Step-by-Step Guide: How to Install a Small Shower Stall

Virginia Jul 01, 2026

Installing a small shower stall can be a rewarding DIY project that not only enhances your bathroom's functionality but also adds value to your home. With the right tools and a step-by-step approach, you can achieve a professional-looking result. Let's dive into the process, ensuring it's both beginner-friendly and SEO-optimized.

The Easier Way to Build a DIY Walk in Shower
The Easier Way to Build a DIY Walk in Shower

Before we begin, ensure you have the necessary tools and materials. You'll need a small shower stall kit, which includes the stall itself, a drain, and hardware. Additionally, gather tools like a drill, screwdriver, adjustable wrench, level, tape measure, and safety gear such as gloves and safety glasses.

How to Install a Shower Base
How to Install a Shower Base

Preparation and Planning

Before you start, it's crucial to plan and prepare your workspace. Clear the area where the shower stall will be installed, ensuring there's enough space to work comfortably. Also, turn off the water supply to the existing plumbing and drain any remaining water.

how to install a small shower stall
how to install a small shower stall

Measure the space where the shower stall will go. Most small shower stalls are designed to fit standard spaces, but it's essential to ensure a perfect fit. If necessary, adjust the stall's dimensions by trimming the base or walls with a utility knife or saw.

Assessing Your Plumbing

Primary Bathroom Makeover: How We Built a Luxurious DIY Shower from Scratch -
Primary Bathroom Makeover: How We Built a Luxurious DIY Shower from Scratch -

Inspect your existing plumbing to ensure it's in good condition and compatible with the new shower stall. If you're unsure, consult a professional plumber. You'll need to connect the new drain to the existing drain pipe and ensure the water supply lines match the stall's requirements.

If your plumbing isn't up to par, you may need to replace or repair it before installing the shower stall. This could involve re-routing pipes, installing new supply lines, or replacing old fixtures. Always prioritize safety and consult a professional if needed.

Gathering Tools and Materials

How To Build A Shower
How To Build A Shower

Based on your assessment, gather all the necessary tools and materials. This may include new plumbing parts, sealants, caulk, screws, and hardware. Ensure you have the correct size and type of materials for your specific shower stall kit and plumbing setup.

Don't forget to consider any additional materials you might need, such as a shower pan, door, or wall surround. These can enhance the functionality and aesthetics of your new shower stall. Always follow the manufacturer's instructions for the best results.

Installing the Shower Stall

How to Install an Enclosed Shower | dummies
How to Install an Enclosed Shower | dummies

Now that you've prepared your workspace and gathered your materials, it's time to install the shower stall. Start by laying the base of the stall, ensuring it's level and properly aligned with the drain. Use shims if necessary to achieve a perfect level.

Secure the base to the floor using the provided hardware. Typically, this involves drilling pilot holes and screwing the base into place. Always follow the manufacturer's instructions for the correct screw length and placement.

112K views · 3.4K reactions | One step closer to finishing my dream shower! 🚿 Check out Parts 1-3 and save them to DIY your own curbless shower!  It’s not as hard as you’d think!  # | Theresa Vanderstar | DIY & Cabinetry Builds
112K views · 3.4K reactions | One step closer to finishing my dream shower! 🚿 Check out Parts 1-3 and save them to DIY your own curbless shower! It’s not as hard as you’d think! # | Theresa Vanderstar | DIY & Cabinetry Builds
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How to Install a Shower Base
How to Install a Shower Base
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Attaching the Walls

Once the base is secure, attach the walls of the shower stall. Most small shower stalls have walls that connect to the base using a tongue-and-groove system. Align the walls with the base and press them firmly into place. You may need to use a rubber mallet to ensure a tight fit.

Secure the walls to the base using screws or other fasteners provided in the kit. Again, follow the manufacturer's instructions for the correct screw length and placement. Ensure the walls are level and plumb as you secure them. You may need to use shims to achieve a perfect fit.

Connecting the Plumbing

With the shower stall's structure in place, it's time to connect the plumbing. Connect the drain to the existing drain pipe, using a wrench to tighten the fitting securely. Ensure the connection is watertight by applying plumber's putty or a sealant as needed.

Connect the water supply lines to the shower stall's faucet and showerhead. Ensure the connections are secure and free of leaks. Turn on the water supply and check for any leaks. If necessary, tighten the connections or apply a sealant to prevent leaks.

Finishing Touches

With the plumbing connected, it's time to add the finishing touches to your new shower stall. Apply caulk around the base of the stall and any joints to create a watertight seal. Allow the caulk to dry according to the manufacturer's instructions.

Install the shower door or curtain, following the manufacturer's instructions. Ensure the door or curtain is secure and operates smoothly. Finally, clean up your workspace and dispose of any leftover materials responsibly.

Congratulations! You've successfully installed a small shower stall. Enjoy your new bathroom feature and the sense of accomplishment that comes with a DIY project well done. If you encounter any issues during the installation process, don't hesitate to consult a professional for assistance.