Alexei Volkov
Plastic showers can be resurfaced, refinished, or reglazed, and doing so is a great way to save money on bathroom renovations. While it is possible to do this yourself, it can be a tricky process, and it may be best to hire a professional. The first step is to thoroughly clean the surface, removing all soap scum and dirt. Then, you will need to repair any cracks or holes, before sanding down the surface. Once the surface is smooth, you can apply a primer and then one or two coats of epoxy paint.
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What You'll Learn
Prepare the surface
Preparing the surface of a plastic shower for refinishing is a crucial step in the resurfacing process. Here is a detailed guide on how to do it:
Firstly, ensure the shower is masked off from the floor and the rest of the shower stall. Cover the showerhead with a plastic bag to prevent water from dripping onto the surface. You can also cover the faucets with plastic bags, securing them with rubber bands. This will ensure that no water comes into contact with the surface during the process.
Next, you need to thoroughly clean the shower. Use strong degreasers and potent cleaners to remove mould, mildew, water scale, soap scum, and any other substances that have built up over time. You can use common household cleaners like Comet or Ajax, or a product like Hard Water Stain Remover by Bio Clean, to remove stubborn soap scum and buildup. After cleaning, use a razor blade or a sharp razor scraper to remove any remaining caked-on soap scum or dirt residue. Remember to rub down the surface with a damp paper towel to collect the shavings, and then wipe it down with a tack cloth as the final cleaning step.
Once the surface is completely clean, remove any old caulking. Use a razor blade, flathead screwdriver, metal paint scraper, or putty knife to carefully cut away the caulking around the edges of the wall panels and shower curb, sides, or floor.
After the surface is clean and free of caulking, it's time to sand it down. Use 220-grit or 300-grit sandpaper to sand the surface thoroughly, creating an even and smooth surface for painting. If you are repairing cracks, use 220-grit wet/dry sandpaper to scuff the area around the crack before filling it. After sanding, use a vacuum to collect all the dust, and then wipe down the walls with a damp cloth to remove any remaining dust particles.
Finally, apply low-stick painter's tape to areas that will not be refinished, such as the caulk and surrounding areas. This will protect these areas from the epoxy paint. If the caulk is in poor condition, consider removing and replacing it after the refinishing process.
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Clean the shower
Before you begin resurfacing your plastic shower, it is important to clean it thoroughly. This will ensure that the new surface adheres properly and lasts longer. Here is a step-by-step guide to cleaning your shower:
Step 1: Prepare the Area
Start by covering the tub and shower faucets with plastic bags, securing them with rubber bands. This will prevent water from dripping onto the surfaces you will be working on.
Step 2: Initial Cleaning
Use strong degreasers and potent cleaners to remove mould, mildew, water scale, grease, soap scum, and other substances that may have built up over time. You can use common household cleaners like Comet or Ajax, or a product specifically designed to remove hard water stains, such as Bio Clean's Hard Water Stain Remover. Make sure to remove any stubborn soap scum or buildup using abrasive cleansers, and then use a razor blade to remove any remaining soap and dirt residue.
Step 3: Remove Caulking
Use a razor blade, flathead screwdriver, or metal paint scraper to remove any cracked or damaged caulking along the edges or in areas that need repair. Thrift Diving recommends lightly scraping the shower base with a sharp razor scraper to remove layers of caked-on soap scum, being careful to avoid any textured portions.
Step 4: Mix Cleaning Solution
Once the initial cleaning and caulking removal are complete, mix a cleaning solution to thoroughly wash the shower. Mix 1/2 cup of trisodium phosphate (TSP) with a gallon of warm water.
Step 5: Wash and Rinse
Using the TSP solution, wash the shower base thoroughly, making sure to rinse well afterward.
Step 6: Dry and Wipe Down
Allow the shower to dry thoroughly. You can use a heat gun to accelerate the drying process. Once dry, wipe down the surface with paper towels, followed by a tack cloth as the final cleaning step.
Step 7: Sanding
If your shower has tiles, you will need to sand the surfaces to create a matte finish for the paint to adhere to. Use 220 or 300-grit sandpaper for this step. Sand all the surfaces, paying particular attention to rounded edges where the tile meets the grout. Once sanding is complete, use a vacuum to remove all the dust and give the walls a good rub down with a damp cloth to remove any remaining dust particles.
Now that your shower is thoroughly cleaned, you can begin the resurfacing process. Remember to always work in a well-ventilated area and wear the appropriate safety gear, such as a respirator and gloves, when working with chemicals and paint.
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Repair cracks and holes
Repairing cracks and holes in a plastic shower is a relatively straightforward process, and can be done using a two-component epoxy repair kit. These kits are available for a variety of materials, including porcelain, enamel, ceramic, acrylic, and fiberglass.
Before beginning the repair, it is important to clean the area around the crack or hole thoroughly. This can be done using a rag and isopropyl alcohol or an abrasive cleaner. Once the area is clean, it should be sanded down to ensure the patching compound will take hold. Be careful not to sand outside the area to be patched, as this could damage the surface of the shower.
