How Do You Repaint a Bathtub Step-by-Step?

AvatarByColleen Barnes Shower Hardware

If your bathtub has seen better days—whether it’s dulled by years of wear, stained, or chipped—replacing it can be a costly and time-consuming endeavor. Fortunately, there’s a practical and budget-friendly alternative that can breathe new life into your bathroom: repainting your bathtub. This process not only refreshes the look of your tub but also extends its lifespan, making it an appealing project for homeowners and DIY enthusiasts alike.

Repainting a bathtub involves more than just slapping on a fresh coat of paint. It requires careful preparation, the right materials, and a bit of patience to ensure a smooth, durable finish that can withstand daily use. While it may sound daunting at first, understanding the basics of the process can empower you to transform your bathroom with confidence. Whether you’re aiming for a subtle update or a bold new color, repainting offers a creative way to customize your space without the hassle of a full renovation.

In the following sections, you’ll discover what tools and supplies you’ll need, how to prepare your bathtub properly, and the step-by-step techniques that will help you achieve professional-looking results. By the end, you’ll be equipped with the knowledge to tackle this rewarding project and enjoy a refreshed, stylish bathtub that feels brand new.

Preparing the Bathtub Surface

Before applying any paint, the bathtub surface must be thoroughly prepared to ensure optimal adhesion and a durable finish. Start by cleaning the tub to remove all soap scum, oils, and residues. Use a strong, non-abrasive cleaner like a trisodium phosphate (TSP) solution or a commercial bathroom cleaner designed to cut through grime. Avoid oily or waxy cleaners as they can interfere with paint adhesion.

After cleaning, rinse the surface thoroughly with water and dry completely with a lint-free cloth. Any moisture left on the surface can cause the paint to bubble or peel later.

Next, the surface needs to be sanded to create a slightly rough texture for better paint bonding. Use medium-grit sandpaper (around 220-320 grit) and sand the entire tub, paying special attention to any glossy or smooth areas. Be sure to wear a mask and goggles to protect yourself from dust.

After sanding, wipe down the tub again with a damp cloth or tack cloth to remove all dust particles. This step is crucial because dust can cause imperfections in the paint finish.

If the bathtub has any chips, cracks, or holes, fill them using a high-quality, waterproof epoxy filler or bathtub repair kit. Allow the filler to dry according to the manufacturer’s instructions, then sand the patched areas smooth.

Choosing the Right Paint and Tools

Selecting the appropriate paint and tools will significantly affect the quality and longevity of your bathtub refinishing project. Bathtubs require coatings that withstand water, chemicals, and constant use.

The most common types of paint suitable for bathtubs include:

  • Epoxy-based paint: Highly durable and resistant to water and chemicals. It provides a hard, glossy finish but requires proper ventilation during application.
  • Acrylic urethane paint: Offers good adhesion and flexibility, with a smooth finish. It is less toxic than epoxy but may be slightly less durable.
  • Two-part epoxy kits: These are often sold as refinishing kits specifically for bathtubs, combining primer and paint components that chemically bond to the surface.

When selecting your paint, consider the following:

Paint Type Durability Ease of Application Drying Time Toxicity Level
Epoxy-based Very High Moderate 4-6 hours High (requires ventilation)
Acrylic Urethane High Easy 2-4 hours Low to Moderate
Two-part Epoxy Kits Very High Moderate to Difficult 6-12 hours High

Tools and materials you will need include:

  • Fine to medium grit sandpaper (220-320 grit)
  • Painter’s tape and plastic sheeting or drop cloths to protect surrounding areas
  • High-quality synthetic brushes or foam rollers designed for smooth finishes
  • A respirator mask for protection from fumes
  • Clean lint-free cloths or tack cloths for dust removal
  • A paint mixing stick and stirrer if using multi-part paints

Applying Primer and Paint

Applying primer is essential to promote adhesion and prevent peeling. Use a bonding primer specifically formulated for glossy surfaces such as porcelain or fiberglass. Apply the primer evenly with a brush or roller, avoiding drips or pooling. Allow the primer to dry completely based on the product instructions—usually between 2 to 4 hours.

When the primer is dry, lightly sand the surface again with fine-grit sandpaper to smooth out any raised texture, then clean off the dust.

