Established in 1965, Marti subsidiary Renesco has developed from a local Swiss tunnel sealing company to an internationally recognized specialist for the execution of waterproofing and grouting works for all kinds of transportation, hydraulic and other underground structures.

The company’s services include sheet-waterproofing, bonding sealing systems for new structures or restauration work. Full service in chemical and cementitious grouting and injection is available (including drilling services).

To be able to meet its customers’ highest expectations with regard to the quality and efficiency of work, Renesco develops and constantly improves its means and methods.