Duo Werk GmbH in Wilderswil – Your Partner for Timber Construction, Sanitary Systems, Heating, Roofing and Renovations Duo Werk GmbH in Wilderswil stands for high-quality craftsmanship, precise execution and comprehensive construction expertise from a single source. As a reliable service provider in the Bernese Oberland, we offer a wide range of services including timber construction, sanitary installations, heating systems, roofing, renovations, refurbishments, interior finishing and the installation of modern roof windows. Timber Construction – natural, durable, individual Whether new construction, renovation or a stylish extension: our timber construction specialists design and build structures that combine functionality and aesthetics. From carports to complex timber houses – we implement your ideas using stable and sustainable timber construction methods. Sanitary Installations – modern & reliable We install and renovate sanitary systems that offer maximum comfort. From bathroom renovations to complete installations in new buildings, Duo Werk GmbH ensures long-lasting solutions and professional execution. Heating Systems – efficient thermal technology for your home With modern heating systems such as heat pumps, wood heating systems or traditional solutions, we create a pleasant indoor climate. We offer personalised advice on energy efficiency and cost optimisation. Roofing – protection and quality Our roofing experts ensure that your roof withstands all weather conditions. Whether pitched roof, flat roof or complete roof renovation – we work precisely, safely and sustainably. Renovations & Refurbishments – preserving the value of your property From small-scale renovations to complete refurbishments: we modernise buildings professionally, energy-efficiently and with great attention to detail. This increases the value and lifespan of your property. Interior Finishing – creating spaces to feel at home With tailored interior finishing, we create living spaces that match your vision. Whether walls, floors, ceilings or custom-made elements – we implement creative solutions with skill and precision. Roof Windows – light, air and comfort Modern roof windows bring natural light into your attic, improve the indoor climate and enhance overall living comfort. We provide expert advice and take care of the planning and energy-efficient installation. Duo Werk GmbH – Quality, reliability and craftsmanship from the Bernese Oberland As a locally rooted company in Wilderswil, we place great importance on personalised consultation, clean workmanship and durable results. Whether new construction, renovation or repair – we are your reliable partner. Contact us for a non-binding consultation!

For over 70 years, we have dedicated ourselves to cleanliness, offering top-notch services in pipe cleaning and crane operations. Our family business has been around since 1951. In three generations, we have accumulated a wealth of valuable experience. The expertise we have gained makes us the regional market leader in our industry and motivates us to tackle our diverse tasks with joy and pride. Whether it’s private buildings, public roads, your home, or your community, we have the right, highly trained professionals to keep pipes and lines clean or to thoroughly inspect them with pipe cameras. Additionally, we offer comprehensive crane operations. When heavy loads need to be lifted or precise positioning is required, you can rely on our expertise with cranes and lifting platforms. Our trained and experienced crane operators ensure that your loads can be safely and accurately transported and lifted. As a family business, we rely on values such as trust, professionalism, and sustainability. This is reflected in our dealings with our employees and customers, and it is also evident in our use of the latest equipment to protect the environment as much as possible. Our services: • Pipe cleaning • Sewer cleaning • Sewer maintenance • Drain unclogging • Sewer inspection • Leak testing • Street and surface cleaning • Special transports and operational relocations • Crane operations • Lifting platforms • Rental