ARDEX WPM 1000 - Heat-Welded, External Undertile Waterproofing Membrane

Product Description

ARDEX WPM 1000 Weldable Waterproofing Membrane is a versatile rubber membrane that can be heat welded. It is suitable for waterproofing underground tanking, roofs, decks and tiles.

  • BRANZ Appraised (No. 727)
  • Heat weldable
  • Synthetic rubber with properties which resist ageing from heat, sunlight and ozone
  • Excellent gas impermeability and toughness
  • Polypropylene filaments are welded onto both sides of the membrane for better wetting by water based adhesives
  • Remains flexible at low temperatures

Laps and corners are to be heat formed and/or welded. Tiling can be done directly on the membrane after 60 minutes with common ARDEX tiling adhesives.


  • Thickness: 1.2mm
  • Elongation: 300%
  • Roll size: 1.4m x 20m