ES Joint Seal

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Longitudinal Joint System

The ES Seal, originally designed for immersed tunnels as a secondary seal, is a robust, flexible, reinforced omega shaped rubber seal used in various applications.


It is an ideal solution for joints where gap movements can be expected as a result of temperature effects and/or settlements. The unique property of the ES seal enables it to withstand high water pressure in combination with large movements in all directions.


Based upon materials data, ES seals have a projected life in excess of 100 years. The operating temperature should be within -30°C and +70°C and the rubber should not come into contact with hazardous materials, such as oil.



  • Tunnels
  • Aqueducts
  • Bridges