from one source. Our projects are completed with precision, transparent planning and on-time execution across Thurgau, St. Gallen, Zurich and throughout Switzerland. Sustainable materials and smart energy solutions ensure long-lasting protection and efficiency.