When the time comes to undercoat your vehicle, you have a few options for the process. In doing the job yourself, you can use spray cans or an air compressor system, and you will just need a few hours ...
It was a bummer, but when we had our 1965 Mustang painted the painter neglected to mask off the wheelwells, so Poppy Red paint drifted onto the old undercoating. That’s not uncommon with any paint job ...