Sofia Martinez
Refinishing a plastic tub can be a great way to give your bathtub a facelift without having to replace it entirely. While some opt to hire a professional to recoat their plastic tub, it is possible to achieve a professional finish by doing it yourself. The process involves several steps, including cleaning the tub, sanding it down, applying a bonding agent, painting, and sealing. This can help to conceal wear and tear, cover old staining, and restore the original beauty of the tub.
How to Recoat a Plastic Tub
| Characteristics | Values |
|---|---|
| Preparation | Clean the tub thoroughly, removing all traces of grease, grime, and dirt. Use sandpaper to scuff the surface and create a rough texture for the paint to adhere to. Cover the surrounding area with tape and cloth to avoid spills and drips. |
| Materials | Epoxy coating, etching powder, latex gloves, steel wool, brush, cleaning solution, cleaner or thinner, safety goggles, and paint. |
| Process | Apply an even layer of paint, allowing it to dry before deciding if a second layer is needed. Finish with a polyurethane topcoat for durability. Seal the tub's joints with silicone caulk and reinstall the hardware. |
| Professional Services | Hiring a professional bathtub refinisher is recommended for a long-lasting and high-quality finish. They will use the appropriate materials and techniques to ensure a proper recoating. |
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What You'll Learn
Preparing the plastic tub
Preparing a plastic tub for recoating is a crucial step in ensuring a professional-looking and long-lasting finish. Here is a step-by-step guide to help you prepare your plastic tub for recoating:
Clean the Tub Thoroughly:
Start by giving your tub a deep clean to remove any traces of grease, grime, soap scum, mildew stains, or body oils. Use a sponge and a bath cleaning product or an abrasive cleanser. For tough stains, you can use bleach or a chemical cleaner. Ensure that you rinse the tub thoroughly with clear water after cleaning.
Remove Caulking and Fixtures:
Remove all caulking from the joints and edges of the tub. If necessary, use a chemical caulk remover for this step. Also, remove any fixtures such as escutcheons, cover plates, and bathtub spouts. This will ensure that you have a smooth surface to work with and prevent unwanted paint adhesion on these areas.
Sand the Surface:
Use fine sandpaper to sand down the tub. This will help even out any cracks, scuffs, or imperfections and create a rough surface for the new finish to adhere to. Sanding is crucial, especially if you're working with plastic, as it can be challenging for paint to stick to a smooth plastic surface.
Wipe and Dry the Tub:
After sanding, thoroughly wipe down the tub to remove any residual dust or particles. Use a damp cloth for this step, ensuring that you dry the tub completely afterward. Allow extra time for moisture to evaporate, as any remaining moisture can affect the adhesion of the new finish.
Apply a Bonding Agent (Optional):
Some sources suggest applying a specific bonding agent or primer to your tub at this stage. This step can improve adhesion and ensure a smoother surface for painting. However, this may depend on the type of recoating product you intend to use, so refer to the manufacturer's instructions.
Protect the Surrounding Area:
Before you begin the recoating process, protect the surrounding area. Use drop cloths or floor coverings to catch any spills or drips. Use painter's tape or construction tape to mask off the walls, floors, and any areas of the tub you don't want to paint, such as the edges or specific designs.
By following these steps, you will have a well-prepared plastic tub that is ready for recoating. Remember to wear gloves and a face mask during the preparation and recoating process to ensure your safety and protect yourself from chemicals.
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Choosing the right paint
Type of Paint
The type of paint you choose is critical to ensure adhesion and a durable finish. Plastic is smooth and non-porous, so most paints won't stick to it. Look for paints specifically designed for use on plastic surfaces. These paints have special formulations that allow them to adhere properly to plastic. Some recommended options include epoxy-based paints and acrylic enamel paints.
Colour and Finish
Consider the colour and finish you desire for your tub. Epoxy coatings typically come in white or a few other basic colours. If you opt for a paint designed for plastic, ensure it is available in your desired colour. Additionally, decide whether you want a glossy or matte finish. Some paints may offer different finish options.
Application Method
Paints for plastic tubs may come in spray bottles, classic paint cans, or rollers. Each application method has its advantages and disadvantages. Spray paints may provide a more even finish but are more expensive and prone to accidents. Painting with a roller or brush may be more affordable, but achieving an even finish can be challenging.
Professional vs. DIY
Decide whether you want to hire a professional to recoat your tub or do it yourself. Professionals have the expertise and tools to achieve a high-quality finish. They will know the proper paint and preparation techniques required for a long-lasting result. If you choose to DIY, follow instructions carefully and be prepared for a labour-intensive process.
