How Long Does It Take to Polish a Car Door?

1 Answers
DelAndrew
07/30/25 10:18am
Polishing a car door takes approximately 20 minutes. Introduction to Car Polishing: Car polishing is a step in the car detailing process, performed before waxing, sealing, or coating. Polishing, especially fine polishing, is essential for achieving a mirror-like finish when sealing or coating. This step is mandatory for sealing treatments. Without polishing, the paint surface remains uneven, and the sealing effect will not last long, making it no different from regular waxing. Depending on the condition of the paint, not all three polishing steps may be necessary. For new cars, a single-step restoration might suffice, but vehicles treated with coarse polish must undergo medium polish, and those treated with medium polish require fine polish restoration. Steps for Car Polishing: 1. Wash the entire vehicle: Use a high-detergent paint cleaner to wash the car thoroughly, ensuring no particulate dust remains that could cause new scratches during polishing. 2. Sand with water sandpaper: For surfaces with defects like coarse particles, fine sandpaper marks, or flow marks, use 600#-1000# water sandpaper wrapped around a small rubber block and gently sand the surface until smooth (avoid sanding through the paint layer). 3. Coarse and fine grinding: Use a mechanical grinder (electric or pneumatic) with coarse polishing compound to grind away the sandpaper marks, then switch to fine polishing compound for detailed grinding. 4. Polishing: Use a mechanical polisher with a mirror-finish compound to remove swirl marks left by the coarse compound, achieving a mirror-like polish on the paint. 5. Manual waxing: After grinding and polishing, clean off any residual polishing compound and immediately apply finishing wax with a cotton cloth over the polished areas. Wipe off any excess wax with a dry cloth to achieve a brilliant, mirror-like shine.
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