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Grouting / Injection Works

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.


Our specialized division for all kind of sealing operations in underground structures against pressurized and non-pressurized water.

Main areas of application include national and international largescale projects in tunneling and infrastructure.

Our key areas of expertise:

  • Developing concepts and solutions
  • Sealing of underground structures
  • Water and frost protection
  • Sealing of hydraulic and environmental structures
  • Rehabilitation works

Renesco

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