How Scratches Are Repaired and Painted

Repairing scratches on a car can be quite simple or fairly involved, depending on how deep and large the scratch is. Here is the general step-by-step plan for scratch repair:

1. Preparing the scratched area:
   o Wash the car to remove dirt and dust from the scratched surface.
   o Use a soft cloth and car shampoo to clean any grease or other contaminants out of the scratch.
2. Judging the depth of the scratch:
   o Run a finger across the scratch. If your fingernail does not catch in it, it is probably superficial and can be polished out. If the scratch is deep, it may need paint.
3. Polishing the scratch (for surface scratches):
   o Use a dedicated polishing compound and a soft cloth.
   o Polish the scratch carefully, checking the result as you go. Stop once the scratch disappears or becomes much less visible.
4. Preparing for paint (for deep scratches):
   o Clean any rust or old paint out of the scratch with fine-grit sandpaper (P1200, for example).
   o Clean the scratched surface of dust and debris.
5. Priming:
   o Apply automotive primer to the scratched area so the new paint bonds well.
6. Painting:
   o Use automotive paint matched to your car’s colour. Apply it in several thin coats, letting each coat dry before applying the next.
7. Sanding and polishing:
   o Once the paint has dried, sand it first with a coarser grit and then with a finer grit to achieve a smooth surface.
   o Finish by polishing to bring out the gloss.
8. Finishing:
   o Clean the car of dust and debris.
   o Apply a protective coating such as wax or sealant to shield the area from future damage.