Buildings represent enormous investments in terms of manpower and materials. Their demolition means wasting these investments and the values they represent. Fritz Wiedemann & Sohn GmbH has been concerned with preserving values ever since its founder Fritz Wiedemann, a qualified chemist, started developing chemotechnical products for potable water containers and the sealing and coating of pipe systems in 1947. Today the company with locations in Wiesbaden, Dresden and Munich ranks as a major building conservation, sealing and restoration business whose know-how and technical expertise are appreciated far beyond the borders of its German domestic market.