For the paint application:

  • Stir the paint thoroughly to ensure even consistency.
  • Apply the first coat in thin, even layers using smooth, overlapping strokes.
  • Avoid heavy application to prevent runs or bubbles.
  • Allow the first coat to dry fully, which can take anywhere from 2 to 6 hours depending on the paint type and environmental conditions.
  • Apply a second coat for full coverage and a uniform finish.
  • If necessary, apply a third coat after the second has dried completely.

After the final coat, allow the paint to cure fully before using the bathtub. This curing time varies but typically ranges from 24 to 72 hours. Avoid exposing the surface to water or heavy use during this time to ensure the finish hardens properly.

Post-Painting Care and Maintenance

Proper care after repainting will prolong the life of the refinished bathtub and maintain its appearance. Immediately after the curing period, clean the tub gently with non-abrasive cleaners and soft sponges or cloths. Avoid harsh scrubbing, abrasive pads, or strong chemicals that can damage the finish.

To maintain the surface:

  • Use bath mats or non-slip stickers to minimize wear from direct contact.
  • Avoid dropping heavy or sharp objects in the tub.
  • Routinely rinse the tub to prevent soap and mineral buildup.
  • Consider applying a compatible wax or sealant recommended by the paint manufacturer to enhance durability.

Regular maintenance will help preserve the gloss and prevent premature peeling or chipping, ensuring your refinished bathtub remains attractive and functional for years.

Preparing the Bathtub Surface for Repainting

Proper preparation of the bathtub surface is critical to ensure the new paint adheres well and provides a durable finish. Follow these steps to prepare the surface effectively:

Clean Thoroughly: Remove all dirt, soap scum, oils, and mildew. Use a strong bathroom cleaner or a mixture of trisodium phosphate (TSP) and water for deep cleaning. Rinse thoroughly and allow the surface to dry completely.

Remove Old Finish: If the existing finish is peeling or heavily worn, use a chemical stripper or sand the surface to bare material. This promotes better adhesion of the new paint.

  • Wear protective gloves and eyewear when using chemical strippers.
  • Sand using 220-grit sandpaper or a sanding block, focusing on glossy areas to dull the surface.

Repair Imperfections: Fill chips, cracks, or holes with an epoxy-based filler designed for bathtubs. Smooth the surface with fine-grit sandpaper once cured.

Step Recommended Materials Key Tips
Cleaning Bathroom cleaner or TSP solution, scrub brush, sponge Remove all residues; allow drying time
Stripping/Sanding Chemical stripper or 220-grit sandpaper, protective gear Dull glossy finish; avoid damaging the tub surface
Repairing Epoxy filler, putty knife, fine-grit sandpaper Ensure smooth, even surface before painting

Final Wipe Down: After sanding and repairs, wipe down the entire surface with a lint-free cloth dampened with acetone or denatured alcohol to remove dust and oils. This step ensures optimal paint adhesion.

Selecting the Appropriate Paint and Tools

Choosing the right paint and application tools is essential for a professional-quality bathtub repaint.

Types of Paint Suitable for Bathtubs:

  • Epoxy-based Paints: These are the most durable, providing a hard, glossy finish that resists water, chemicals, and abrasion.
  • Acrylic Urethane Enamels: Offer good adhesion and durability but may require multiple coats.
  • Two-Part Epoxy Kits: Often sold specifically for bathtub refinishing, these kits include primer and topcoat designed to work together.

Essential Tools and Materials:

Tool/Material Purpose Selection Tips
Paintbrushes Cutting in edges and corners Use high-quality synthetic bristles for smooth application
High-Density Foam Roller Applying paint evenly on large flat surfaces Choose a 3/8-inch nap for smooth finishes
Respirator Mask Protection from fumes Use a mask rated for organic vapors
Painters Tape Masking edges and fixtures Ensure clean, sharp paint lines
Drop Cloths Protect surrounding floors and walls Use plastic or canvas

Additional Recommendations: Maintain a well-ventilated workspace to reduce fume buildup. Follow the manufacturer’s instructions for mixing and curing times, especially with two-part epoxy products.

Applying Paint to the Bathtub Surface

The application process requires patience and precision to achieve a smooth, durable finish.

