MasterSeal 910 A hydrophillic pre-formed swelling waterstop system for joints between concrete elements


How does MasterSeal 910 work?

MasterSeal 910 provides a simple but efficient method of waterproofing construction joints. MasterSeal 910 waterbar is suitable for all construction joints subject to hydrostatic pressure, on one or both sides.

MasterSeal 910 is fixed on to the concrete face of the construction joint prior to subsequent concrete being placed against it. Movements along the joint caused by shrinkage or structural movement are accommodated by the water activated swelleable profile of the MasterSeal 910 waterbar.

MasterSeal 910 is based on a newly developed polymer technology providing a chemically resistant flexible composite capable of storing water within its molecular structure thereby increasing its own volume, swelling. The swelling of the gasket, which depending on the type of water it is immersed in can be up 200% of its original volume. This extreme swelling causes it to exert pressure on either side of the joint blocking any water passage through the joint.

What is MasterSeal 910 used for?

MasterSeal 910 is designed to replace conventional difficult to cast in extruded PVC and Rubber “tortuous path” waterstops, but only in construction joints where limited movement is expected.

MasterSeal 910 is frequently used in the following structures:

  • Water reservoirs / tanks
  • Canals
  • Dams
  • Sewage treatment plants
  • Basements

What are the benefits of MasterSeal 910?

MasterSeal 910 offers numerous advantages:

  • Eliminates costly design, welding and installation of waterbar.
  • The installed system assures a watertight structure.
  • Fast easy installation procedures.
  • Proven and predictable performance.
  • Completely maintenance free.
  • Possible to retro-fit when new construction is built against existing structures.

Product Information

Technical Data Sheet

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