Tips and Advice
Skip's Tips | Too Many Coats

As the substrate (surface) expands and contracts because of temperature fluctuations or moisture, the paint film is no longer flexible enough to move with the surface. Cracking or flaking of the coating usually results.
It is not uncommon to put a coat of paint on a surface that appears sound only to have many layers of paint peel away. At this point the surface must be stripped.
