Maya Ellison
Painting a plastic tub surround can be challenging due to the smooth and non-porous nature of plastic, which makes it difficult for paint to adhere. However, it is possible to achieve a successful paint job with the right approach. This introduction will explore the various methods, products, and considerations for painting a plastic tub surround, including the use of specific types of paint, primers, and treatments to ensure a durable and aesthetically pleasing finish.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Paint | Spray can bonding primer, semi-gloss white paint, outdoor paint, Rust-Oleum paint |
| Alternative methods | Try a mould spray that contains bleach or chlorine, graffiti remover, marker, pen, and ink remover, or a tub and tile paint kit |
| Alternative suggestions | Buy a new tub, get the shower refinished, use a thick toilet bowl cleaner, or try vinegar and baking soda with a good polish |
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What You'll Learn
Use outdoor paint
Painting a plastic tub surround can be challenging because plastic is smooth and non-porous, so most paints won't adhere to it. However, there are some options for paint that can be used for this purpose.
One option is to use outdoor paint designed for wet environments, such as epoxy paint, which is known for its durability. Before applying the epoxy paint, it is important to prepare the surface by scrubbing it with a fibre scrubby and acetone to remove any oils or soap film. It is crucial to ensure proper ventilation during this process as acetone is toxic in large doses. Additionally, testing a small area first is recommended, as acetone can also dissolve plastic.
Another option is to use top-quality automotive paints, which are water-resistant and can withstand the moisture in bathroom environments. This type of paint is often used for Airstream trailers, demonstrating its effectiveness in wet conditions.
For a more expensive option, marine-grade paint can be considered. Interlux and Pettit are two brands that offer this type of paint. However, it is important to weigh the cost and time investment against simply purchasing a new enclosure, as the preparation and painting process can be extensive.
Regardless of the paint chosen, it is essential to ensure that the plastic surface is properly prepared. This may include sanding or treating the surface to create adhesion for the paint. Additionally, a sealer may be required to protect the new finish.
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Sand the plastic
Sanding is an essential step in preparing a plastic surface for painting. Since most plastic is glossy, sanding creates a rougher, matte surface that paint can adhere to more effectively. To sand the plastic, start by ensuring the surface is clean and free of any dirt or debris. You can use a mild dish soap and a sponge or rag to scrub the plastic, then rinse it thoroughly with cool water. Once the plastic is dry, use fine-grit sandpaper (180 to 220 grit) to lightly sand the entire surface you plan to paint. Keep your hand movements gentle to avoid generating too much heat and friction, which could damage the plastic. You are not trying to remove all the old paint, just scuffing up the surface to take away the smooth shine.
After sanding, it is important to remove any dust created by the process. You can do this by applying a coat of mineral spirits or isopropyl alcohol to a clean rag and wiping down the surface. This step should be done in a well-ventilated area, as mineral spirits are flammable. Continue wiping the surface until your rag comes away clean and free of dust. This step will ensure the surface is optimally clean for painting and will help the paint adhere better.
It is important to note that while sanding improves paint adhesion, it is not sufficient on its own to ensure the paint will stick. You will also need to use a good primer designed for use on plastic to ensure a durable paint job.
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Treat the plastic
As plastic is smooth and non-porous, most paints won't adhere to it. To treat the plastic, you can sand it down or treat it with a spray can bonding primer. You could also try a mould spray that contains bleach or chlorine, or a graffiti remover like Krud Kutter or Goof Off. Another option is to use a thick toilet bowl cleaner or a mixture of vinegar and baking soda, as suggested by one user whose tub had survived a fire. If you are looking for a quick fix, outdoor paint can be used on a tub surround, and it will last for a few years.
If you are set on painting your plastic tub surround, you will need to prepare the surface by cleaning it with a strong cleaner. You can use a product like Krud Kutter or Goof Off, or a mixture of vinegar and baking soda. This will help to remove any built-up soap scum, hard water deposits, or other grime. Once the surface is clean, you will need to roughen it up to help the paint adhere. You can do this by sanding the plastic or using a chemical bonding agent. If you choose to sand, make sure to use a fine-grit sandpaper and sand in the direction of the grain. Wipe away any dust with a damp cloth before moving on to the next step.
