Superflex One-Part Undertile Liquid Waterproofing Membrane


A tough, ready to use waterproofing membrane specially designed for use under tiles.

  • BRANZ Appraisal (No. 472 & No. 473)
  • CSIRO Appraisal (No. 91)
  • Advanced acrylic polymers – will not re-emulsify
  • Compatible with ARDEX tile adhesives
  • Fibre-Reinforced - no need for reinforcing mat
  • Low VOC content – meets Green Building Council of Australia Green Star IEQ-13 requirements


  • Substrates:

    • Concrete, renders and screeds
    • Wet area compatible fibre-cement sheet, plywood and plasterboard

  • Location:
    Internal wet areas, balconies and other areas that will be tiled or protected from regular foot traffic
  • Surfaces: Floors, Walls
  • Colours: Blue viscous paste
  • Coverage: One 20kg unit covers approx 7.5m2 to 15m2 (2 coats)
  • Pack Size: 6.5kg, 20kg
  • Drying Times:

    Recoat time: 1-2 hrs
    Ready to tile: 48 hrs
    Full cure: 3 days

  • VOC content: 18g/L