ARDEX P 9 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 P 9 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