CHALKING is evident with the formation of fine, white powder on the surface of the paint film due to weathering, which may give the appearance of colour fading.


  • The use of a low-grade, highly pigmented paint
  • The use of an interior paint for an outdoor application
  • Over-exposure of a coating which does not have adequate UV resistance
  • Painting of acrylic primers on walls with moisture contents of higher than 15%
  • Over-thinning of a coating Over-spreading of the primer and/or the topcoat


  • Scrape or sand the substrate to remove wrinkled coating.
  • If using a primer, allow it to dry completely before applying a quality topcoat.
  • The primer selection will depend on the type of surface to be primed
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