Make sure that any rust on the car is thoroughly sanded off. This is a long process but will make your paint job look much better.
Allow the putty to dry for 1 hour before rubbing it over with 1200-grit sand paper. Car putty can be purchased online or from a hardware store.
Cellulose thinner can be purchased from a hardware store. Always use cellulose thinner in a well-ventilated area as the fumes can be toxic. You can also wipe down the metal with a quick-drying liquid, like paint thinner or denatured alcohol.
Don’t forget to cover any areas that aren’t metal, such as car bumpers, wheel rims, side mirrors, and window frames. [3] X Research source Painters tape can be purchased from a hardware store. Lay paper under your car if you don’t want paint on the ground surface.
Make sure that your car away from anything that you don’t want paint on. Wear safety goggles and a dust mask to protect yourself from the paint fumes and dust.
It is best to apply multiple light layers of primer instead of a few thick coats as applying thick coats can cause the paint to drip. Allow the area to dry for at least 24 hours after the last primer coat.
A test spray will give you the chance to experiment with how much pressure you need to put on the spray button.
Try to move the can at a consistent speed. Move your arm across the area at a consistent speed to achieve an even coat. Always keep your hand moving as you apply the spray paint so you aren’t concentrating it in a specific location.
If the surface still looks patchy after 2 coats, apply another coat after 10 minutes. Wait 30 minutes for the paint to dry before applying the clear paint.
