
Plastic shower floors are prone to scratches and can easily grow mould and mildew. To cover a plastic shower floor, you can refinish it using a refinishing kit. This involves patching holes or cracks in the shower pan and then applying a coat of paint. You can also use heavy-duty plastic sheeting to cover the floor. It is important to note that the type of paint used for plastic shower pans is different from that used for wood or metal. Additionally, you can use products like Lysol Multi-Purpose Cleaner, ECOS Shower Cleaner, Clorox Bleach Gel, Tilex Mold and Mildew Remover, or a baking soda-vinegar solution to clean plastic shower floors and keep them free from mould and mildew.
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What You'll Learn

Use heavy-duty plastic sheeting to cover the floor
If you're looking for a way to cover your plastic shower floor, one option is to use heavy-duty plastic sheeting. This method can be useful if you're placing a shower basin or pan on a wooden floor. The plastic sheeting will protect the wood from moisture and water in the mortar before it dries.
To use this method, start by covering the wood with the plastic sheeting. Make sure the plastic is large enough to cover the entire area where the mortar will be poured. You can also use a plastic painter's drop cloth if you have one available, as suggested by a user on Reddit.
Once the plastic is in place, pour the mortar on top of it and set your shower base into the mortar, ensuring it is level. You can then drill into the studs to secure the shower base in place. This process will help protect your wooden floor from moisture damage and make it easier to remove the mortar in the future if needed.
It's important to note that the plastic sheeting is only there to keep the moisture from the wet mortar from seeping into the wood. It won't necessarily protect against water leaks from the shower itself. For that, you might need additional waterproofing measures, such as a shower pan liner or a different type of cover.
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Seal the floor with tar paper
Tar paper is a common way to protect your shower floor from water damage. It is usually stapled to the wood subfloor to create a seal and prevent moisture from seeping into the wood. Here is a step-by-step guide to sealing your shower floor with tar paper:
First, cover the wood subfloor with tar paper. Tar paper is available at most hardware stores, but it usually comes in large rolls, so you may need to buy more than you need. Make sure the tar paper is smooth and secure, with no bumps or air pockets. You can use a heavy-duty staple gun to attach it to the wood.
Next, you will need to install a shower basin or pan. Pour mortar over the tar paper, ensuring it is level, and set the shower base into the mortar. Drill into studs to secure the shower base in place.
Once the mortar has dried, you can further protect your shower floor by installing tile board and a Durock tile membrane. This will provide extra protection against leaks and moisture.
Finally, seal the seams of your tar paper with roofing tar. This will ensure that your shower floor is fully protected from water damage.
Remember, while tar paper is an effective way to protect your shower floor, it is primarily used to prevent moisture from seeping into the wood subfloor while the mortar is drying. It will not necessarily protect your shower from leaks, as water can pool on the tar paper and run off the edges. For this reason, it is important to install additional waterproofing measures, such as tile board and a tile membrane.
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Use a refinishing kit to improve the look of the floor
Plastic shower floors are prone to scratches and can easily grow mould and mildew, which can make your bathroom look dull. To improve the look of your plastic shower floor, you can use a refinishing kit.
Firstly, you need to prepare the surface by removing any caulking on the curb, sides, or floor of the shower base with a razor blade. Next, mix trisodium phosphate (TSP) with warm water and wash the shower base thoroughly, rinsing well afterwards. The TSP may come with your refinishing kit, but if not, you will need to purchase it separately. Be sure to wear rubber gloves as it is caustic.
If there are any large cracks or holes, you will need to patch these. Drill a series of holes around the damaged area and spray high-density foam into each hole until it overflows. Once the foam is set, cut it flush with a knife and make a small indentation to allow room for epoxy resin. For smaller holes, use a fiberglass resin repair kit, scuffing the area with sandpaper before applying the filler and hardener that comes in the kit.
Now you are ready to start refinishing the floor. Cover the floor in front of the shower base and the shower walls directly above with masking tape and paper. Scuff the entire shower base with sandpaper to dull the finish. If your refinishing kit comes with primer, apply it with an abrasive cloth or kitchen scrubbie. Once the primer is dry, mix the paint with the hardener, following the manufacturer's instructions. Add a non-slip texture to the mixture if desired. Finally, you can paint the shower base.
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Clean the floor with a baking soda and vinegar solution
Plastic shower floors are prone to scratches and can easily grow mould and mildew. To prevent this, it is important to clean your shower floor regularly. A baking soda and vinegar solution is an effective way to clean your plastic shower floor.
First, mix one cup of baking soda with one cup of white vinegar. You can also add a cup of hydrogen peroxide to this mixture for light-coloured plastic shower floors. Apply this mixture generously across the shower floor, focusing on stained areas.
Alternatively, you can first sprinkle baking soda on the wet shower floor and let it sit for a while. Then, spray the surface with a mixture of equal parts vinegar and water. You may need to scrub the surface a little to remove stubborn stains.
For a quicker clean, fill a spray bottle with a baking soda-vinegar solution and spritz the shower floor. Leave it to dry and then wipe away the stains.
You can also use a baking soda and water paste to clean your plastic shower floor. Scrub the paste into the floor with a toothbrush and then rinse well.
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Use a bleach gel to remove discoloured spots
Plastic shower floors are prone to scratches and can easily grow mould and mildew. They can also develop discoloured spots. To cover plastic shower floors, you can use a refinishing kit, or a bleach gel to remove discoloured spots.
One of the most common issues with plastic shower floors is the development of discoloured spots. To tackle this, you can use a bleach gel such as Clorox Bleach Gel. This product is specifically designed to tackle discoloured spots on white or undyed plastic shower floors. Its thick consistency ensures that the solution stays on the surface of the floor instead of running off into the drains.
Before using any cleaning products, it is important to wear protective equipment, such as rubber gloves and a mask. Keep the bathroom well-ventilated and ensure that it is unoccupied during cleaning.
To use Clorox Bleach Gel, follow these steps:
- Apply the gel generously to the discoloured spots on the shower floor.
- Allow the gel to sit for at least 20 minutes.
- Use a scrub brush or a plastic scrubber to gently scrub the area.
- Rinse the area with water to remove any residue.
You can also try an alternative method by mixing bleach with vinegar. Microwave some vinegar and pour it into a spray bottle. Add detergent and gently shake the bottle to combine the ingredients. Spray the solution onto the shower floor and let it sit for a couple of hours. Then, scrub and rinse the area.
By following these steps, you can effectively remove discoloured spots from your plastic shower floor and restore its original appearance.
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Frequently asked questions
The best way to cover a plastic shower floor is to refinish it using a refinishing kit. This may involve patching holes or cracks in the shower pan with a repair kit.
The process of refinishing a plastic shower floor involves cleaning the surface, lightly scraping the shower base with a sharp razor to remove soap scum, and then mixing trisodium phosphate (TSP) with warm water to wash the shower base. After rinsing and drying the base, you can apply a refinishing kit, which usually includes paint and a hardener.
Some popular refinishing kits include the Rust-Oleum tub and tile refinish kit, the Homax tub and tile refinishing kit, and the Devcon epoxy bathtub repair kit.
An alternative method to cover a plastic shower floor without refinishing it is to use a shower pan liner, which can be custom-cut at some home centres. Another option is to use heavy-duty plastic sheeting to cover the floor.
To maintain and clean a plastic shower floor, you can use commercial cleaning solutions such as Lysol Multi-Purpose Cleaner, ECOS Shower Cleaner, Clorox Bleach Gel, or Tilex Mold and Mildew Remover. Natural solutions such as white vinegar, baking soda, and dish soap can also be effective.











































