ARDEX WPM 155 Rapid is a water-based, polyurethane-acrylic waterproofing membrane developed for high-performance under-tile waterproofing. When paired with forms a rapid waterproofing system that can be tiled over after 4 hours.

  • Fast drying Polyurethane acrylic membrane
  • Excellent film build – easy to gauge thickness
  • Class III membrane – in accordance with AS4858 requirements
  • Green Star – meets the benchmark for VOC credit in the Green Building Council of Australia’s Rating Tools


  • Concrete
  • Renders and Screeds
  • Fibre Cement
  • Plasterboard
  • Plywood – not recommended for external applications