• Wood assembly construction • Wood element construction • Joinery work • Interior construction and stair construction We provide our high level of expertise to architects, public authorities, private clients, industry and commerce, as well as general contractors. From our central location in Kreuzlingen, we supply and operate throughout the entire Eastern Switzerland region. We are a member of the Holzbau Schweiz association and the VSSM. As an exemplary employer with an employee-oriented corporate culture, we have also been awarded the Holzbau Plus quality label.

Frefel Bau in Weingarten, Thurgau is your local expert for flat roof renovation, roof repair, facade construction, and sheet metal work . We provide roof maintenance, waterproofing, and eco-friendly green roofs for residential and commercial clients in Weingarten, Kreuzlingen, Romanshorn, and surrounding areas . Rely on our local expertise and sustainable solutions for durable roofs and facades.