What are some tips for fixing rust holes on an automobile?


Quick Answer

The first step to fix rust holes on an automobile is to scrape off all the loose paint and sand off all the rust around the hole, then spray the area with rust treatment. Let the treatment dry for one hour, then wash it off to stop the chemical reaction.

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Full Answer

Apply fiberglass over the hole. There are fiberglass kits sold at most hardware stores for this purpose. Apply as many layers of fiberglass as needed to cover and strengthen the rusted portion. For the best results, apply a thin coating of putty over the fiberglass. Wait for both the fiberglass and putty to dry, then sand the surface to a smooth finish.

Apply primer over the smoothed surface to give it a neutral color, then sand it again. Spray the sanded surface with paint that matches your car color to complete the repair.

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