Next, mix the epoxy paste from the repair kit with the hardener, following the instructions provided. Use a putty knife to carefully trowel the paste into the crack or hole, removing any excess material as you go. Allow the paste to set, and then sand it flat with 400-grit sandpaper, which is typically included in the kit.
For larger cracks, it may be necessary to drill a series of holes around the crack and inject spray foam or grout to provide support. This can be done using a manual cement caulking pump. Once the material has set, the crack can be patched using the repair kit.
Finally, restore the surface sheen by applying a small amount of automobile wax and buffing with a cloth.
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Prime and paint
Before you start priming and painting your plastic shower, it's important to prepare the surface. First, give the entire unit a deep clean using your usual bathroom cleaner and an abrasive sponge. Then, sand the shower with fine sandpaper (120-grit or 220-grit). Sanding will rough up the surface, giving the primer something to grip onto. Wipe away any dust and ensure the shower is completely dry before proceeding.
Next, you'll want to tape off the edges of your shower and cover any metal parts to protect them from primer and paint. If your shower kit includes a primer, follow the manufacturer's instructions for application. Most primers are clear liquids that you can apply with an abrasive cloth or a kitchen scrubbie. Remember to wear a respirator and keep the area well-ventilated while working with primer and paint.
Once the primer is dry, it's time to mix your paint. Two-part epoxy paint is a popular choice for refinishing showers, as it is highly durable and permanent. Pour the specified amount of hardener into your paint and stir well. You can also add a non-slip texture to the mixture if desired. If you plan on applying two coats of paint, transfer half of the mixture to another container before adding the hardener.
Now you're ready to start painting! Apply the paint with the applicator supplied in your kit, or use a foam brush or roller. Allow adequate drying time according to the manufacturer's instructions, then apply a second coat if necessary.
Finally, you can finish with a layer of acrylic top coat to seal in your paint and add extra shine.
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Maintain the finish
Maintaining the finish on a plastic shower is important to keep it looking new and to prevent damage. Here are some detailed tips to help you maintain the finish of your resurfaced plastic shower:
Firstly, always ensure that you wipe down your shower after use to avoid water sitting on the surface and to prevent scum buildup. While it may not always be practical, this simple practice can go a long way in preserving the finish of your shower. When cleaning, avoid using harsh cleaners or scrubbing powders as they can damage the shine and surface of your shower. Instead, opt for liquid cleaners that are less abrasive, such as natural cleaning products. A mixture of baking soda and water, vinegar and water, or lemon juice and water is perfect for cleaning epoxy-painted showers. Always use a mild, non-abrasive cleaner designed for plastic or fibreglass surfaces.
Secondly, if you notice any stains or soap scum buildup, address them promptly. Stains on plastic showers can be caused by soap scum, mildew, or mould growth, and they can be difficult to remove. Try using special cleaners or scrub brushes designed for stain removal. If stains prove too difficult to remove, you may need to lightly sand the affected area and then wipe it down with a damp cloth. Remember to use fine sandpaper and always sand in the same direction as the scratches you made during the resurfacing process. After sanding, be sure to remove all the dust with a vacuum and a damp cloth before applying any new coats of paint or epoxy.
Thirdly, keep an eye out for any cracks, chips, or peeling in the shower walls. Minor damage can often be repaired with a patch kit from your local hardware store. These kits typically provide simple instructions and include everything you need to make a seamless repair. However, for larger cracks or chips, you may need to replace the entire panel. If you're unsure, it's always best to consult a professional for advice and guidance.
Finally, if you notice any caulking issues, such as cracked or peeling caulk, address them promptly. Remove the old caulk with a razor blade, flathead screwdriver, or metal paint scraper, and then clean the area thoroughly. Once dry, apply new caulk carefully, ensuring a smooth and even application.
By following these maintenance tips, you can help preserve the finish of your resurfaced plastic shower, keeping it looking new for longer.
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Frequently asked questions
First, you need to thoroughly clean the surface of your plastic shower to remove any soap scum, mildew, or mould. You can use a razor blade or a strong degreaser for this step. Next, you need to sand down the surface, making sure it is smooth and even. If there are any cracks or holes, you can use a repair kit to patch them up. Once the surface is prepared, you can start painting. Make sure to use epoxy paint specifically formulated for plastic showers. You can find these in most hardware stores or online.
The cost of resurfacing a plastic shower depends on various factors, such as the size of the shower, the condition of the surface, and whether any repairs are needed. On average, resurfacing a standard-sized shower can range from $400 to $700. If you need to repair any damage, such as cracks or chips, it can cost an additional $100 to $350.
Yes, it is possible to resurface a plastic shower yourself using a DIY kit. However, it is important to follow the instructions carefully and take the necessary safety precautions, such as wearing a respirator mask and gloves. If you are uncomfortable making the repairs yourself or if the damage is extensive, it is best to consult a professional.
