- Excessive film thickness or "piling on" of heavy wet coats.
- Placing a newly painted finish in hot sun too soon after spraying.
- Using lacquer thinner to reduce synthetic enamel.
- Spraying in extreme hot, humid weather conditions.
- Under reduced and/or too fast evaporating thinner/reducer for spray conditions.
- Air pressure too low during spray application.
- Force drying of air-dry enamels without the recommended additives.
- If defects are minor; Sand the top surface smooth, allow to cure and refinish.
- If defects are severe; Remove the affected area and refinish.
- Avoid excessive film thickness and heavy coats. Always allow for sufficient flash times.
- Keep newly painted finish away from direct sunlight until finish has dried/cured.
- Use reducer that is specifically recommended for the topcoat.
- Use the recommended reducer, additive, and/or retarder when spraying in hot humid weather.
- Select recommend thinner/reducer based on temperature, humidity, air movement, and size of repair.
- Use the proper reduction ratio and spray at recommended air pressure.
- Select the recommended additives to suit drying conditions. Follow force dry temperatures and time recommendations.