• Manifestations
  1. The appearance of non-uniform color
  2. The wall is painted with a roller, but the corners are painted with a brush
  3. After picture frame is removed the inequality in color occurs
• Causes
  1. Unequal exposure to the light
  2. Usage of the wrong kind of colorant
  3. Usage of low quality paint
• Solutions
  1. Spread rates of brushes and rollers have to be as similar as possible
  2. Use only the correct colorant-base combinations
  3. Move the roller as close as possible to the edge where you used a brush to apply paint
  4. Use only high quality paints
  5. Maintain the wet edge of your roller/brush while working