
Adding a freestanding tub to your shower is a great way to create a luxurious spa-like experience in your bathroom. While it is possible to install a freestanding tub in a shower pan, there are several factors to consider, such as plumbing, drainage, and the size of your shower. The key to a successful installation is to ensure that water is contained within the shower area and drained efficiently to prevent flooding. This can be achieved through various design choices, such as shower curtains, glass doors, or specific types of bathtubs. Let's explore the options available to create a functional and aesthetically pleasing bathroom.
| Characteristics | Values |
|---|---|
| Possibility | Yes, it is possible to place a shower over a freestanding bathtub. |
| Installation | Two options are available: installing the shower head and valve on a wall or installing the shower and a separate fixture to the freestanding bath itself. |
| Plumbing | A plumber would likely have to install a separate drain and plumbing for the freestanding bath. |
| Space | A freestanding tub can be installed in a small space, and it can be placed in a nook, corner, or between two vanities. |
| Aesthetics | A glass shower door can be used to maintain a streamlined look, and a shower curtain can be added to prevent water from escaping. |
| Drainage | The floor must be sloped to ensure proper drainage, and a larger drain may be required. |
| Water Flow | Showers typically have a lower flow rate than bathtubs, resulting in a longer wait to fill the tub. |
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What You'll Learn

Plumbing and drainage
Installing a freestanding tub in a shower pan is possible, but it requires careful consideration of plumbing and drainage. Here are some key factors to keep in mind:
Firstly, assess the bathroom's layout and determine the best placement for the shower fixtures. If the tub is to be placed in the middle of the room or away from walls, the installation process becomes more complex. In such cases, consider installing the showerhead and valve on an adjacent wall, which is a common approach. Alternatively, you can install the shower and its fixture directly on the freestanding tub, which involves adding a shower riser, support rod, curtain ring, and showerhead.
Secondly, ensure that the existing plumbing can accommodate the new fixtures and drainage requirements. The shower will need a sufficient water supply and proper drainage to handle the increased water flow. A key consideration is the alignment of the tub drain and the original shower drain. They must be exactly lined up to prevent drainage issues and potential flooding.
Thirdly, the type of tub and its placement are crucial. Flat-bottomed freestanding tubs are designed for both showering and bathing. When installing such a tub, consider the drain location. If the tub is placed directly atop the drain hole in the floor, ensure that the floor is properly waterproofed to prevent flooding. Alternatively, you can install a separate drain for the tub, with plumbing that drains water directly from the wet room, rather than onto the wet room floor.
Lastly, consider the shower design and drainage strategy. Curbless showers are popular, but they require careful engineering to ensure proper drainage. A small slope or curb around the shower area can help direct water towards the drain and prevent water from running towards supplies and plumbing penetrations. Wall-mounted faucets are recommended, and if using floor-mounted faucets, place them away from the shower area.
While it is possible to install a freestanding tub in a shower pan, seeking professional plumbing advice is essential to ensure proper plumbing connections, drainage, and waterproofing.
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Design and layout
Combining a walk-in shower with a freestanding bathtub is a great way to have the best of both worlds. This design is also known as a "tub-shower combo" and is a good option for those who want to conserve space in smaller bathrooms.
When designing a wet room, it is important to consider the placement of the tub and the shower. The tub should be placed away from the entry opening and showerheads to prevent water splashing out. It should also be placed strategically so it doesn't obstruct access. If your bathroom features a long and narrow footprint, you may be able to fit a double vanity next to your bathtub and shower. Building a small half wall next to your shower will allow you to position your vanity right next to it.
The shower drain is a pivotal point as it connects with your home's plumbing, so where it sits impacts the type of shower pan you can invest in. If the layout needs altering, it is recommended to hire a professional. The shower pan is a waterproof floor covering commonly made from acrylic, fiberglass, or tile. It has a gentle slope, allowing water to flow toward the drain. The shower pan should be placed on a level surface, and the space should be cleaned and free of standing water before installation to prevent mildew and mould.
To create a cohesive look, you can use transitional design elements such as matching hardware, tiles, and lighting fixtures. For a period home, a clawfoot tub will complement the historic aesthetic. A shorter tub can also save space. For a modern look, consider a mix of glass and premium natural stone like marble or quartz for a half wall shower.
Overall, when designing a wet room with a freestanding tub and shower, it is important to consider the space, plumbing, and aesthetics to create a functional and stylish bathroom.
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Installation process
It is possible to install a freestanding tub in a shower pan, but there are several factors to consider during the installation process. Firstly, ensure that the shower is large enough to accommodate the tub. Measure the space accurately to determine if a tub will fit, considering factors such as the tub's size, shape, and whether it will be placed against a wall or in the middle of the room. The placement will impact the plumbing and installation process.
Before installing the tub, it is crucial to address the drainage system. The tub drain and the original shower drain must line up exactly to prevent drainage and potential flooding issues. Additionally, consider the shower's flow rate and whether it can fill the tub efficiently. Showers typically have a lower flow rate than bathtub faucets, resulting in a longer wait to fill the tub.
