Foaming / Cratering
Manifestations
- In the early stage the bubbles are formed
- In later stages the bubbles can break and create cracks
- Causes
- Low quality paint
- Very old latex paint
- Rolling paint too rapidly
- Roller with inappropriate nap length
- Porous surface
- Solutions
- High quality paints
- Use semi gloss or gloss paints with a roller which has a short nap
- Appropriate preparation