Home Problems & Solutions The paint has peeled off on a surface painted with enamel or varnish. Wood CausesThe surface was not properly prepared (without sanding).Moisture has accumulated at the paint - wood interface, either from the interior of the wood or from the environment.An unsuitable paint was used (low moisture resistance). SolutionSand the surface.Fill in any cracks with acrylic putty.Apply two coats of enamel paint or varnish.