Wenger Tiefbau AG delivers professional and timely services in excavation , demolition , trenching and utility line construction , roadwork and paving , as well as transport services . With many years of expertise, we complete projects in water engineering , renaturation , and high‑quality landscape and structural works , including natural stone walls, slope stabilizations, and paving work. [ wenger-tiefbau.ch ] A key highlight is our innovative road rehabilitation concept , where existing road surfaces are milled, stabilized, levelled, and compacted directly on-site. This enables efficient, eco‑friendly recycling of existing materials and provides an ideal base for new road surfacing. [ wenger-tiefbau.ch ] Our core services include: • Excavation & demolition • Trenching and utility line construction • Road construction & paving • Road rehabilitation & stabilization • Water engineering & renaturation • Landscaping / retaining walls • Transport services [ wenger-tiefbau.ch ] We stand for reliability, quality, and sustainable solutions , tailored to the needs of private clients, municipalities, and businesses.