[header] How to repair peeling paint [title] Remove excess moisture near the painted area. [step] Since moisture can get underneath the paint and cause peeling, look for leaking or temperature fluctuations that cause sweating. For example, if you have peeling paint in the bathroom, the extreme temperatures and humidity can cause peeling. 
Consider using a dehumidifier in that room. [substeps] If the exterior paint is peeling, check around your gutters or roof to see if they're leaking onto the painted walls.