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    Crack Repair & Injection


Low-Viscosity Rigid Hybrid Polyurethane Crack & Spall Repair


ARDEX RA 56 is an ultra-low viscosity, 2-component hybrid polyurethane adhesive. It is a rapid curing concrete repair material used when minimal down time is crucial. Its low viscosity offers deep penetration into hairline cracks for a structural repair. The addition of dry, bagged aggregate makes a quality spall repair product that is ready for grinding and open to traffic in less than 1 hour.


  • Substrates:

    • Concrete

  • Drying & Curing:

    • Open to full traffic in 60 minutes

  • Location:

    • Internal/External

  • Colours:
    • Grey
  • Packaging:

    • 254mL cartridge