How many coats of paint/stain should be applied?
In some rare instances, one coat of paint may be applied if the same color and product will be used. This approach, though claimed to be effective by many paint manufacturers, rarely yields a high level of customer satisfaction. A two-coat procedure is always preferable. It is possible, however, to apply one coat of primer tinted to the finish coat and one finish coat of paint. This method will not always work because of the finish (flat, eggshell, etc.