Even a nearly new boat can develop an unsightly fender-rub mark. We carefully polished a cloudy patch on Tiempo's white gelcoat, improving the clarity and restoring a more even gloss without unnecessary heavy correction.The boat was nearly new. The mark made it look otherwise.Tiempo's white gelcoat was in good condition overall, but one area had developed a cloudy, dull patch where a fender had been rubbing against the hull.It wasn't a major restoration job. But on an otherwise smart-looking boat, the difference in the finish stood out.And that's often what makes localised marks so frustrating. You don't notice the rest of the hull. You notice the one patch that looks wrong.The solution wasn't to polish the entire boat.The surrounding gelcoat still looked good, so there was no reason to carry out extensive correction.We concentrated on the affected area, using controlled machine polishing to improve the surface clarity and bring the gloss closer to the surrounding finish.The priority was to achieve a visible improvement while avoiding unnecessary removal of gelcoat.A small area. A noticeable difference.The cloudy patch became considerably less obvious, with improved clarity and a more even appearance against the surrounding hull.Not every mark can be completely removed, and we don't believe in promising that it can. The right result is the best sensible improvement for the condition of the surface.For Tiempo, that meant tackling the blemish without turning a localised issue into a much bigger job.Got a fender-rub mark, scuff or dull patch on your boat? We can assess whether localised gelcoat correction is the right approach.