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Single Part Primer


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.


  • 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
    • 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.
  • Application:
    • Internal/external
    • Walls/floors
  • Coverage:
    • 6-10m2/L
  • Pack Size:
    • 1L
    • 4L
  • Drying Times:
    • Approximately 20 minutes