![]() Whether you would you call it a run, sag, drip or curtain-run, these names all refer to when, during the paint application, an excessive amount of paint is deposited in a very limited area (Fig. These six common defects are ones that can be prevented either during application (runs, orange peel, and solvent popping) or during surface preparations (overspray, dirt nibs and fish eye). A technique used back then was significantly different than the polishing that is done now and later in this article, we will identify the differences between the aggressive buffing compounds of years past and what is available to us now. Lacquer paint, when first applied, does not shine at all, and must be buffed to the desirable gloss. A relatively aggressive "rubbing compound" and aggressive wool pad were used on every paint job that was produced. For those painters who have been around for some years, we will recall the days of lacquer paint, when all paint jobs needed to be buffed. However, these are the more commonly seen defects in many shops, and reviewing them will provide a good idea of how to approach them, as well as others you might encounter.Ī few terms and their historical context might be of value at this point. Since this list is by no means a comprehensive one, these may not be your most common defects because of your individual shop's conditions. ![]() If we were to narrow it down to just a few of the more commonly seen defects, they would be: runs, orange peel, solvent popping, dirt nibs, fish eye and overspray. We do not have the time or space to review them all, but will concentrate on some of the more commonly seen defects that can be either prevented or easily repaired. What defects are we talking about? Whole chapters have been written regarding the identification and repair of paint defects. But in practical application, it is inevitable that defects will occur. Does that mean all paint detailing is a form of repair, and that all defects should have been prevented? I suppose theoretically that all paint defects can and should be preventable. Shop foremen have been known to say that "if the buffer is running, we're not making any money" (Fig 1).
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