ARDEX P9 | WPD Group

ARDEX P9 Single Part Primer 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 P9 Single Part Primer is suitable for internal and external wall or floor applications.


  • 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 on specific types)
  • Epoxy Coatings (contact Ardex on specific coating)
  • Painted Surfaces

Contact ARDEX if other substrates are encountered.


  • Internal and external


  • Walls
  • Floors


  • 6-10m2/L

Drying Times:

  • Approximately 20 minutes

Pack Size:

  • 1L
  • 4L


Ardex P9 PDS

Ardex P9 SDS

Ardex P9 Spec Sheet

Ardex P9 VOC