Sealing is what we do. WBA offers expertise in sealing and protecting for all industries including bridge, highway, and tunnel. From complex immersed tunnel systems, to omega-shaped sealing systems, to aqueducts and more, we give you the solution you need. Our long history in waterproofing systems requiring vast movement make us the best resource in North America for your tunnel sealing needs.

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."