Trelleborg Proliner and HC120+ Epoxy Resin Achieve WRc Group Approval

Rehabilitated pipe using Trelleborg Proliner trenchless technology
Date: 16.12.25
Trelleborg Proliner, used with thermocuring epoxy resin HC120+, has received WRc Group approval, confirming infiltration resistance and fitness for purpose in water and wastewater rehabilitation.
Trelleborg Proliner, in combination with thermocuring epoxy resin HC120+, has achieved WRc Group approval. The independent certification confirms the system’s resistance to external water infiltration and its suitability for use in water and wastewater rehabilitation projects where asset protection is critical.

WRc Group is globally recognized for independently certifying solutions that protect water and wastewater infrastructure from external water ingress. This approval validates the performance of the Proliner system in applications where infiltration control is critical.

In addition to preventing infiltration, Trelleborg relining systems are designed to securely contain wastewater, reducing the risk of exfiltration into surrounding soil and groundwater. The certification reflects Trelleborg’s ongoing commitment to delivering reliable trenchless rehabilitation solutions that support the long-term protection of water resources.
 
Learn More About WRc-Certified Proliner Solutions

WRc Approval – FAQ

  • What has been approved by WRc Group?
    Trelleborg Proliner, used in combination with thermocuring epoxy resin HC120+, has received WRc Group approval confirming its resistance to external water infiltration and overall fitness for purpose.
  • Why is WRc Group approval important?
    WRc approval provides independent verification that a solution meets defined performance requirements for protecting water and wastewater infrastructure.
  • What does this approval mean for water and wastewater networks?
    It confirms that the lining system is suitable for applications where controlling infiltration and securely containing wastewater are critical.