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Interior useExterior useInject with a caulking gun

FORTAFIX/ FORTAFIX PLUS – Expanding urethane system

With the Fortafix / Fortafix Plus System you can now consider repairing the cracks in your foundation without having to turn to a professional. Repairing foundation walls has never been easier than with the combination of these three state-of-the-art products from Cyntech: Fortafix, Fortafix Plus and Nivapatch.


  • Leaks
  • Drafts
  • Mould and mildew

Weatherproof the walls and foundation of your home. The Fortafix / Fortafix Plus System remains the best solution to repair your concrete walls. Application is simple and takes six easy steps.


  • Remove any crumbly areas and brush the concrete
  • Spray a good quantity of water into the length of the crack
  • Install the Fortafix Plus injection tubes
  • Seal with Nivapatch mortar
  • Inject Fortafix expanding urethane
  • Remove the tubing and the excess repair mortar with a cold chisel

Before beginning a repair, you should have the Fortafix cartridges, the Fortafix Plus injection tubes, and the Nivapatch repair mortar within easy reach.


  • Stops water leaks
  • Expands completely to fill available space
  • Binds totally to concrete
  • Easy-to-use

By following the manufacturer’s instructions, you will be assured of the best possible results. Before applying Fortafix / Fortafix Plus, ensure that the crack is blocked on the opposite side to avoid leaks or wasted material.

Since the Fortafix repair process requires the use of the Fortafix, Fortafix Plus and Nivapatch products, it is recommended that you familiarize yourself with the technical information for these products. Also knowing that the success of the injection depends on the application of the repair mortar, you should be particularly careful while applying the Nivapatch product.

Nivapatch – You need to level or repair uneven or damaged surfaces? Nivapatch is designed to bond to concrete and plywood.

Nivapatch Plus – Our high performance additive replaces the water in the Nivapatch mixture and enhances it with exceptional properties so that it can be used on exterior surfaces. Nivapatch Plus makes the Nivapatch repair mortar more flexible and more resistant to shocks and vibrations. This combination can even be applied to ceramic tiles, vinyl finishings, or surfaces covered with oil or carpet glue.

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For more information, please see the Fortafix / Fortafix Plus technical information and the description or contact us.