Foaming and cratering
Formation of bubbles and foaming, resulting in small, round concave depressions or craters. These occur when bubbles break during application and drying.
- Excessive stirring of paint.
- Use of wrong roller of brush.
- Over diluting the paint.
SolutionAll paints will foam to some degree during application. If necessary, sand the problem areas before repainting.
Do not over-dilute the paint. See the product label for recommendations on thinning.
Follow Tikkurila's recommendations on spread rate.
Use a suitable paint, roller and brush. Wash the roller before painting and carefully shake out any excess water.
Do not stir the paint too much to avoid bubble formation.