Ethan Clarke
Painting a plastic shower stall can be a tricky task, as paint often struggles to adhere to plastic. However, it is possible to achieve a smooth, professional finish by using the right tools and preparation techniques. The process involves thoroughly cleaning and sanding the plastic surface, applying a suitable primer, and then painting with an epoxy or spray paint designed for use on plastics. The type of paint used is critical, as it needs to be able to withstand the hot water and moisture of a shower environment without peeling or discolouring.
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What You'll Learn
Choosing the right paint
Painting a plastic shower stall can be challenging, and it is important to choose the right paint to achieve a satisfactory result. The paint needs to be able to adhere to the plastic surface and withstand the moisture and heat of the shower environment.
One option is to use a spray paint specifically designed for outdoor plastics, such as Krylon Fusion. This type of paint can provide good coverage and a smooth finish on plastic surfaces. However, it is important to note that spray paints may not be suitable for areas with poor ventilation, as the fumes can be overwhelming.
Another option is to use a bonding primer and a semi-gloss paint. The primer will help the paint adhere to the plastic surface, and the semi-gloss finish will provide a durable and sleek appearance. It is important to roughen the plastic surface with sandpaper before applying the primer to create a better bond.
For a more durable option, consider using a two-part epoxy paint. This type of paint is designed for shower and tile surfaces and provides a long-lasting and highly durable finish. Epoxy paint typically comes in a kit with a resin and a hardener/catalyst that are mixed together before application. It is important to work quickly once the epoxy paint is mixed, as it has a short working time.
When choosing a paint colour, it is recommended to select a light or neutral shade, as dark colours may fade or discolour over time due to the moisture and heat in the shower area.
Additionally, it is important to follow the manufacturer's instructions and take the necessary safety precautions when working with any type of paint, including proper ventilation and the use of respirators.
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Preparing the area
Painting a plastic shower stall can be a challenging task, but with the right preparation, you can achieve a smooth and durable finish. Here are the steps you need to take to prepare the area for painting:
Clean the Surface:
Start by thoroughly cleaning the plastic shower stall to remove any soap scum, dirt, or contaminants that may prevent the paint from adhering properly. Use a heavy-duty cleanser, such as trisodium phosphate, and scrub all surfaces with a sponge or cloth. Rinse the cleanser off with rags and allow the shower stall to dry completely.
Roughen the Surface:
To help the paint adhere better to the plastic surface, you need to create a rough texture. Use sandpaper, preferably 180-grit or 400-grit wet/dry sandpaper, to abrade the surface. A palm sander can also be used for larger areas. This process will help create a tooth-like texture that promotes better paint adhesion. Make sure to wipe away any sanding residue with a vacuum cleaner or clean cloth.
Protect the Surrounding Area:
Before you begin painting, it's essential to protect the surrounding area from paint splatters and overspray. Use painter's tape to cover any hardware, faucets, and portions of the walls or tub immediately next to the shower stall. This will ensure that only the desired surfaces are painted.
Ventilate the Area:
Painting can release strong fumes, so it's crucial to ventilate the area well. Open windows or use fans to pull fresh air into the space and direct the fumes outdoors. If possible, set up multiple fans to ensure adequate ventilation. This will not only help with the fumes but also prevent the buildup of mildew and mould due to poor air circulation.
Prepare the Paint:
Once the surface is prepared, it's time to mix your paint. For epoxy paint, you'll typically have two parts: Part A, which is the resin, and Part B, which is the hardener or catalyst. Follow the manufacturer's instructions for proper mixing, and use a clean bucket and a mixing bit on a power drill if possible. Make sure to wear protective gear, such as gloves and a respirator, during this process.
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Removing old paint
Before you start painting your plastic shower stall, it's important to remove any old paint, dirt, or debris. This will ensure that the new paint adheres properly and that your finished product looks smooth and professional. Here's a step-by-step guide to removing old paint from your plastic shower stall:
Prepare the Area:
Start by cleaning the shower stall to remove any soap scum or dirt buildup. You can use a heavy-duty trisodium phosphate cleanser for this step. Rinse the cleanser off with rags, and ensure that you thoroughly dry the surface afterward. This step is crucial as soap scum and dirt can prevent the new paint from adhering properly.
Protect Your Surroundings:
Cover any hardware in the shower, such as faucets or showerheads, with painter's tape. You may also want to mask off the floor and the rest of the shower stall to protect it from paint or debris.
Sand the Surface:
Lightly sand the surface of the shower stall to roughen it up and create a texture that will help the new paint adhere. You can use sandpaper or a palm sander for this step. Start with a lower grit sandpaper, such as 100-grit or 180-grit, and move up to a finer grit, such as 220-grit or 320-400 grit, for a smoother finish. This process will help create a uniform surface for the new paint to adhere to.