If you are using a bonding primer, make sure to follow the manufacturer's instructions for application. You may need to apply multiple coats, especially if you are covering a large area. Once the primer is dry, you can apply your chosen paint colour. A semi-gloss paint is a good option for a tub surround, as it will be durable and easy to clean. Again, you may need to apply multiple coats to get an even finish.
Finally, once the paint is dry, you may want to consider sealing it with a clear coat to protect it from moisture and wear. This will help your new paint job last longer and make it easier to clean. Be sure to follow the manufacturer's instructions for application and drying time.
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Apply a sealer
To seal a plastic tub surround, you will need to first identify the source of the leak. In most cases, this will be a gap between the tub and the wall, which will need to be filled with an adhesive sealer.
Firstly, clean the area thoroughly and ensure it is completely dry. Then, apply a waterproof adhesive sealer, such as the Seal-A-Crack Tub Surround sealer from Home Depot, around the bathtub. This will get rid of any dark residues that may have built up. This product comes in 3.8cm x 3.35m strips and can be placed directly over old caulking. It includes plastic corners and finishing caps to help integrate it seamlessly into the wall panel assembly.
If there is a large gap between the tub and the wall, you may need to use a foam pistol to inject expanding foam into the gap. This will prevent the tub surround from moving and tearing at the joints. To do this, attach a thin-walled piece of plastic pipe, such as a straw, to the end of the spray foam nozzle and inject the foam into the crack from the inside. Be careful not to spray too much, as this can push the surround away from the wall.
Once the foam has been applied and has dried, you can then use silicone caulk to seal the joint. Apply a large bead of silicone, giving it a slope so that water runs back into the tub instead of pooling on the edge.
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Use a tub and tile paint kit
Painting a plastic tub surround can be a challenging task due to the smooth and non-porous nature of plastic, which makes it difficult for paint to adhere. However, with the right tools and techniques, it is possible to achieve a successful paint job. One recommended method is to use a tub and tile paint kit, such as the Rustoleum Tub and Tile Kit, which can be found at Home Depot for around $60 a quart. This option does not require the use of a primer, according to the manufacturer, but it is always a good idea to consult their customer care line if you have any concerns or questions.
Before you begin painting, it is important to thoroughly clean the tub surround to ensure that the paint will adhere properly. A mixture of bleach and water, followed by a rinse, is recommended. You may also need to remove any existing caulk, as it may not mix well with the new paint and cause issues. Additionally, consider the timing of your project, taking into account weather conditions and your availability, as you will need ample time for the paint to dry and cure.
When using the tub and tile paint kit, be sure to follow the instructions on the package for mixing and application. In general, it is recommended to apply two coats of paint, with the option for a third coat if needed. The paint should be mixed thoroughly and allowed to sit for a while before application, as it tends to start off runny and thicken as it sits. When brushing the paint, work in sections and brush in one direction only, as the paint can become tacky and may not stick to itself if brushed in multiple directions.
It is also important to maintain even pressure when applying the paint, especially on the second, third, and fourth coats if they are necessary. The epoxy paint is self-leveling, so you will get a feel for it as you work. Be sure to wear a respirator and safety goggles during the painting process, as the fumes can be strong. Once you have finished painting, remove any tape used to protect surrounding areas, reinstall plumbing hardware, and recaulk the tub if needed.
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Frequently asked questions
Outdoor paint works well on a plastic tub surround. You can also use a tub and tile paint kit, which costs around $60 a quart and will need two coats.
Because plastic is smooth and non-porous, most paints won’t adhere to it. The plastic will need to be sanded or treated in some other way to accept a new finish/paint. You might need to have this done professionally.
You will also need to use a sealer over the new finish.
Yes, you could try a mould spray that contains bleach or chlorine. If you do this, try a small spot first and leave it for 24 hours. You could also try graffiti remover or a marker, pen, and ink remover.
