Trelleborg is the global market leader in sealing systems for tunnels. Whenever a tunnel is under a river or sea or when the groundwater table is high, the concrete tunnel elements need to be sealed against water ingress. We have a long reference list of tunnel project all over the globe for which we have designed and supplied the sealing system.
Products & Solutions
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Keeping Immersed Tunnels Watertight for 120 years
Take a look at some of the most exciting projects we’ve been part of and delve deeper into our tailor-made engineered solutions in some of the most technically complex and challenging environments.
Discover a best-practice approach to sealing systems
Designing a watertight immersed tunnel requires deep expertise and decades of craftsmanship, as well as the use of high-quality, tested materials that can endure today’s high water pressures and increased risk of seismic movements.
Gina Seals
Learn more about our Gina seals and individual components, as well as our experience in past projects.
World's Widest Immersed Tunnel, ShenZhong Link
Trelleborg to supply its industry leading tunnel sealing solutions to China's ShenZhong Link, the largest and widest immersed tunnel in the world upon completion in 2024 .
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