Careers Submittal Tool

Trelleborg is the only company in the world supplying seals for immersed tube, bored and cut & cover tunnels.

WBA and Trelleborg are now partnering in North America to provide you with all products needed which seal, damp and protect with high performance polymer solutions. We are very proud to be carrying the industry's best tunnel sealing systems into American and Canadian projects.

Omega Seals

"Applications for the Omega seal have now expanded to bored tunnels, aqueducts and ship lifts. Using the same construction techniques and materials as utilized in the original Omega shaped seal, the range has been expanded to flat seals."