Proper Preparation
Regardless of the paint you choose, proper preparation is key to success. Ensure your tub is thoroughly cleaned and dried before painting. Sanding the surface is often necessary to create a rough texture that the paint can adhere to. You may also need to apply a bonding agent or primer to ensure proper adhesion and an even finish.
Remember, taking the time to select the right paint and preparing the surface correctly will help ensure a durable and aesthetically pleasing recoating of your plastic tub.
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Sanding the surface
Before you begin sanding, ensure that your tub is as clean as possible. Use a sponge and a bath cleaning product to remove any grease or grime. You can also use a chemical cleaner to remove any soap scum, mineral deposits, or body oils. If there are any cracks or chips in the tub, fill them and sand them smooth.
When sanding, use fine sandpaper to sand down the surface of the tub. Move the sandpaper in the direction of the cracks or scuffs to help even them out. Be sure to wear gloves and a face mask to protect yourself from any dust or debris. It is also important to cover the surrounding area to protect it from dust and to use tape to achieve a clean edge along the tub's edges.
Once you have finished sanding, wipe down the tub with a damp cloth to remove any remaining dust or debris. Then, allow the tub to dry thoroughly. This step is crucial, as any remaining moisture can prevent the new finish from adhering properly.
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Applying the coating
When applying the coating, it is important to ensure that the paint is applied evenly across the entire tub. You can use a roller for this, alternating between vertical and horizontal strokes to prevent drips and roller ridges. Start with the sides of the tub, then move to the tub deck (horizontal surfaces), and finally, roll the bottom. Finish the edges with a sponge brush.
Before applying the coating, it is crucial to prepare the surface properly. This includes cleaning the tub thoroughly to remove any grease, grime, or mildew stains, and removing all caulking from the joints. You may need to use a chemical cleaner or bleach to ensure the tub is free of all soap scum, mineral deposits, or body oils. Once clean, dull the tub's surface with sandpaper or etching powder to help the new coating adhere better. Fill any cracks or chips with a bonding agent or filler and sand smooth.
After the surface is prepared, you can begin applying the coating. Most DIY kits use an epoxy coating, which comes in white or a few other basic colours. You can also use acrylic enamel, which can be sprayed or painted on. If spraying, be aware that it may be more expensive and prone to accidents. Always follow the manufacturer's instructions for the specific product you are using, as some products require immediate recoating, while others suggest waiting one or two hours before applying the second coat.
Once you are happy with the coverage, finish with a polyurethane topcoat to enhance durability and maintain the paint colour. After applying the coating, allow adequate cure time, typically about two days, and ensure the area is well-ventilated during this period. Finally, seal the tub's joints with fresh silicone caulk and reinstall the faucet hardware.
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Finishing touches
Once you have applied the coating to the sides of the tub, alternate between vertical and horizontal strokes to prevent drips and roller ridges. Move to the tub deck (horizontal surfaces), then roll the bottom. Finish the edges with a sponge brush. Apply a second coat. Some products require immediate recoating, while others suggest one or two hours of drying before applying the second coating.
Leave the coating to dry for a full two days. Keep the area well-ventilated for at least the first day of curing. Seal the tub's joints with fresh silicone caulk and let it cure overnight. Reinstall the faucet hardware. Your refinished bathtub is now ready to use.
When cleaning a resurfaced tub, use non-abrasive cleaners, such as mild dish soap, and rinse thoroughly.
If you want a mirror-smooth, durable finish that will last for years, you could consider hiring a professional tub refinisher.
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Frequently asked questions
Over time, plastic tubs can start to look old and worn out. Scuff marks and staining can make the tub look dirty and uninviting, and no amount of cleaning can improve the situation. Recoating your tub can help conceal wear and tear and cover old stains.
It is recommended to hire a professional bathtub refinisher as they will know the proper paint and primer to use, and will do the necessary prep work to make the job look professional. However, if you want to recoat your tub yourself, you can buy a DIY bathtub refinishing kit.
You will need safety equipment such as gloves and a face mask, as well as supplies to protect the surrounding area such as construction tape, drop cloths, and painter's tape. You will also need sandpaper, a specific bonding agent or primer, paint (ideally acrylic enamel), and a polyurethane topcoat.
First, ensure your tub is as clean as possible. Then, sand down your bathtub to even out any larger cracks or scuffs and to help the new finish adhere better. Next, wipe down your tub and let it dry thoroughly. Apply a specific bonding agent or primer to your tub. Then, apply an even layer of paint to the entirety of your tub and leave it to dry. Once you are happy with the coverage, finish with a polyurethane topcoat.
Because plastic is smooth and non-porous, most paints won't adhere to it. It is recommended to use acrylic enamel, which can come in a spray bottle or a classic paint can. Spraying may give a more even finish but is more expensive and prone to accidents.
