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P 4 Primer can be used on internal and external walls, ceilings and floors. It can also be used prior to the installation of tile adhesives and floor-levelling compounds. Tiling onto existing tiling is facilitated by the excellent texture of dry P 4 Primer.


  • Ready mixed re-sealable tub for convenience and ease of use.
  • Rapid drying - dries in as little as 30 - 60 minutes.
  • White colour allows clear identification of primed areas.
  • Moisture resistant - for internal and external use.
  • Produces a textured grip surface.
  • For use with ARDEX tile adhesives and floor levelling compounds
  • Suitable for a wide range of absorbent and non-absorbent substrates.
  • Consistency which virtually eliminates drips and splashes so ideal for use on walls, floors and ceilings.
  • Revolutionary, white, single component, solvent free system.


P 4 Primer is a primer and bonding agent for absorbent and non-absorbent substrates such as:

  • Concrete.
  • Cement and lime renders.
  • Sand/ Cement screeds.
  • Ceramic tiles and slabs.
  • Terrazzo.
  • Dispersion based paints.
  • Traces of non-water soluble, flooring adhesives.
  • Dry screeds.
  • Levelling and smoothing compounds.

Related literature

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Standard product features

Drying time (approximate at 20°C):

60 minutes.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-35-64/355 Primer-sealers

Product specification

An important note about specifying





+44 (0)1440 714939

Product reference

ARDEX P 4 Primer

Manufacturer details

Homefield Road,
Suffolk, CB9 8QP
Tel +44 (0)1440 714939
Fax +44 (0)1440 716667
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