ARDEX WPM 155 Rapid - Modified Polyurethane for Undertile Waterproofing

Product Description

ARDEX WPM 155 Rapid is a water based polyurethane-acrylic waterproofing membrane developed for high performance under-tile waterproofing.

  • 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


  • Substrates: Concrete, Renders and Screeds, Fibre Cement, Plasterboard, Plywood (not recommended for external applications)
  • Location: Internal and External Wet Areas, Balconies, Decks, and other areas that will be tiled or otherwise protected by regular foot traffic
  • Surfaces: Floors, Walls
  • VOC content: 42g/L
  • Packaging: 4L (5.3kg), 15L (20kg) pails
  • Pack Size: 5.3kg, 20kg
  • Colours: Blue Grey


  • Floors 8.6m² (2 coats) D.F.T. – 1.0mm
  • Walls 17.2m² (2 coats) D.F.T. – 0.5mm

Drying Times:

  • Recoat Time: 1-2 hours
  • Ready to Tile: 4 hours
  • Full Cure: 3 days

ARDEX WPM 155 Consumption Calculator