Tunnel Lining Applications from AGRU America


Application Overview

Protective liners for concrete tunnels that combine the advantages of thermoplastics (flexible, ductile, no corrosion) with concrete’s high strength and stiffness. Whether used in blast and bored or conventional constructions, AGRU tunnel liners protect against water infiltration, aggressive soils, and root penetration.

Please navigate to a product page for additional product specifications. Need help determining what product is right for your project? An AGRU America representative is prepared to assist.

Additional Resources
  • The AGRU Image
Related Links

Tunnel Solutions


A tunnel liner that protects concrete tunnel structures against the infiltration of water, aggressive soils, and root penetration. This tunnel lining system offers superior water resistance, reducing the maintenance costs of having to repair water spots, dripstones from lime diffusion, and external corrosion.

Learn More


Sure-Grip is a concrete protective liner in production for over 30 years. In that time, Sure-Grip has been installed in thousands of projects worldwide as a long-term alternative to spray-applied concrete protection products. Sure-Grip is a cost-effective means of incorporating reliable waterproofing and effective protection against concrete corrosion.

Learn More


Ultra Grip is an innovative concrete protective liner featuring a revolutionary redesign of the 13 mm Sure-Grip anchor to provide unparalleled backpressure resistance. Ultra Grip is a cost-effective means of incorporating reliable waterproofing and effective protection against concrete corrosion under high backpressure conditions.

Learn More

Need Help Determining Which Product is Right For Your Application?

Interested in learning more about how one of our products can make a difference in your next project? Please reach out to us with your questions and one of our sales or technical staff will be happy to assist you.

We can help you determine your exact product or application-related needs. And because our products meet, and often exceed, industry standards you can rest assured knowing that you are getting the best solutions in the business.