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Paint runs are created due to heavy applications of paint. When paint is applied too thick, it fails to adhere to the surface. You can follow a technique to prevent the paint from running in the first place. However, if you have noticed that the paint has run and has already dried, you can fix this error without the help of a professional.
Step 1
Use the fine grit sandpaper to sand down the paint runs. If the paint runs are large, consider using loose grit sandpaper instead. Loose grit sandpaper is designed for tougher jobs. Continue to sand the paint runs until the area is smooth and level.
Step 2
Rinse the car to remove all sand particles. Failure to thoroughly rinse the car will cause other problems. For example, sand particles will leave little raised bumps under your new paint. If this happens, you will need to repeat these steps over in order to correct the error.
Step 3
Allow the car to completely dry. Do not attempt to proceed until the car has dried. Applying paint or primer to a wet car can re-create paint runs.
Step 4
Apply paint to the sanded area. Use a small touch-up brush to apply matching paint to the sanded area. A touch-up brush is normally around one inch in size. Using a small amount of paint, apply in smooth even strokes to avoid new runs. Only apply paint if sanding caused the paint to fade. Otherwise, skip this step and apply a layer of clear coat instead.
Apply the clear coat. If sanding required you to re-paint, allow the paint to dry. Use a clean touch-up brush to apply a thin layer of clear coat. Depending on the age of the previous paint job, you may need to apply clear coat to the entire car so that the color is even. This job will require a four-inch brush and an additional amount of clear coat.
Tip
- To avoid mismatched paint, remove a small chip from the paint run to use as a color reference.
Items you will need
- Loose grit or fine grit sandpaper
- Paint
- Clear coat
- 2 paint brushes
