Zumbrunn Bau AG Grindelwald – Your Reliable Partner for Building Construction and Civil Engineering in the Bernese Oberland Zumbrunn Bau AG in Grindelwald has stood for quality, reliability, and professional expertise in the construction industry for many years. As an experienced construction company, we offer a comprehensive range of services for private clients, companies, planners, and public authorities. Our activities cover all work in both building construction and civil engineering – from planning to professional execution. Building Construction – New Builds Tailored to Your Needs Our main area of activity is building construction. We realize new buildings of all kinds – whether for private clients, investors, or public authorities. As a reliable and market-oriented construction partner, we build: • Residential buildings and apartment blocks • Single-family houses • Buildings for the tourism sector such as hotels, chalets, or holiday apartments • Commercial and office buildings Thanks to our modern machinery, our well-equipped yard in Grindelwald, and our motivated, highly trained staff, we are able to successfully implement even demanding construction projects efficiently and on schedule. We place great importance on clean, precise, and professional workmanship – from the first construction phase to turnkey handover. Civil Engineering – Solid Foundations for Every Project In addition to building construction, Zumbrunn Bau AG is also your competent partner for civil engineering works in Grindelwald and the surrounding area. Our civil engineering services include, among others: • Road and path construction: construction and maintenance of traffic routes • Earthworks: soil removal, earthmoving, backfilling, embankments, foundation excavation, construction pits, and trench excavation • Securing terrain drops: retaining walls, shoring walls, and anchoring systems • Slope works: cuttings, embankments, dams, and protection against landslides • Hydraulic engineering: structures for water supply, drainage, and sewer systems Especially in the alpine region around Grindelwald, precise planning, experience, and technical expertise are essential. We are familiar with the local conditions and ensure that all work is carried out safely, sustainably, and in compliance with standards. Your Construction Company in Grindelwald – Reliable and Regionally Rooted Zumbrunn Bau AG stands for personal service, high-quality execution, and on-time completion. Whether new construction, conversion, or civil engineering project – we support you competently through all phases of construction. Our goal is to create durable, functional, and cost-effective buildings that meet the high expectations of our clients. If you are looking for an experienced construction company in Grindelwald for building construction or civil engineering, Zumbrunn Bau AG is your strong partner in the Bernese Oberland. Contact us – we look forward to your project.

We offer customised waterproofing and resin coating solutions for customers in the Ticino region and Italian-speaking Switzerland. We innovate with sustainable solutions to ensure durability and safety Resin Coatings We perform resin coatings in outdoor and indoor areas; balconies, terraces, swimming pools, stairs, public areas, seamless living floors, etc. Beton Renovation Work on concrete walls and walls with resin injection system, static reinforcement of the load-bearing structure with resins and application of carbon fibre strips Fire Protection Insulation and Fire Protection Laying System Sealing of plant penetrations and structural joints, treatment with suitable intumescent and thermo-expanding fireproofing material in accordance with VKF standards Siliconing Sealing of all types of joints and gaps in new and existing constructions with suitable materials. We use high-quality products complete with warranty Waterproofing With proper waterproofing you can prevent damage caused by water seepage or condensation are the main causes of serious damage to the structure of buildings Choosing Isoline means relying on proven experience and innovative solutions in waterproofing and renovation, guaranteeing high quality and long-lasting results with a strong commitment to sustainability and safety. The benefits of resins are floor and wall coverings: ‍ ‍Repellent: Resin repels water, preventing damage from moisture and mould. This makes it ideal for damp environments such as bathrooms and kitchens. ‍Versatile: You can choose from many colours and styles. ‍Resistant: They are durable, resistant to scratches and chemicals. ‍Easy to clean: All you need is a broom and a damp cloth to keep them clean. ‍Jointless: The continuous joint-free surface is more hygienic and easier to maintain. ‍Eco-friendly: Some resins are recyclable and environmentally friendly. ‍Suitable for underfloor heating: They work well with underfloor heating. ‍Quick installation: They can be installed quickly, reducing waiting time. We build together Something Extraordinary Your trust, our commitment: Isoline has a rich portfolio of completed projects, a symbol of our competence and reliability. For all your needs, from renovation to waterproofing, we rely on our experience to guarantee tailor-made solutions and excellent results

Isotech Ticino SA A company with more than 60 years of experience in the construction industry, and particularly in waterproofing. In the course of six decades of activity, the company has significantly expanded its client base and the services it offers to them, and today also deals with many other sectors. Bituminous waterproofing Liquid plastic waterproofing Working joints Mastic joints Rigid waterproofing Injections Concrete restoration Static reinforcement with carbon slats Fire protection Anti-vibration carpets Anti-seismic carpets Flooring Draining natural stone paving Footpaths for old people's homes Anti-trauma flooring for playgrounds Flooring for Street Workout and Parkour Anti-trauma flooring for courtyards and gardens Sports Flooring Synthetic Grass Sports Flooring Gymnasium and Crossfit flooring Sports flooring for terraces and flat roofs Industrial flooring Giomoflex® granulate flooring Sports flooring for padel Drone surveys Project assistance

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.

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

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