This condition is known as edge mapping. The paint has raised areas that look like the edges of a map. It can be repaired by sanding and refinishing your car or the impacted area.
In this article, I’ll answer common questions about how to prevent edge mapping and eliminate it when it happens.
Edge mapping typically looks like the lines on a map. It describes the appearance of uneven edges in your car paint…
Edge mapping is caused when solvent from a new topcoat penetrates a solvent-sensitive substrate. This causes the lifting or wrinkling that creates the outlines or raised areas…
There are three ways to correct this:
Check questionable finishes by rubbing a small inconspicuous area with a shop towel saturated with lacquer thinner. Finishes susceptible to edge mapping will soften, wrinkle, or shrivel as the lacquer thinner is applied. If any of these reactions occur, you should:
Prevent edge matching on your automotive surfaces so you always achieve a smooth, professional finish and avoid having to take corrective action.