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 | | | | DEFINITION
Formation of bubbles (foaming) and resulting small, round concave depressions ("cratering") when bubbles break in a paint film, during paint application and drying.
CAUSES
- Over-shaking of the paint.
- Applying (especially rolling) paint too rapidly.
- Excessive rolling or brushing of the paint for the job.
- Use of a roller cover with the wrong nap length.
- Painting in direct sunlight or painting on a surface that is too hot, which prevents the burst bubbles to flow out properly.
- Applying a gloss or semi-gloss paint over a porous surface.
- Use of low quality paint.
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| FIXING PROBLEM | | DUNN-EDWARDS SOLUTIONS | | | | | Allow the paint to dry, then sand problem areas, and re-apply a new coat of paint. | | | | | | | Use a primer or sealer over a porous surface before applying gloss and semi-gloss paints. | | | | | | | Use a high quality paint, which is generally formulated so the bubbles break while the paint is still wet, allowing for good flow and appearance. | |
| | | | | Use roller cover with the correct nap length. | |
| | | | | Avoid overworking the paint once it is applied to a surface. | | | | | | | For more information... | |
Click here to go to our Painting Tips Area
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