Things You'll Need:
- Belt sander
- 600-grit sandpaper
- Shop vacuum
- Soap and water
- Towel
- Rust converter
- Application brush
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Step 1
Sand the rusty floorboard to remove as much loose rust as you possibly can.
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Step 2
Vacuum up all of the debris created by the belt sander.
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Step 3
Wash the floorboard you are working on with soap and water.
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Step 4
Dry the floorboard thoroughly with a clean towel.
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Step 5
Apply a liberal amount of rust converter to the floorboard where there is still surface rust. The rust converter will convert the rust to a black primer that can be sealed and painted.








