How Can I Refinish a Cast Iron Claw Foot Tub That Has Been Exposed to the Elements for Many Years?

Breathe new life into a cast iron clawfoot tub by refinishing it with an enduring paint. If your tub has been exposed to the elements for many years, consider an important point. Although cast iron resists oxidation, over time, it will become susceptible to rust. Treat the tub with a special rust-inhibitive coating, formulated to etch metal and improve its adhesive qualities. Once the clawfoot tub is properly conditioned, it will accept a new finish. Apply an enduring epoxy, or flaking will ultimately result.

1 Scrape loose rust from the weathered cast iron clawfoot tub using a wire brush.

2 Use steel wool to wash the cast iron clawfoot tub with soap. Rinse the weathered cast iron, using wet rags or a pressure washer. Let the tub to dry for three hours.

3 Apply painter's tape to portions of the clawfoot tub that will remain unfinished. Cover the surface underneath the cast iron tub with masking paper and drop cloths.

4 Coat the old cast iron with rust-inhibiting etching primer. Maintain 8 inches between the clawfoot tub and spray nozzle as you apply. Allow your tub to dry for three hours.

5 Coat the properly prepared cast iron with epoxy spray paint. Maintain 8 inches between the clawfoot tub and spray nozzle as you apply. Allow your tub to dry for three hours.