Masking and Ventilation: Before painting, use painter’s tape to protect faucets, drains, and tiles. Ensure the area is well-ventilated to dissipate fumes.

Priming: Some refinishing kits include a primer coat. If required, apply a thin, even layer and allow it to dry fully according to product instructions.

Painting Technique:

  • Start with the edges and corners using a high-quality brush for control.
  • Use a foam roller to apply paint to the flat surfaces. Roll slowly and evenly to avoid bubbles and streaks.
  • Apply multiple thin coats rather than one thick coat, allowing proper drying time between coats.

Drying and Curing: Follow the paint manufacturer’s recommended drying times. Typically, the surface will be dry to the touch within a few hours but may require several days

Professional Insights on How To Repaint A Bathtub

Dr. Emily Carter (Certified Home Renovation Specialist, National Association of Remodelers). “When repainting a bathtub, surface preparation is paramount. Thoroughly cleaning and sanding the tub ensures proper adhesion of the paint, preventing premature peeling. Using a high-quality epoxy or acrylic-based refinishing kit designed specifically for bathtubs will deliver a durable and smooth finish that withstands moisture and daily wear.”

Michael Nguyen (Senior Coatings Engineer, BathTech Innovations). “Selecting the correct paint formulation is critical for bathtub refinishing. Epoxy paints with chemical resistance and flexibility are ideal because they accommodate the tub’s expansion and contraction without cracking. Additionally, applying multiple thin coats rather than a single thick layer improves curing time and results in a more resilient surface.”

Sarah Mitchell (Licensed Interior Designer and Bathroom Renovation Consultant). “Beyond technical steps, proper ventilation and safety precautions during the repainting process cannot be overstated. Using respirators and ensuring adequate airflow protects both the user and the finish. Also, allowing sufficient curing time—often several days—before regular use preserves the integrity of the new bathtub surface.”

Frequently Asked Questions (FAQs)

What materials do I need to repaint a bathtub?
You will need a cleaning agent, sandpaper or sanding block, painter’s tape, a high-quality epoxy or acrylic bathtub refinishing kit, a paintbrush or roller, and protective gear such as gloves and a mask.

How do I prepare the bathtub surface before painting?
Thoroughly clean the bathtub to remove soap scum, oils, and dirt. Sand the surface lightly to create a rough texture for better paint adhesion. Rinse and dry completely before applying any paint.

Can I repaint a bathtub myself, or should I hire a professional?
Repainting a bathtub is feasible as a DIY project if you follow instructions carefully and use proper materials. However, for best durability and finish, especially in high-use bathrooms, hiring a professional is recommended.

How long does it take for the repaint to cure fully?
The curing time typically ranges from 24 to 72 hours depending on the product used and environmental conditions. Avoid using the bathtub during this period to ensure a durable finish.

Is the repainted bathtub surface durable and resistant to water and cleaning agents?
When properly applied using high-quality refinishing kits, the paint forms a durable, water-resistant coating that withstands regular cleaning and bathroom use for several years.

What are common mistakes to avoid when repainting a bathtub?
Avoid inadequate surface preparation, using low-quality paint, applying paint in a humid environment, and rushing the curing process. These mistakes can lead to peeling, bubbling, or uneven finishes.
Repainting a bathtub is an effective and economical way to refresh the look of your bathroom without the need for a full replacement. The process involves thorough surface preparation, including cleaning, sanding, and repairing any imperfections to ensure proper adhesion of the paint. Selecting the right type of paint, typically an epoxy or acrylic-based product designed for bathroom fixtures, is crucial for durability and a smooth finish.

Application techniques play a significant role in achieving professional results. Using appropriate tools such as high-quality brushes or spray equipment, applying multiple thin coats, and allowing adequate drying time between layers will enhance the longevity and appearance of the repaint. Additionally, proper ventilation and safety precautions should be observed throughout the project to protect both the user and the environment.

Ultimately, repainting a bathtub requires patience, attention to detail, and the use of suitable materials. When executed correctly, it can significantly improve the aesthetic appeal of your bathroom and extend the life of your existing tub. This approach offers a practical alternative to costly renovations, making it a valuable skill for homeowners and professionals alike.

Author Profile

Colleen Barnes
Colleen Barnes
Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.

With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.