Internal & external wet area waterproofing membrane


  • External wet areas
  • Internal wet areas
  • Under Tiles
  • Balconies
  • Parapet walls
  • Retaining walls
  • Planter boxes

Colour: Light Grey

Packaging: 15L, 5L


Tamsi BARRIER PU is an advanced elastomeric polyurethane membrane containing high quality resin and fibers designed to be used in both under tile and exposed areas.


  • Certified class III elasticised water-based polyurethane membrane
  • Compliant to AS 4858:2004 – Internal Wet Areas Waterproofing
  • Compliant to AS 4654.2-2012 – Waterproofing Membranes for External Above Ground Use
  • Does not re-emulsify once fully dried
  • Fast cure
  • Durable and tough seamless finish
  • Flexible & Elastomeric
  • UV stable*
  • Salt and carbon attack resistant
  • Environmentally safe


  • Compatible with most common tile adhesives
  • External wet areas, balconies, decks and podiums
  • Roofs
  • Parapet walls
  • Plant floors and external areas
  • Retaining walls
  • Garden
  • Planter boxes
  • Internal wet areas