Step-by-Step Guide: How to Install a Tile Walk-In Shower

Kelly Jul 01, 2026

Transforming your bathroom into a personal oasis starts with installing a tile walk-in shower. This not only adds value to your home but also creates a spa-like atmosphere. Let's guide you through the process, from planning to completion, ensuring your project is both functional and stylish.

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

Before you begin, consider the layout, size, and style of your shower. Measure your space accurately to determine the number and size of tiles needed. Also, choose a tile that complements your bathroom's aesthetic and is suitable for wet areas. Now, let's dive into the installation process.

Beginner's Guide to Tiling Shower Walls
Beginner's Guide to Tiling Shower Walls

Preparation and Planning

Preparation is key to a successful tile walk-in shower installation. Start by removing any existing flooring and ensuring the subfloor is clean, dry, and structurally sound. If necessary, install a cement backer board for added stability and moisture resistance.

BEGINNERS GUIDE | HOW TO TILE A SHOWER
BEGINNERS GUIDE | HOW TO TILE A SHOWER

Next, plan your layout. Consider using larger tiles for a more spacious feel, or create a pattern for visual interest. Mark out your layout on the floor using chalk or a pencil, allowing for half tiles at the edges.

Waterproofing the Shower Area

How to Build a Walk-In Shower (Part 1: Wedi Shower Pan)
How to Build a Walk-In Shower (Part 1: Wedi Shower Pan)

Waterproofing is crucial to prevent moisture damage. Apply a waterproof membrane to the shower area, extending it up the walls at least 6 inches. This creates a barrier that prevents water from seeping into the subfloor and walls.

Alternatively, you can use a waterproofing paint or a pre-sloped shower pan kit for a more professional finish. Ensure the area is completely dry before applying any waterproofing material.

Installing the Shower Base

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

If you're using a pre-sloped shower pan kit, follow the manufacturer's instructions for installation. If you're creating a custom base, ensure it slopes towards the drain at a rate of about 1/4 inch per foot. This allows water to drain efficiently.

Apply mortar to the base, spreading it evenly with a trowel. Set the drain assembly in place, ensuring it's level and plumb. Allow the mortar to cure according to the manufacturer's instructions before tiling.

Tiling the Shower Walls and Floor

How to Install Tile Shower Floors
How to Install Tile Shower Floors

Start tiling from the center of the shower, working outwards. This ensures a symmetrical layout and minimizes waste. Apply thinset mortar to the wall or floor using a notched trowel, then press the tile firmly into place.

Use spacers to maintain even grout lines. Once the first tile is set, continue tiling up the walls and across the floor. If you're creating a pattern, ensure you maintain the design throughout the installation.

How to Install a Shower Base
How to Install a Shower Base
a man is working on the floor in front of a shower with tile and tools
a man is working on the floor in front of a shower with tile and tools
DIY Walk-In Shower Tiling: My Beginner's Guide
DIY Walk-In Shower Tiling: My Beginner's Guide
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How to Tile a Shower: DIY Tile Shower
Six Step Walk-In Shower Install - The Home Depot
Six Step Walk-In Shower Install - The Home Depot
How to Build a Walk-In Shower (Part 1: Wedi Shower Pan)
How to Build a Walk-In Shower (Part 1: Wedi Shower Pan)
a woman standing on a step ladder in a bathroom with the words 5 rules for tiling shower walls
a woman standing on a step ladder in a bathroom with the words 5 rules for tiling shower walls
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Step-by-Step Shower Waterproofing for a Tile Remodel
a bathroom with red paint on the walls, and a square hole in the wall
a bathroom with red paint on the walls, and a square hole in the wall
a walk in shower with the words don't build a tile shower 9 reasons why
a walk in shower with the words don't build a tile shower 9 reasons why
How to Install Shower Tile
How to Install Shower Tile
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How to install cement board for tile - Bower Power
an unfinished bathroom with the shower door open and tile on the floor next to it
an unfinished bathroom with the shower door open and tile on the floor next to it
the inside of a house being built
the inside of a house being built
5 walk in shower ideas for a tiny bathroom – Innovate Building Solutions
5 walk in shower ideas for a tiny bathroom – Innovate Building Solutions
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Durable and Stylish: Mastering the Art of Shower Tile Installation in Your Bathroom
How to prep a shower for tile with Schluter Kerdi
How to prep a shower for tile with Schluter Kerdi
Tiling a shower pan
Tiling a shower pan
How to Tile a Basement Shower - The Home Depot
How to Tile a Basement Shower - The Home Depot
a man is working on the floor in front of a sign that says, curbless shower installation
a man is working on the floor in front of a sign that says, curbless shower installation

Installing Shower Niches and Benches

If you're including niches or benches in your design, install them before grouting. Apply mortar to the back of the niche or bench, then set it in place. Allow the mortar to cure before proceeding with grouting.

For a seamless look, extend the tile up the walls and onto the niche or bench. Ensure any cut tiles fit snugly against the edges to prevent water from getting behind them.

Cutting Tiles to Size

Use a wet saw or tile cutter to cut tiles to size. Always wear safety glasses when cutting tiles. For small cuts, you can use a tile nipping tool or score and snap method. Ensure any cut tiles are well-supported to prevent breakage.

When cutting tiles for the edges of the shower, consider using bullnose or pencil tiles for a finished look. These tiles have a rounded or beveled edge that protects the tile and adds a decorative touch.

Grout and Seal the Shower

Once the tiles are set and the mortar has cured, it's time to grout. Choose a grout color that complements your tiles. Apply the grout mixture to the joints using a rubber float, working diagonally to force the grout into the joints.

Allow the grout to set for about 15 minutes, then clean the tiles with a damp sponge. Repeat this process several times to remove excess grout and achieve a smooth finish. Allow the grout to cure according to the manufacturer's instructions.

Sealing the Shower

Sealing your shower is the final step in protecting your tiles and grout from moisture and stains. Apply a silicone-based sealer to the grout lines, following the manufacturer's instructions. Allow the sealer to cure completely before using the shower.

For added protection, consider applying a penetrating sealer to the tiles. This seals the pores in the tile, preventing moisture from being absorbed.

Congratulations, your tile walk-in shower is now complete! Enjoy your new spa-like retreat. Regular cleaning and maintenance will ensure your shower remains functional and beautiful for years to come.