WeldTec External Undertile Weldable Waterproofing Membrane


ARDEX WPM 1000 is a fleece-lined waterproofing sheet membrane specially formulated for the direct adhesion of tiled systems or for other non-exposed use. ARDEX WPM 1000 is heat-welded at laps and seams to create a superior bond, consistent gauge and allow a quick installation. ARDEX WPM 1000 has excellent flexibility, durability, and superior resistance to tearing, cracking, bubbling and absorption.

  • Manufactured in New Zealand
  • BRANZ Appraised (No. 727)
  • Heat-welded laps and seams
  • Fleece-lined for greater adhesion
  • Thin and consistent membrane thickness
  • Excellent flexibility - no requirement for fillet or bond breakers
  • Excellent resistance to tearing, cracking, bubbling, and absorption
  • Fully compatible with ARDEX tiling systems

Product Code: 16475


  • Packaging:
    • Roll of 1.4m x 20m x 1mm