As with fixing surface rust paint and clear coat your repaired spot then buff to blend it in with the rest of the car.
Rusted car with clear coat.
The best way to do that is to coat the exposed metal beneath your vehicle to keep water and salt from coming into contact with it.
The rust can simply be sanded off painted and given a clear coat finish to seal out the elements.
Typically the bare metal of the bodywork of a car is covered in three coats.
The first is the primer the second is the color coat and the third is the clear coat.
The simplest way to deal with rusting underneath your car is to prevent it from happening in the first place.
Then a link of clear coat.
Buy paint and supplies.
Use carfax s service shop directory to find top rated service shops near you but if the rusting process goes on too long it can eat right through the metal causing holes and allowing body panels to fall to pieces.
Wipe clean with a microfiber cloth and isopropyl alcohol to remove any contaminants left by sanding.
And people report that as stress is put on the clear coat the clear coat pulls off taking rust with it.
Rust repair isn t hard but it is time consuming mostly waiting for primer and paint to dry between steps.
When sprayed directly onto metal rusted areas are destroyed on contact leaving behind an even black coating that also acts to prevent more rust forming in the future.
Vht s rust remover for cars is a powerhouse when it comes to fixing rust problems.
What is clear coat paint.
To spray new clear coat shake the aerosol can for at least a minute then apply a light first coat.
It is just like any other automotive paint but with no pigment.
Put simply it is paint or resin that has no color.
The best clear coat for cars faq.
Plan to spend about 100 on supplies like sandpaper primer masking tape and poly sheeting a tack rag polishing compound and touch up paint and clear coat.
To repair minor rust on a car you ll need an automotive primer base paint that matches the color of your car and some clear coat.
But i suspect that if the rust is quite thin such that the clearcoat can wet it all the way through to where the clear coat can actually grab some sound steel you may get acceptable adhesion.
Go lighter on the surrounding clear coat as you are trying to smooth and blend the damaged area not remove more clear coat.