Low-Viscosity Structural Concrete Crack Injection Epoxy


ARDEX RA 144 is a low viscosity, high modulus structural epoxy adhesive used for a variety of repair projects. With its low viscosity, it is perfect for horizontal gravity-feed repair of fine to medium size cracks and can be used in temperatures between 10°C and 35°C. Its bonding and sealing capabilities for interior and exterior slabs are exceptional. It can also be used as an epoxy mortar for spall repair when mixed with aggregate.

Basic Use:

  • Pressure injection of hairline cracks
  • Pre-stressed membrane repair - bridges, reservoirs, dams etc.
  • Gravity feed crack repairs
  • Bonding agent for concrete, steel and wood structures 
  • Vertical anchor installations


  • Working Time:
    • 20 minutes
  • Substrates:
    • Concrete
  • Drying & Curing:
    • Fully cured in approx. 24 hours
  • Location:
    • Permanent internal or external application
  • Colours:
    • Ambertint
  • Packaging:
    • 470mL cartridges (Product Code: 22791)