Sika® Aqua Blok® WPU

Aqua Blök WPU is a premixed, single component, waterbased polyurethane waterproofing membrane. Aqua Blök WPU has High Extensibility and forms an elastomeric, seamless waterproofing membrane for use in internal and external applications for under tiled finishes including shower recesses, bathrooms, laundries, decks, balconies, podiums and rooftops. Aqua Blök WPU has low VOC's and bonds to a wide variety of substrates. Aqua Blök® WPU contains micro fibre reinforcement for improved tensile strength and crack bridging.

  • High Extensibility >300%
  • Micro fibre enhanced reinforcement
  • Internal and external applications
  • One part – No mixing, ready to use
  • Water based - Low VOC's, Non hazardous
  • Compatible with the Sika® and CTA® range of tile adhesives