WPA 400

Undertile Waterproofing Membrane


WPA 400 is an elastomeric, fibre reinforced waterproofing membrane based on high performance polymer technology. Designed for a range of undertile waterproofing applications, WPA 400 offers excellent adhesion and outstanding low vapour transmission properties. Fully compatible with polymer modified cement based tile adhesives, screeds and renders. The unique formulation provides excellent workability and film build. Class III membrane in accordance with ASNZS 4858 & AS 4654.1.

  • Fast curing.

  • Low VOC content.

  • Completely resistant to re-emulsification when fully cured.

  • Excellent adhesion to a wide variety of substrates.

  • Compatible with a wide range of tile adhesives.

  • Permanently flexible.

  • Fibre reinforced.


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