Repairing a damaged enameled bathtub can be a simple DIY project. The results might pleasantly surprise you, and the cost of repairing minor damage with a repair kit is significantly lower than replacing or refinishing the bathtub.
It’s not uncommon for heavy objects, such as a large ashtray or a tool, to fall and damage the bathtub. This is especially problematic for metal enameled bathtubs, as a chip in the white enamel leaves a noticeable black mark. Replacing the entire bathtub due to such damage is a major undertaking, often requiring the removal of ceramic tiles, which is both labor-intensive and expensive. Hiring professionals to re-enamel the bathtub is another costly option.
Using Enamel Paint or a Repair Kit
Fortunately, there are practical solutions that can almost completely eliminate the damage. You can purchase white enamel repair paint or complete repair kits at any well-stocked paint store. If the damage is small and not deep, enamel paint alone may suffice. Apply the enamel paint similarly to how you would apply nail polish. However, ensure the damaged area is clean and dry beforehand to ensure proper adhesion.
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If the damage is old, it is likely dirty and may have rusted. In such cases, sand the area with fine-grit sandpaper and, if necessary, apply one or two coats of anti-corrosion primer. Rinse off all debris with water and thoroughly dry the area with a dry cloth and a hairdryer.
For deep damage, fill the area with the putty included in the repair kit before applying the enamel paint. Follow the instructions provided in the kit. Generally, the process involves applying the putty in one or two even layers. Once dry, sand it down with a coarse grit sandpaper followed by a finer grit for a smooth finish.
Patience and Precision are Key
Before sanding the bathtub, cover the surrounding area with high-quality adhesive tape to avoid damaging parts that don’t need repair. Apply the enamel paint carefully; too much paint can cause drips, especially if the damage is on a slope. This task might be best handled by someone with a steady hand and patience.
Apply the paint to the black spot where the white enamel is missing, or over the putty if used, overlapping slightly onto the existing undamaged enamel to prevent future rusting. If you prefer, you can tape off the damaged area before painting to create a perfect square or rectangular “patch.”
The color of the new paint may not match perfectly, especially if the bathtub is old and has yellowed. However, the damage will be much less noticeable, and the risk of rust will be mitigated.
Summary of Steps:
- Clean and Dry: Thoroughly clean and dry the damaged area.
- Sand: For older, rusted damage, sand the area and apply anti-corrosion primer.
- Fill Deep Damage: Use putty from the repair kit for deep chips.
- Sand Again: Once the putty is dry, sand it smooth.
- Apply Enamel Paint: Carefully apply the enamel paint over the repaired area.
By following these steps, you can effectively repair your enameled bathtub, saving both time and money while achieving satisfactory results.
Photo: Freepik, bathtubrepair.co.uk