Internal Waterproofing Systems

Wet Area Membranes

Internal waterproofing products selected for internal applications are engineered to be used under tiled finishes or screed in wet areas. This waterborne synthetic rubber membrane uses a rough keyed finish to ensure total bonding to all top layers.



  • All Termidry applications are undertaken or supervised by accredited waterproofing applicators
  • Tested as Class III membrane to AS 4858
  • Complies with Building Code of Australia FP1.4 & FP1.7 & P2.2.2 & P2.4.1 
  • CSIRO accreditation to AS 3740 
  • Low VOC content
  • Green Star Compliant 
  • High permanent flexibility to accommodate substrate cracking
  • Excellent adhesion to a variety of substrates
  • Dries to a keyed finish to promote adhesion with tile adhesives
  • Designed for use with bond breaker
  • Excellent chemical resistance

Areas of Use:

  • Bathroom waterproofing
  • Shower recesses
  • Covered tiled balconies
  • Laundries and kitchens
  • Concrete, cement render and plaster
  • Wet area wall lining board
  • Fibre Cement sheet (FC sheet)
  • Light weight aggregate block
  • Plasterboard and Gyprock
  • Plywood, FC sheet and particle board flooring
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