
Painting a toilet can be a challenging task due to the slick and glossy surface of porcelain, which makes it difficult for paint to adhere to. However, with proper preparation and the right type of paint, it is possible to achieve a successful paint job. When it comes to painting a plastic toilet, the process becomes slightly easier as the surface is not as smooth as porcelain. Here are some recommendations for the best paint to use when painting a plastic toilet, along with the necessary steps to ensure a durable and aesthetically pleasing finish.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Surface | Plastic |
| Steps to paint | Clean, sand, prime, paint, and add a clear epoxy topcoat |
| Paint type | Appliance epoxy, spray paint, or plastic spray paint |
| Paint tools | Paint roller, foam brush, angled brush, Paint Behind tool |
| Preparation | Drain water, cover toilet with a trash bag, line the floor with drop cloths |
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What You'll Learn

Preparing the surface
The next step is to sand the surface of the toilet. Sanding creates a rough surface that allows the primer and paint to adhere effectively. Use fine-grit sandpaper, around 120-160 grit, to lightly sand the surface until it is sufficiently roughened. Be careful not to sand for too long, as the goal is simply to create texture for the paint to cling to without weakening or damaging the plastic. After sanding, the toilet will be covered in dust, so it is important to clean the toilet thoroughly again to remove all the dust. Use a cellulose sponge dipped in a mixture of dish soap and water to scrub the toilet and then dry it thoroughly with terry cloths or a rag.
Once the toilet is completely dry, it is time to apply the primer. Choose a primer that is suitable for plastic, such as an acrylic latex primer, and follow the product instructions for application. Ensure that you coat the entire surface thoroughly and allow the primer to dry completely before proceeding to the next step. Applying two thin layers of primer can help prevent chipping and scratching in the final painted product. It is important to note that you should refer to the manufacturer's instructions for drying times, as it may vary depending on the humidity and temperature of your work area.
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Choosing the right paint
Surface Preparation
Before painting a plastic toilet, it is essential to prepare the surface properly. The toilet should be thoroughly cleaned, drained of all water, and dried completely. Sanding the surface of the plastic toilet with sandpaper or a Scotch-Brite pad can create a dull finish, which can improve paint adhesion.
Primer
Using a suitable primer is crucial for ensuring the paint adheres well to the plastic surface. An acrylic latex primer is commonly used as it provides a good base for the paint to stick to. Allow the primer to dry thoroughly before proceeding to the next step.
Paint Type
The type of paint you choose is critical for achieving a durable and aesthetically pleasing finish. Appliance epoxy paint or spray paint designed for plastic surfaces is recommended. Epoxy paint is known for its strong adhesion and durability, making it ideal for the moisture-prone environment of bathrooms. Spray paint, on the other hand, can provide a smooth and even finish.
Topcoat
To protect the paint job and ensure its longevity, consider applying a clear epoxy topcoat. This additional layer will not only enhance the durability of the paint but also add a glossy finish.
Colour and Finish
When choosing the paint colour, consider the overall aesthetic of your bathroom. You may want to match the toilet colour to the tiles, walls, or other fixtures. Additionally, think about the desired finish. Do you prefer a glossy or matte look? Some paints offer a variety of finish options, allowing you to customise the final appearance of your toilet.
In summary, when choosing the right paint for a plastic toilet, follow these key steps: properly prepare the surface, select a suitable primer, opt for appliance epoxy or plastic spray paint, consider a clear topcoat, and finally, choose the colour and finish that best complements your bathroom décor.
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Using a primer
Before you start painting your plastic toilet, it is important to prepare the space. Cover the bathroom floor with a drop cloth and secure it with painter's tape. Cover anything you don't want to paint, including the flush handle, bolts, and plumbing pipes. If you're painting inside, ensure proper ventilation.
Once you're ready, start by cleaning your toilet and draining it of all water. Sand the surface to ensure the paint will adhere better. Then, you can apply your primer.
For plastic surfaces, an adhesion promoter or plastic primer is necessary to optimise the anchoring of the subsequent coats of paint. This step will ensure that the paint adheres correctly and behaves as expected. You can apply a thin and even coat of adhesion promoter over the entire surface, following the product specifications for drying time and gun adjustments.
