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ARDEX WPM 155 Rapid Plus

Professional Undertile Waterproofing with ARDEX WPM 155 Rapid Plus

ARDEX WPM 155 Rapid Plus is a high-performance, water-based polyurethane-acrylic hybrid waterproofing membrane. Specifically engineered for rapid project turnarounds, this Class III membrane allows for tiling in just 4 hours, ensuring maximum efficiency in bathroom and wet area installations without sacrificing durability or quality.

Key Features & Benefits

  • Fast-Drying Technology: Complete bathroom tiling in 4 hours; no risk to corners and junctions during application.
  • Advanced Crack Isolation: Provides robust protection against shrinkage, hairline, and other non-structural cracks.
  • Superior Bond Strength: Excellent adhesion to a wide range of substrates and fully compatible with ARDEX tile adhesives.
  • Certified Compliance: Classified as a Class III Membrane per AS/NZS 4858 Wet Area Membranes standards.
  • Eco-Conscious Formula: Meets Green Building Council of Australia Greenstar requirements (IEQ-13, IEQ-11).
  • Streamlined Workflow: STB Tape compatibility eliminates the need for traditional bond breakers.

Technical Specifications

  • Coverage: 15L (20kg) covers approx. 17.5m²; 4L (5.3kg) covers approx. 4.6m².
  • Drying Time: 4 hours at 23°C (Ready for tiling).
  • Membrane Type: Class III Polyurethane-Acrylic Hybrid.
  • Pack Size: 20kg (approx. 15L) bucket.

Product Documentation

Technical specifications sourced from the Official ARDEX WPM 155 Rapid Plus Technical Data Sheet