Detail Product

Dampfix Gold Grey - A Class 3, water-based polyurethane waterproofing membrane system

: Waterproofing


Dampfix Gold Grey - A Class 3, water-based polyurethane waterproofing membrane system

Bostik Dampfix Gold Grey is a one part, highly elastic, Class 3, water-based polyurethane waterproofing membrane system that meets the requirements of AS3740 by complying with AS/NZ 4858.

Bostik Dampfix Gold Grey waterproofing membrane system is specifically formulated for application on graded substrates that provide positive falls to drainage outlets. Overlaying tiling systems must comply with Guide to the Installation of Ceramic Tiles - AS3958.1

This is a 2-coat system applied over primed porous & non-porous substrates.  It is not recommended as a membrane system in immersed applications (such as pools or spas)

Key Features

  • Class 3 - High elasticity
  • Easy to use
  • Compatible with Bostik tiling system

Where to Use

  • Under tile to internal wet area shower, bathroom, kitchen, laundry & toilet areas when installed to AS/NZ 3740
  • Under tile or other wearing surface systems to external balconies, rooftops & podium levels when installed to AS/NZ 4654.2. 
  • All applications to be covered by tile or other protective system.


  • Concrete
  • Cement rendered masonry
  • FC sheeting
  • Water resistant plasterboard
  • Structural plywood (Type A Stamped “PAA JAS-ANZ” to AS/NZS 2269-2004)

To ensure that tiles are installed correctly, please consider using a tiling professional. All Natural Stone and Encaustic tiles should be sealed immediately after install.


To ensure long lasting, beautiful tapware, please do not use any chemical based or harsh cleaners. Also avoid any rough surface materials such as scourers, only use a soft cloth with warm soapy water.


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To ensure that our product is perfect for you, before purchasing please consider reading our Refunds and Returns Policy here.