- 1). Match and purchase car paint and finishing coat. Take a small chip of paint from the waves for an accurate color match. A body shop or auto store will be able to assist you in locating the right color. Use the size of the waves to judge how much paint you will need.
- 2). Purchase fine or loose grit sandpaper to smooth the waves. Loose grit paper is designed for large, tough jobs. If the waves are small, fine grit will do the job.
- 3). Sand the waves in a circular motion until the surface is smooth.
- 4). Rinse the car to remove all sand particles. Sand particles left on the car will create raised surfaces under your new paint. So, while you are fixing one problem, you are creating another. To avoid this, thoroughly rinse your car with water.
- 5). Allow the car to completely dry. Attempting to re-apply paint to a wet car will cause the paint to drip.
- 6). Use a small, 1-inch, touch-up brush to apply new paint to the sanded area. If your sanded area is large, use a 4-inch brush instead. Apply in smooth, even strokes to avoid new waves.
- 7). Apply the clear coat. Allow the paint to dry for approximately an hour. Use a clean brush to apply a thin layer of clear coat. If the previous paint job is old, apply clear coat to the entire car to even out the color.
- 8). Allow the car to dry for approximately 24 hours.
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