How to Repair Automotive Rust
Most car owners eventually deal with automotive rust. Rust is a common problem with metals that are regularly exposed to rain, snow, road-salt or humidity. Rust starts small, but if not treated properly it quickly spreads; a car can develop rust holes. Repair of rust holes is far more expensive and time consuming than removing rust at an early stage.
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Instructions
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Grind down the rust with a sander until you reach bare metal. Use 80- to 100-grit sandpaper.
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Apply an automotive primer to the sanded area. Use a brush, or spray on the primer. The primer gives the automobile a rust-proof coating that protects the car from corrosion.
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Use touch-up paint if necessary. Apply the paint with a brush, or use spray paint.
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References
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