Retaining Walls

 All wet Areas

 Internal & External Waterproofing

 Internal & External Screeding

BOSS waterproofing
For a free quote or any other enquiries:
1300 131 565



Boss PU – 1


Water based Polyurethane Under Tile Membrane.

PU1 is a high performance, modified polyurethane membrane based on advanced polymer technology. Non-toxic and solvent free, PU1 is highly flexible and offers outstanding elastic recovery. Enhanced with fibres for improved workability and tensile strength, PU1 displays exceptionally low water vapour transmission making it ideal for areas subject to permanently wet conditions. Suitable for internal and external wet areas enabling the direct fix of tiles, screeds and renders finishes directly over.

Boss PU-1 Membrane satisfies the requirements of:

  • AS/NZS 4858:2004 Wet area membranes as a Class III membrane
  • AS3740:2004 Waterproofing of Wet Areas Within Residential Buildings
  • AS4654.1—2012 Waterproofing membranes for external above-ground use

Gripset 51

Gripset 51

Bitumen rubber liquid membrane suitable for underground and external areas. Displaying excellent sealing and adhesion properties for waterproofing applications, Gripset 51 is also suitable as an anti rot and rust preventative coating over timber and metal surfaces.

  • Solvent free, non flammable and non toxic
  • Outstanding adhesion and sealing properties
  • Highly flexible


  • Retaining walls and underground surfaces
  • Planter boxes and garden beds
  • Gutter and roofing repairs


  • Concrete, render and masonry
  • Fibre cement, plasterboard and structural sheeting
  • Galvanised iron and zincalume (not raw steel)
  • Polystyrene