Step-by-Step Guide: How to Build a Shower Cubicle

Mason Jul 20, 2026

Embarking on a home improvement project can be both invigorating and rewarding, and building a shower cubicle can significantly enhance your bathroom's functionality and aesthetics. Whether you're renovating an existing space or creating a new one from scratch, this guide will walk you through the process, ensuring you end up with a shower cubicle that's perfect for your needs.

Easy way to build a shower! #diy  #shorts
Easy way to build a shower! #diy #shorts

Before we delve into the step-by-step process, it's crucial to plan your project meticulously. This includes determining the size and style of your shower cubicle, choosing the right materials, and ensuring you comply with local building codes and regulations. Once you've got your plans in order, you're ready to begin.

a white shower stall in a room with wooden boards on the walls and flooring
a white shower stall in a room with wooden boards on the walls and flooring

Preparation and Planning

Thorough preparation is key to a successful outcome. This phase involves measuring your space, purchasing materials, and gathering the necessary tools. Accuracy here will save you time and effort in the long run.

The Easy way to Build a DIY Walk in Shower
The Easy way to Build a DIY Walk in Shower

A well-planned project ensures you stay within budget and avoid last-minute DIY disasters. So, take your time to measure, calculate, and double-check your plans before you start. This includes planning for drainage, as improper drainage can lead to mold and water damage.

Gathering Materials and Tools

DIY Shower Cubicle H - 1030W x 760D x 1900H
DIY Shower Cubicle H - 1030W x 760D x 1900H

Your list will vary depending on your chosen design, but typically, you'll need wall boards, a base tray, waterproof sealant, shower tiles or panels, grout, adhesive, silicone sealant, and optional fixtures like showerheads, taps, and shower screens. You'll also need a range of tools, including a tape measure, spirit level, utility knife, trowel, grout float, and silicone gun.

Quality materials are a worthy investment. High-quality shower boards, for instance, are more durable and offer better waterproofing than lower-priced alternatives. Consider investing in these areas for a long-lasting result.

Planning for Drainage

perfect tiles setup on bathroom by workers - tube home
perfect tiles setup on bathroom by workers - tube home

Proper drainage is vital to prevent water damage and create a safe, comfortable shower experience. You'll need to account for falls, ensuring water flows towards the drain. Typically, this involves a gradient of 1:40, meaning the shower floor drops 1 unit for every 40 units of its width.

A linear or point drain can be used, depending on the layout and your personal preference. Linear drains are more challenging to install but offer a sleek, contemporary look. Point drains are easier to install and can be used with both tiled and trayed showers.

Building the Shower Cubicle

two empty white boxes sitting in a warehouse
two empty white boxes sitting in a warehouse

Now that you've planned and prepared, it's time to start building. This phase involves assembling the shower tray, installing the wall boards, and waterproofing the area.

Each step requires precision and attention to detail. A sloppy job at this stage can lead to leaks and other issues down the line, so take your time and ensure each stage is completed correctly.

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a walk in shower sitting next to a white radiator on a tiled floor
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an empty shower stall in a bathroom under construction
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Assembling the Shower Tray

If you're using a shower tray, start here. Most trays come with a surrounding UPC (Uniform Plumbing Code) compliant rubber seal. Ensure this is fitted correctly and that the tray is level before you proceed.

Once you're satisfied with the positioning, secure the tray in place using appropriate screws or fixings. This will prevent it from shifting once the weight of the water begins to bear down on it.

Installing Wall Boards

Wall boards, or shower panels, provide a watertight surface and support the shower's structure. They should be installed from the bottom up, with each panel interlocking with the one below it. This ensures a secure, watertight fit.

Measure and cut each board carefully, ensuring they fit snugly against the walls and each other. Use a utility knife for clean, accurate cuts, and remember to allow for the drain position. Once you're satisfied with the fit, apply adhesive behind each board and secure them in place using screws or fixings appropriate for your chosen material.

Waterproofing the Shower Cubicle

Once the boards are in place, it's time to waterproof the area. This involves applying a waterproof membrane to the walls and floor, ensuring that no water can seep through to the surrounding structure.

Start by applying a리고vern waterproof membrane to the walls, ensuring full coverage. Then, apply a second membrane to the floor, again ensuring full coverage and allowing for the drain position. Overlap the two membranes for added protection. Allow these to dry thoroughly before proceeding.

Tiling and Finishing

With the structure complete, it's time to move on to the tiling and finishing phase. This involves installing the shower tiles or panels, applying grout, and installing any fixtures you've chosen.

The devil is in the detail here. A neat, well-considered tile installation can transform a functional shower cubicle into a beautiful, inviting space. Take your time and don't be afraid to ask for advice if you're unsure about any aspect of this stage.

Installing Shower Tiles or Panels

Starting from the bottom, apply tiles or panels to the walls and floor, using spacers to maintain an even gap between each one. Work your way up the walls, ensuring the tiles remain level and aligned throughout. Use a spirit level to check your progress regularly.

Once you've reached the desired height, install any shower screens or glass panels you've chosen, if applicable. Secure these in place using appropriate fixings and follow the manufacturer's guidelines for any additional sealing or treatment.

Applying Grout

Once the tiles are in place, it's time to apply grout. Choose a high-quality grout that's suitable for your chosen tiles and incorporates a fungi and bacteria inhibitor for added protection.

Apply the grout using a rubber grout float, holding it at a 45-degree angle to the surface. Work the grout into the gaps, ensuring full coverage. Then, use a damp sponge to wipe away any excess, being careful not to remove the grout from the gaps.

Plumbing and Final Touches

The final phase involves connecting your shower to the plumbing system and making any final adjustments.

Hire a professional plumber to connect your shower to the mains, if you're not confident doing this yourself. This ensures a safe, effective connection and prevents any potential leaks or damage. Once the plumbing is sorted, you're free to install any final touches, like accessories and fixtures.

Taking a step back, you can now admire your newly built shower cubicle. The project may have been challenging at times, but the satisfaction of a job well done is immense. By following this guide, you've created a functional, attractive space that's a true testament to your DIY skills. Now, it's time to enjoy the fruits of your labor - treat yourself to a long, luxurious shower and revel in the knowledge that you built it yourself. Happy showering!