Wrinkling
Manifestations
- This rough, crinkled surface occurs when the paint forms a skin.
- Causes
- Paint being applied in too thick a layer. Happens more frequently with oil-based or alkyd paints.
- Painting during extremely hot weather.
- Uncured paint is exposed to fog, dew, rain or high levels of humidity.
- Not allowing the first coat of paint to dry for the necessary length of time before applying the second coat.
- Applying paint over a surface that is contaminated with dirt or wax.
- Solutions
- Removing wrinkled coating by scraping and sanding the substrate.
- Repaint, making sure the coat of top quality paint for exterior use is even.
- Allow the first coat or the coat of primer to dry sufficiently before applying another coat. Follow the manufacturer’s directions when spreading the paint.
- It is better to apply two thinner coats than one thick one.
- This is referred to as the recommended spread rate.
- Allow extra drying time if the weather is extreme, very cool, very hot or very damp.