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DESCRIPTION

Failure of dried paint to obscure or hide (e.g. ability to fully conceal painted surface) the underlying color or surface to which it is applied.

POSSIBLE CAUSE

  • Applying too thin of a paint film.
     

  • Use of paint with low hiding characteristics.
     

  • Use of a paint that is much lighter or darker than the previous coat.
     

  • Use of the wrong type or nap size of roller cover. Use of the wrong type or size of brush.
     

  • Painting over a porous surface that absorbs the coating.
     

  • Poor flow and leveling.
     

  • Thinning/reducing the coating.

 

SOLUTION

See Lead Information.
 

  • Follow label and data page directions for the appropriate film build (e.g. thickness of each coating layer).
     

  • Prime the surface with the appropriate Sherwin-Williams Color Prime® system of gray-shaded primers for the color of the topcoat.
     

  • Determine the correct roller cover type or nap based on the coating being applied and the surface to be coated. On smooth surfaces, a mohair, 1/4", or 3/8" roller nap is usually sufficient. On textured surfaces, a 3/4" nap or greater is needed.
     

  • Prime porous surfaces before topcoating.
     

  • Allow proper drying time before recoating.
     

See Brush or Roller Marks.

INTERIOR

EXTERIOR

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