Upgrade Your Bathroom: Step-by-Step Guide to Replace Bathtub with Standing Shower

Virginia Jul 01, 2026

Transforming your bathroom from a traditional soaking tub to a modern standing shower can significantly enhance your space, accessibility, and overall aesthetic. This comprehensive guide will walk you through the process of replacing your bathtub with a standing shower, ensuring a functional and stylish result.

Factors to Think About Before Converting Your Bathtub to Shower
Factors to Think About Before Converting Your Bathtub to Shower

Before we dive into the step-by-step process, it's essential to consider your bathroom's layout, plumbing, and personal needs. Standalone showers can be a luxurious addition, but they may not be suitable for every bathroom. Ensure that your space can accommodate a shower without compromising safety or comfort.

Ditch the Tub for a Shower
Ditch the Tub for a Shower

Planning and Preparation

Thorough planning is crucial for a successful bathtub to shower conversion. Begin by measuring your bathroom to determine the optimal shower size and location. Consider factors such as water supply, drainage, and ventilation to ensure your new shower functions efficiently and safely.

Tub to Shower Conversion Before and After in Rochester NY
Tub to Shower Conversion Before and After in Rochester NY

Next, choose the right shower type for your needs. Options include tiled showers, prefabricated shower pans, and shower bases. Each has its advantages, so select the one that best fits your budget, style, and practical requirements.

Assessing Plumbing and Water Supply

Converting A Bathtub To A Walk In Shower
Converting A Bathtub To A Walk In Shower

Evaluate your bathroom's existing plumbing to determine if it can support a shower. If your bathtub is currently connected to a three-quarter-inch water supply line, you may need to upgrade to a one-inch line for adequate water pressure in your shower.

Additionally, ensure that your bathroom's drain can handle the increased water volume. If necessary, consider installing a larger drain or a pump to facilitate proper water removal.

Gathering Tools and Materials

Tub to Walk-in Shower Conversion : Bathroom Makeover - Crafting Is My Therapy
Tub to Walk-in Shower Conversion : Bathroom Makeover - Crafting Is My Therapy

Before you begin the conversion process, gather all necessary tools and materials. You'll need items such as a pry bar, adjustable wrench, screwdriver, utility knife, trowel, and level, as well as any specific tools required for your chosen shower type.

Stock up on supplies like cement board, mortar, thinset, grout, and waterproofing membrane, depending on your chosen shower design. Don't forget to purchase a showerhead, faucet, and any decorative hardware you desire.

Removing the Bathtub

Tub to shower conversion problems – Innovate Building Solutions & Bath Doctor Cleveland - Innovate Building Solutions Blog - Home Remodeling, Design Ideas & Advice
Tub to shower conversion problems – Innovate Building Solutions & Bath Doctor Cleveland - Innovate Building Solutions Blog - Home Remodeling, Design Ideas & Advice

Safely removing your existing bathtub is the first step in the conversion process. Begin by turning off the water supply and draining the tub. Use an adjustable wrench to disconnect the water supply lines and remove the faucet and drain assembly.

Next, carefully pry the bathtub from its position, taking care not to damage the surrounding walls or floor. If the bathtub is securely fastened, you may need to cut it into smaller sections for easier removal. Once the bathtub is gone, clean the area and prepare it for the new shower installation.

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Preparing the Shower Base

If you've chosen a prefabricated shower base or a shower pan, install it according to the manufacturer's instructions. Ensure that the base is level and properly supported before proceeding with the rest of the installation.

For tiled showers, apply a waterproofing membrane to the shower area before installing the cement board. This crucial step helps prevent moisture from penetrating the walls and causing damage. Once the membrane and cement board are in place, allow them to dry completely before tiling.

Installing the Shower Walls and Floor

Begin tiling the shower walls, starting from the bottom and working your way up. Use a notched trowel to apply thinset mortar to the back of each tile, ensuring proper adhesion. Maintain a consistent spacing between tiles using tile spacers, and keep the surface level as you work.

Once the walls are tiled, allow the mortar to cure according to the manufacturer's instructions. Then, apply grout between the tiles, using a rubber float to force the grout into the joints. Wipe away excess grout with a damp sponge, and allow the grout to cure before using the shower.

Installing the Showerhead and Faucet

With the shower walls and floor complete, it's time to install the plumbing fixtures. Begin by connecting the new water supply lines to the existing plumbing. Use an adjustable wrench to secure the connections, and ensure that they are tight and free of leaks.

Install the showerhead and faucet according to the manufacturer's instructions. For a seamless, professional look, consider hiring a licensed plumber to handle this step. Once the fixtures are in place, test the shower to ensure proper water pressure and drainage.

Finishing Touches

Add the final decorative elements to your new shower, such as a shower door, curtain, or glass enclosure. These features not only enhance the appearance of your shower but also provide privacy and safety.

Don't forget to address any necessary ventilation in your bathroom. Install a fan or exhaust system to remove excess moisture and prevent mold growth. A well-ventilated bathroom ensures a comfortable and healthy environment for you and your family.

Congratulations on transforming your bathroom into a modern, functional space with your new standing shower! Enjoy your updated space and the peace of mind that comes with knowing you've made a valuable investment in your home. If you're unsure about any aspect of the process, don't hesitate to consult a professional for guidance and support.