How much rust is normal?
Looked seriously at a 2007 coach today. One thing upon inspection is some rust. Inside a couple of the cargo storage doors, the bottom corners had some peeling paint and rust, not bigger than a half...
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It is close to impossible to avoid corrosion in places with a humid climate. For vehicles in such places, Steel is galvanized by covering it with a zinc coating only a few thousandths of an inch thick. The automobile industry now uses a zinc coating on body panels to prevent rust on vehicles. Check whether your vehicle has this covering on it. For other stainless steel appliances, I use Innoprotect B580. This forms a protective layer on the metal and prevents it from corrosion.
Check whether the following link can help you
Prevent Corrosion of Metals
Check whether the following link can help you
Prevent Corrosion of Metals
