Holzbau Mäder & Partner GmbH is an active carpentry and timber construction company based in Wünnewil. The company specializes in carpentry, roofing, and general timber construction services.

STRED Waterproofing specializes in waterproofing and insulating roofs, cladding, green roofs and photovoltaics. These solutions can be adapted to all types of structures (industrial, offices, collective buildings, warehouses, etc.). The employees of La STRED Etanchéité will be able to meet your expectations: from the design to the implementation and maintenance of your project. With more than 25 years of experience in the field of waterproofing, for your roofs, STRED Etanchéité specializes in all the techniques available to implement your roofing projects: Steel/wood waterproofing, Liquid waterproofing, Concrete waterproofing, Green roofing, Roof securing, Natural lighting, Smoke extraction, Photovoltaic roofing, Dry roofing, Natural ventilation, Waterproofing repair, Technical diagnostics and audits.

Rasch, freundlich und gut. Kompetente Beratung, fachmännisch einwandfreie Ausführung, nettes Team und speditive und saubere Arbeitsweise. Keine Überraschungen bei der Rechnungsstellung. Das Abschlussgespräch mit Daniel Wenker haben wir sehr geschätzt. Danke und immer wieder gerne. Ueli und Margot