Alternatively, you can use a spray primer specifically designed for plastics, which will also allow for good adhesion. If you're using a brush to apply the primer, use a narrow paint roller to apply it around the shape of the toilet, and switch to a foam brush for the areas behind the toilet and around the pipes.
Let the primer dry thoroughly before applying paint. The drying time will depend on the temperature, humidity, and the type of primer used.
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Drying time
Paint Type:
The paint type significantly impacts the drying time. Latex paints typically dry faster than oil-based paints. However, for bathrooms, it is advisable to use paint specifically designed for high-moisture areas.
Humidity Levels:
Bathrooms are inherently humid, and high humidity slows down evaporation, prolonging the paint's drying time. Using a dehumidifier can help reduce moisture levels and speed up the drying process.
Ventilation:
Proper ventilation is essential for paint to dry. In bathrooms with poor airflow, the paint may take significantly longer to dry. Opening windows and using fans can improve ventilation and accelerate drying.
Temperature:
Paint dries optimally within a temperature range of 50-85°F (10-29°C). Deviating from this range can affect drying time and the final finish. Maintaining a temperature of 70-80°F (21-27°C) is ideal for the best results.
Number of Coats:
Multiple coats of paint will inevitably take longer to dry than a single coat. Applying overly thick coats can lead to dripping and require additional sanding. It is recommended to start with light coats and build up as needed.
Surface Material:
The surface material can also influence drying time. Porous surfaces like drywall may absorb paint, potentially expediting the drying process. However, it is crucial to ensure that the toilet is completely dry before painting to ensure the paint adheres properly.
By considering these factors and allowing adequate drying time, you can achieve a smooth and durable finish on your painted plastic toilet. Remember, even if the paint feels dry to the touch, it may still be vulnerable to moisture and heat, so proper ventilation and allowing sufficient curing time are essential.
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Topcoat application
Before applying the topcoat, ensure that the paint is completely dry. The drying time will vary depending on the temperature and humidity in the bathroom, as well as the type of primer and paint used. Refer to the manufacturer's instructions for an accurate estimate of the drying time. Once the paint is dry, you can proceed with the topcoat application.
For plastic toilet seats, you can use a clear epoxy topcoat. Start by mixing the epoxy resin and hardener according to the manufacturer's instructions. Ensure that the paint surface is clean and free of any debris. Apply the mixed epoxy topcoat to the painted surface using a brush or roller. Work in small sections and follow the direction of the grain if there is one. Allow the topcoat to dry completely before using the toilet.
You can also use a spray-on epoxy topcoat for plastic toilet seats. Ensure that the area is well-ventilated and protected from overspray. Follow the manufacturer's instructions for the proper application technique and drying time. Spray an even coat onto the painted surface, holding the can at the recommended distance and angle. Allow the topcoat to dry completely before using the toilet.
For porcelain toilet seats, the process is similar to plastic seats. After sanding, priming, and painting, apply a coat of epoxy sealer or appliance epoxy as the topcoat. This will help protect the paint and ensure its longevity. Allow the topcoat to dry completely before using the toilet.
It is important to note that proper surface preparation is crucial for successful topcoat application. Ensure that the toilet is drained of water and cleaned thoroughly before beginning the painting process. Additionally, always refer to the manufacturer's instructions for specific guidelines related to the products you are using.
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Frequently asked questions
The best paint to use on a plastic toilet is either appliance epoxy paint or spray paint. If you use spray paint, you will also need to use a clear epoxy topcoat.
First, make sure your toilet is completely dry. Clean your toilet and drain it of all water. Then, sand the surface to ensure the paint will stick. Next, apply a primer. Once the primer is dry, you can apply your paint.
It is important to choose a paint that is suitable for use on plastic. Some paints may not adhere properly to plastic surfaces, so look for a paint that is specifically designed for use on plastic or a paint that is known to adhere well to plastic, such as epoxy paint.











































