A mass-spring system from Getzner was used. It enjoys an excellent reputation as the ideal solution for inner-city areas among local transport companies, engineering offices and urban planners alike. The solution is highly efficient, as vibrations and structure-borne noise are optimally isolated. This considerably increases the quality of living and working in the surrounding area. The excellent cooperation between Stadtwerke München, the executing construction company Rhomberg Bahntechnik GmbH and Getzner Werkstoffe has already proven itself many times over and was confirmed once again in this project. "Thanks to our efficient planning, we contributed to the fact that the vibration-insulating system, which covers around 3,700 m2 , was installed in only eight months," says Sascha Reuter, Getzner's project manager in Grünwald.