Thoenen has been very helpful in the renovation process of my chalet.

Waren mit Wasserleitungsarbeiten (inkl Grabung) zufrieden. Preis wie zuvor offeriert, Arbeit gute Qualtät, innert nützlicher Frist, kompetent und vollumfänglich erledigt.

Freyssinet SA Your partner in the construction and repair of all types of structures (civil engineering, building) The construction of bridges and engineering structures, buildings, road and rail infrastructures by providing you with the design and realization of prestressing, cable structures, equipment for engineering structures (bearings, roadway joints and expension joints, seismic protection, anchoring systems...) The repair of bridges, engineering structures and rental or industrial buildings by helping to choose the best solution and its implementation such as: the reinforcement by additional prestressing, carbon fiber composite and shotcrete or UHPC. Protection against corrosion, earthquakes, fire and chemical aggression. And of course the inspection and maintenance of equipment such as supports, joints, prestressing and cable systems.