The core activity of Strassmann Gebäudehülle AG is the planning, implementation and renovation of building envelopes, particularly roofs, with a focus on sustainability, energy efficiency and environmental protection. This includes: energetic roof renovations, installation of photovoltaic systems, planning and implementation of pitched and flat roofs, installation of roof windows, energy consulting and planning, and repairs and maintenance of roofs. The company focuses on creating sustainable, aesthetic and secure roof solutions that consider both the environment and society.