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ARDEX WPM 155 Rapid

Professional Fast-Drying Under-Tile Waterproofing Membrane

ARDEX WPM 155 Rapid is a high-performance, water-based polyurethane-acrylic membrane engineered for superior under-tile waterproofing. Its advanced rapid-dry technology ensures significantly faster project turnaround without sacrificing durability, making it the premier choice for residential and commercial wet area installations.

Key Features & Performance Benefits

  • Ultra-Fast Drying: Recoat in 1-2 hours and ready for tiling in just 4-6 hours.
  • Certified Quality: Class III high-extensibility membrane compliant with AS4858 standards.
  • Application Precision: Excellent film build properties allow for easy thickness monitoring during application.
  • Eco-Friendly: Green Star rated, meeting VOC credit benchmarks for the Green Building Council of Australia.

Technical Specifications

  • Approved Substrates: Concrete, Renders, Screeds, Fibre Cement, Plasterboard, and Plywood.
  • Application Areas: Internal Wet Areas (bathrooms, laundries), Balconies, and Decks (protected from traffic).
  • Versatility: Suitable for both vertical and horizontal surfaces (Walls and Floors).
  • Unit Size: 4L (5.3kg) pail.
  • Low VOC: 42g/L content.

Coverage Rates

  • Walls: Approx. 17.2m² (across 2 coats) at 0.5mm D.F.T.
  • Floors (with STB Tape): Approx. 17.2m² (across 2 coats) at 0.5mm D.F.T.
  • Floors (High Protection): Approx. 8.6m² (across 2 coats) at 1.0mm D.F.T.

Technical Resources

Product Data Sheet | Safety Data Sheet

Technical data verified via official ARDEX Australia Product Documentation.