In the case of O.E.M parts frequently they apply a bad quality primer that should be washed off with paint thinner before beginning the method, otherwise youll have the same issue with stone-chipping. New Fenders / Plastic This is the number one failed process in the business, many painters do not know or do not want to take the additional steps needed for correctly preparing plastic fender covers. If the shop is using waterborne they do not have as much to fret about, a fast adhesion test on the primer with a chunk of two in. tape is all that's required. A typical issue with rain gutters is their pulling away from the fascia board they're attached to. This problem frequently occurs whenthe smooth-appearing continual guttering is installed with seven ribbed gutter spikes thatyieldsunken barely-visible matching-colorheads. The householder will try and fix these drooping guttersby re-hammering the spikes into theiroriginal holes. Thendrive thespike into that original hole while keeping the gutter width-spacer inplace over the spike. Thisrepair methodology works well with many home guttering, whether or not the fascia board shows wear. Fenders infrequently match from the factory, the reason being because the plastic is usually painted at a fresh plant, infrequently in a fresh country.