Sika is the market leader in concrete admixture technology. Combining this with our expertise in waterproofing has led to the development and evolution of the Sika® Watertight Concrete System, now the most widely used system of its type in the UK.


The Sika® Watertight Concrete System provides waterproofing for:

  • Basements
  • Lift pits
  • Retaining walls
  • Concrete facades
  • Keeping water in e.g. Swimming pools


Sika® Watertight Concrete complies with BS 8102:2009 Type B Construction.

The Benefits

The benefits of the Sika® Watertight Concrete System are clear:

  • Time saved at design and construction stages as the need for external membranes with their complex detailing and installation is eliminated.
  • Cost effective in comparison with membranes and other systems. Delivers maximum usable area to the occupier.
  • Quality backed by Sika warranty, BBA certificate and a 60 years track record.
  • Peace of mind for the client, specifier, contractor and end of user of the building. So confident are we in the performance of Sika® Watertight Concrete System that we offer a 15 year warranty.

Contact Us About Watertight Concrete

To contact us about Watertight Concrete, please fill in the short form below and a member of our team will be in touch as soon as possible.

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