I shouldnt have said i ve never seen a lift problem.I have but it was only when i sprayed it to fast or heavy.I have had some problems with going over some a/m bumpers that were primed. Or had to fix something in the base.Dupont has takin care of the one major problem we have had. They wont stand behind it if you dont use all there products or if you dont use the acctivators. They dont warrenty custom work or there hot hues line.I have had more problems with sem trim black.