When installing a shower over a freestanding tub, you have two main options. The first option is to install the showerhead and valve on a wall, which is a common method. The second option is to install the shower and a separate fixture directly on the freestanding tub. This involves adding a shower riser, support rod, curtain ring, and showerhead. While this option offers a longer process, it is still relatively easy to achieve. Consider using a shower curtain or screen with the freestanding bathtub to enhance privacy and contain water spray.
To install a shower pan, begin by cleaning the bathroom floor and shower walls, ensuring they are free of debris and standing water to prevent mildew and mould growth. Measure the space accurately to purchase the right size pan, considering both length and width. Once you have the appropriate shower pan, ensure the floor is level and supported to prevent leaks and prolong the lifespan of the pan. Follow the manufacturer's instructions for attaching the pan to the flange and wall studs using the provided clips, screws, or adhesive.
Finally, install the drain flange by inserting it into the pan, ensuring it is flush, and then sealing it with plumber's putty. Screw the flange onto the pan and finish attaching the drain body according to the instructions in your drain-fitting kit. If your shower pan has feet, use composite shims to level it, or check for unexpected slopes in the flooring if it does not have feet. Test the drain by pouring water into the pan to ensure proper drainage and no leaks.
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Safety considerations
Safety is paramount when installing a freestanding tub in a shower pan. Here are some critical safety considerations to keep in mind:
Plumbing and Drainage
One of the most important safety considerations is proper plumbing and drainage. Before starting any installation, ensure the water supply to the bathroom is turned off at the main valve or well pump. Open the taps to drain the remaining water in the lines. Evaluate your bathroom's layout to determine the best placement for the shower fixtures and drainage.
If you have slab construction, adding a new drain may require breaking up the tile and foundation, which can be a complex process. Ensure that the tub drain and the shower drain are lined up exactly to prevent drainage issues and potential flooding. Consider the slope of the shower floor and whether it can handle the volume of water draining from the tub.
Water Temperature and Flow
The water temperature and flow rate are important safety factors. Using the shower to fill the tub will result in colder water, which may not be ideal for a relaxing bath. The average shower flow rate is around 2 gallons per minute (GPM) due to government regulations, while a bathtub faucet can output 2-3 times that amount, resulting in a longer wait for the tub to fill.
Slip Hazards and Accessibility
Freestanding tubs, especially those with legs, can be difficult to get in and out of, posing a trip hazard. This is a critical consideration for individuals with disabilities or mobility issues. Additionally, water splashing out from the tub can make the floor slippery, so ensure the surrounding area is dry when the shower is in use.
Structural Integrity and Floor Reinforcement
The weight of a freestanding tub filled with water can be considerable, so ensure your bathroom floor can bear the load. In some cases, floor reinforcement may be necessary, which can increase the project's cost.
Professional Installation
While adding a freestanding tub to a shower pan is possible, it is not a simple task and may require professional help. A licensed contractor or plumber can ensure the installation is done correctly, saving you from potential issues and costly repairs in the future.
Overall, while installing a freestanding tub in a shower pan can be done, there are several safety considerations to keep in mind to ensure a successful and secure installation.
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Cost and budget
The cost of installing a shower over a freestanding tub varies depending on several factors, including the size, type of materials used, and labour costs.
If you plan to hire a professional, the cost of installing a shower pan can range from $530 for a small, basic pan to $4,600 for a large, custom pan. The type of material you choose will significantly impact the overall cost. Fiberglass pans are the most affordable option, starting at $150, while tiled shower pans can reach $3,500. Acrylic pans, which offer corrosion, scratch, and scuff resistance, range from $200 to $620. Natural stone pans, which offer a luxurious aesthetic, can cost anywhere from $200 to $950.
To save on installation costs, you may consider bundling projects together and hiring a single contractor to handle all the tasks. You can also choose affordable materials, such as fiberglass or acrylic, and handle part of the project yourself, such as removing the old pan and preparing the subfloor.
Additionally, consider the cost of other necessary components, such as a shower drain assembly ($50–$70), plumber's putty ($3–$6), and mortar ($10–$20). If you plan to install a shower door, expect to pay between $600 and $1,350 for parts and labour.
If you opt for a DIY installation, the cost can be significantly lower, ranging from $220 to $520 for a fiberglass shower pan, excluding labour costs. However, it's important to consider the heavy labour involved in a DIY project, especially if you choose heavier materials like cast iron or stone.
Overall, the cost of installing a shower over a freestanding tub can vary widely depending on your choices and location, so it's essential to research and plan your budget accordingly.
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Frequently asked questions
Yes, it is possible to install a freestanding tub in a shower pan. However, it may not be easy to achieve, and you may need to consult a professional plumber to discuss whether it is possible with your specific wet room.
One design idea is to install a glass shower door to create an uninterrupted feel and keep light flowing throughout the space. Another idea is to use the same tile that lines your bathtub and shower area throughout your entire bathroom to make it look like one large wet room.
One thing to consider is the plumbing. Installing a freestanding tub in a wet room may not be ideal, as it may require additional plumbing and drainage solutions to prevent flooding. Another consideration is the size of the shower. A freestanding tub will require enough space in the shower for comfortable movement and functionality.




























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