How does it occur?
- Painting over a surface affected by microbial growth
- Seepage or dampness in buildings
- Contamination of paint by materials used in putty preparation
Solution
Prevention
- Before painting, the area should be cleaned with 5-10% bleach solution
- Use clear water for thinning and putty preparation
- Keep doors and windows open during and after painting
- Use recommended painting system
Remedy
- Clean with a bleach solution and repaint
Other painting problems
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