40+ Painting Over Peeling Paint Exterior Concrete PNG. Painting concrete block walls always starts with the removal of dust and dirt, efflorescence, and all loose or peeling paint. Can be caused by failing exterior paint, a leaking roof or metal cap flashing.
Masonry paint ($20 per gallon).
Peeling paint is common in areas with high humidity or lots of rain. Do you have peeling paint on an exterior wood repaint? I think that the latex paint may have shrunk slightly sometimes for unforseeable reasons, the final coat of paint is too much, and it starts peeling. Before you paint over peeling paint you have to determine if the problem is the product, application or painting over peeling exterior paint.