Single Part Primer for Non-Porous Substrates


ARDEX P 9 is a water-based primer used for improving the adhesion of ARDEX products to smooth, dense and various non-porous substrates. It is easy to apply with a brush or roller with applications of subsequent products able to take place with minimal downtime. ARDEX P 9 is suitable for internal and external wall and floor applications in residetial and commercial locations.

  • Improves adhesion to smooth, dense and non-porous substrates
  • For use with ARDEX tile adhesives and floor levllers
  • Water-based
  • Solvent free

Product code: 16778


  • Substrates:
    • Particleboard, plywood, sheet timber
    • Medium density fibre-cement sheet, compressed fibre-cement sheet
    • Jointing compound over plasterboard 
    • Concrete, renders, screeds, masonry and lightweight concrete blocks
    • Autoclaved aerated concrete (AAC)
    • Existing Glazed Tiles (not suitable for shower floors or permanently immersed conditions)
    • Metal Surfaces
    • Some plastics (contact ARDEX)
    • Epoxy Coatings (contact ARDEX)
    • Painted Surfaces

      Contact ARDEX if other substrates are encountered.


  • Location:
    • Internal or external
    • Walls and floors
    • Residential and commercial
  • Coverage:
    • 6-10m2/L
  • Drying Times:
    • Approximately 20 minutes
  • Packaging:
    • 4L