Installing a shower tray

Installing a Shower Tray: Step-by-Step Guide to Installing a Shower Tray

Installing a shower tray is an essential part of bathroom installation and requires precision to ensure everything is watertight and secure. This article provides a step-by-step guide to correctly installing a shower tray, from preparing the substrate to the final finish.

Supplies

  • Shower tray
  • Spirit level
  • Drill
  • Screws and plugs
  • Adjustable wrench
  • Sanitary sealant or silicone sealant
  • Caulking gun
  • Mortar or tile adhesive
  • Drain set (including siphon and drain pipe)
  • Bucket, sponge, and cloth

Step 1: Preparing the Surface

Before you start installing the shower tray, it is important to ensure that the surface on which the tray is placed is stable and level.

  1. Check the substrate: Make sure the floor where the shower tray will be installed is clean, dry, and firm. Remove any old tiles or adhesive residue.
  2. Check the level: Use a spirit level to check that the subfloor is completely flat. If the floor isn't level, you can level it with a leveling compound or a layer of mortar.
  3. Prepare the drain: Make sure the floor drain opening is properly positioned for the shower tray drain set. The drain should be directly below the shower tray drain opening.

Step 2: Positioning the Shower Tray

Now that the surface has been prepared, you can place the shower tray in place and connect the drain.

  1. Install the shower tray: Carefully place the shower tray on the floor, directly over the drain opening. Make sure the tray is positioned correctly and doesn't wobble.
  2. Connecting the drain: Connect the shower tray's drain hose to the floor drain. Use an adjustable wrench to tighten the connection securely. Make sure the drain is properly sealed to prevent leaks.
  3. Check the level: Use the spirit level to check that the shower tray is completely level. Adjust the height of the feet (if present) to ensure the tray is level. This is crucial for ensuring proper drainage.

Step 3: Attaching the shower tray

Once the shower tray is properly positioned and level, it's time to securely attach it to the floor.

  1. Use mortar or tile adhesive: Apply a layer of mortar or tile adhesive to the underside of the shower tray. This helps secure the tray to the floor and prevent any movement.
  2. Press the shower tray into place: Press the shower tray firmly into the mortar or adhesive, ensuring it adheres well to the floor. Allow the mortar or adhesive to cure according to the manufacturer's instructions.
  3. Fixing with screws (if necessary): If the shower tray has fixing points, carefully drill through the holes in the edge of the tray and screw it to the floor. Use wall plugs if necessary.

Step 4: Sealing the Shower Tray

It is essential to properly seal the edges of the shower tray to prevent water leakage.

  1. Applying sanitary caulk: Apply an even layer of sanitary caulk or silicone around the edges of the shower tray where it meets the wall and floor. Use a caulking gun for precise application.
  2. Sealing the drain: Also apply plumbing sealant around the drain connection to ensure a watertight seal.
  3. Smoothing: Use a wet finger or a caulk smoother to smooth the caulk, making sure there are no gaps or air bubbles.

Step 5: Testing and Finishing

After installing and sealing the shower tray, it is time to test and finish everything.

  1. Allow the sealant to cure: Allow the sanitary sealant to cure completely according to the manufacturer's instructions before using the shower tray. This prevents the sealant from shifting or becoming damaged.
  2. Leak Test: Once the sealant has hardened, fill the shower base with a small amount of water to check for any leaks around the drain or edges.
  3. Finishing the edge trim: If the shower tray is installed in a corner or against a wall, apply the finishing edges to create a neat transition between the shower tray and the wall.

Frequently Asked Questions

Can I install a shower tray myself, or should I hire a professional? Installing a shower tray is a job that many DIYers can handle themselves, especially with the help of a detailed manual like this one. However, if you're unsure or lack plumbing experience, it's advisable to hire a professional to prevent problems like leaks.

How long does it take to install a shower tray? Installing a shower tray can typically take several hours, depending on your experience and the complexity of the installation. It's important to be patient, especially while the sealant cures, to ensure everything is properly installed and watertight.

What should I do if the shower tray wobbles? If the shower tray wobbles, check that the surface is completely level and that the tray is positioned correctly. You can adjust the tray's feet (if present) or apply an additional layer of mortar or adhesive to improve stability.


With this guide, you can install a shower tray yourself and ensure it's securely and watertight. Follow the steps above carefully to ensure a successful installation and enjoy a trouble-free shower experience. If you have any questions or need assistance, don't hesitate to contact a professional.

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