Remove Old Paint:
Use a sharp razor scraper to carefully remove any remaining layers of old paint, especially in caked-on or textured areas. Be careful not to scratch the underlying surface of the shower stall. You may also need to remove any caulking or sealant with the razor blade.
Final Cleaning:
Once you've removed the old paint, give the surface a final cleaning to ensure it is free of any dust or debris. You can use a mixture of trisodium phosphate (TSP) and warm water for this step, following the instructions on the TSP packaging. Rinse the surface thoroughly and allow it to dry completely before you begin painting.
Remember to wear protective gear, such as a respirator, gloves, and eye protection, during the removal process to safeguard your health and safety.
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Applying the primer
Painting a plastic shower stall can be a challenging task, but with the right preparation and products, you can achieve a smooth and durable finish. Once you have cleaned and sanded the surface, it's time to move on to the critical step of applying the primer. Here's a detailed guide to help you through the process:
Before you begin priming, ensure the shower area is well-ventilated by opening windows or using fans to maintain a steady airflow. This is crucial, as primers and paints emit strong fumes. It is recommended to wear a respirator for extra protection. Now, let's get started with the priming process:
Prepare the Primer:
Start by selecting a suitable primer for plastic surfaces. A bonding primer or a latex primer designed for shower stalls is ideal. Follow the manufacturer's instructions for mixing and preparing the primer. If you're using a spray primer, ensure you have enough cans to cover the entire surface evenly.
Protect Adjacent Areas:
Use painter's tape to cover any hardware, fixtures, or portions of the walls and tub immediately next to the shower stall. This will prevent accidental primer application on unwanted areas.
Prime One Wall at a Time:
Focus on priming one wall at a time. Using a roller, apply the primer evenly and smoothly to the prepared surface. Ensure you follow the manufacturer's instructions for the recommended application method and drying time.
Smoothen the Finish:
To promote a smooth and consistent finish, use a soft polyester paintbrush to lightly brush over the wet primer. Apply gentle pressure and work in a consistent direction. This technique will help remove any roller marks and create a uniform appearance.
Allow Drying:
Once you have finished priming one wall, let it dry completely according to the manufacturer's instructions. This typically takes around three hours, but drying times may vary depending on the product and environmental conditions.
Repeat the Process:
After the first wall is dry, move on to the next wall, following the same steps. Work on one wall at a time to ensure a consistent application and to avoid any overlaps or uneven drying.
Wash Your Tools:
Remember to clean your painting tools, such as rollers and brushes, after you have finished priming. This will prevent the primer from drying on your tools and ensure they are ready for the next step, which is applying the paint.
Remember, the key to a successful paint job on a plastic shower stall is taking your time with each step, especially the preparation and priming stages. By following these detailed instructions for applying the primer, you'll be one step closer to achieving a professional-looking and long-lasting finish.
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Painting the stall
Painting a plastic shower stall is not an easy task and requires a lot of preparation. The paint needs to be able to flex and bond with the plastic, and even then, it may not last long.
Firstly, ensure the room is well-ventilated as paint fumes can be toxic and overwhelming. Use fans to pull fresh air into the room and blow the fumes outdoors. If possible, open windows and wear a respirator.
Next, prepare the surface of the shower stall. Remove all hardware, metal drains, escutcheon plates, cover plates, and tub spouts. Use a utility knife or paint scraper to remove all caulk and clean the surfaces with isopropyl alcohol. Scrub the stall with a heavy-duty trisodium phosphate cleanser to remove soap scum, which prevents paint from adhering. Rinse and let the stall dry for at least three hours.
Once dry, sand the surface with 180-grit sandpaper to roughen it, creating a better surface for the primer to adhere to. Wipe away the sanding residue with a vacuum or cloth, and then use a tack cloth to remove any remaining dust.
Now, the shower stall is ready for painting. Use a roller to apply a coat of latex primer to one wall at a time. Smooth the primer with a polyester paintbrush, applying soft pressure. Once the primer is dry, apply appliance epoxy paint using a high-quality fine-bristle varnish brush or a 1/4-inch-nap roller.
Some people have found success with spray paint designed for outdoor plastic, such as Krylon Fusion, but be aware that it may not hold up well to scrubbing and could end up looking bad.
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Frequently asked questions
You should use epoxy paint, specifically two-part epoxy paint, which includes a resin and a hardener/catalyst. This type of paint sticks better and lasts longer than conventional bathroom paint.
First, remove all hardware and cover the portions of the walls and tub near the shower stall with painter's tape. Next, use a utility knife to remove all caulk, and clean the surfaces with isopropyl alcohol. Then, sand the entire surface to roughen it and help the paint bond. Finally, wipe down the surface with a tack cloth to ensure it is free of dust.
Epoxy paints emit strong fumes, so it is important to ventilate the area well by opening windows or using fans to pull fresh air into the space and vent the fumes outdoors. You may also need to use respirator gear to protect yourself from the fumes.
