Renesco is a leading international company, specialized in the field of structural waterproofing and injections/grouting services. Established in 1965, Renesco is part of the Marti Group in Switzerland, an owner-operated family business that specializes in underground construction. Marti is a multi-disciplined organization with services that range from building transportation tunnels as a contractor of record to performing specialty underground services on a subcontract basis through its wholly-owned Renesco Group subsidiary.

Renesco provides all kind of specialty services for sealing operations in underground structures against pressurized and non-pressurized water, as well as injection/grouting works. Main areas of application include national and international large-scale projects in tunnelling and infrastructure, as well as in the hydraulic, environmental and rehabilitation sectors. 

Renesco has become an international leader in tunnel waterproofing, geomembrane application and specialty tunnel grouting services. The company currently has operating several divisions in different countries and we have ongoing projects in many more.

Key areas of expertise: 

• Thermoplastic welding of all kind of geomembranes, like PVC, TPO/TPE, FPO, PEHD, etc.
• Application/Installation of sheet waterproofing, loose-laid, fully bonded, post-applied or pre-applied
• Application of liquid and spray-applied waterproofing and coatings
• Fully automatically installation in tunnelling via hot-melt applied sheet waterproofing
• Application of frost and waterproofing protection (PE-foams, PELD, PEHD)
• Setting of anchor bolts including specialised drilling services and the installation of concrete elements

• All kind of chemical (acrylate, polyurethane, silicate, etc.) and cementitious grouting/injection works
• Compensation, permeation and contact grouting, ground stabilization
• Curtain injection, injections into hard and unconsolidated rock
• Specialised drilling services
• Controlling, monitoring and data management

Our reputation as a sub-contracting company has been built on providing tailor-made, practical-oriented and cost effective solutions and we have the right mix of skilled people, resources and expertise required to make your next project a success.