
Tiling a shower pan is a straightforward process that can be done in a variety of ways. One method involves isolating the old tile with a waterproofing membrane, removing the old drain cover, and setting a new grate over the existing drain. Another approach includes applying a waterproof adhesive and carefully placing the tiles, ensuring a secure and even installation. It is also possible to tile over an existing tile shower floor, but it may require removing the bottom row of tiles and extending the membrane up the wall to ensure waterproofing. When deciding between a shower pan or tile for a shower floor, it is important to consider factors such as durability, maintenance, and resale value.
| Characteristics | Values |
|---|---|
| Pros of shower pan | Low-maintenance, minimises the risk of mould in damp conditions, provides a sleek finish |
| Cons of shower pan | May not be good for resale, may not look as good |
| Pros of tiling | Better for resale, looks better |
| Cons of tiling | Requires proper waterproofing to avoid issues |
| Tiling process | Clean the surface, apply a waterproof adhesive, place tiles, ensure a secure and even installation |
| Tiling over a shower pan | Requires a waterproofing membrane, removing the old drain cover, and setting a new grate over the existing drain |
| Tiling over a tiled shower pan | Requires a bonding flange, a grinder to grind down knobs on the drain flange, thinset around the drain and grate, and test-fitting the tile |
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What You'll Learn

Tiling over an existing shower pan
To begin, the surface of the existing shower pan should be thoroughly cleaned. This provides a good base for the new tiles. The next step is to waterproof the shower pan. This is an important step as it will prevent water from getting behind the tiles and causing damage. A waterproof membrane should be used, and it is recommended to use a product such as Schluter-Kerdi, set in a thin bed of latex-modified thinset. To ensure a good bond between the old surface and the thinset, the surface should be scored with an angle grinder. The thinset should then be applied all over the pan, with the membrane placed on top, overlapping the existing drain flange. This should be left to cure for around 24 hours.
Once the waterproofing is complete, the new tiles can be installed. A generous amount of thinset should be applied around the drain, and the new grate should be pressed into place, sitting flat. The new tiles can then be test-fitted around the grate, adding or removing thinset until the tile is even with or slightly above the new grate. The tiles should be laid from the drain towards the walls, ensuring that the pitch is towards the drain. Once the thinset cures, the job can be completed with grout and two coats of a sealant.
It is important to note that this process takes time and care, and ensuring that the waterproofing is effective is critical to avoid future issues.
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Waterproofing the shower pan
First, ensure that the surface of your shower pan is clean and free of any debris or residue. This is crucial for the waterproofing materials to adhere properly. Next, apply a waterproofing membrane to the entire surface of the shower pan, including the walls. There are two main types of waterproofing membranes: sheet membranes and liquid membranes.
Sheet membranes, such as Kerdi or Laticrete, are easier to install, more flexible, and robust. They are also approved for steam showers. Sheet membranes are totally waterproof, and you can tile immediately after installing them. When using a sheet membrane, ensure that you follow the manufacturer's instructions for proper installation.
Liquid membranes, such as Redgard or Hydroban, require a bit more care during application. They need to be applied at a certain thickness, so a gauge is necessary. Liquid membranes also require at least two coats and take a long time to dry. It is important to note that liquid membranes are not approved for steam showers.
Another option for waterproofing the shower pan is to use a product like Hydroban, which offers a range of premade shower pans, drains, liquid-applied membranes, and sheet membranes. Their sheet membrane is similar to Kerdi but is said to be a little more rigid and easier to install.
Once you have chosen your preferred waterproofing membrane, follow the manufacturer's instructions for proper application and cure time. For example, the Schluter-Kerdi membrane requires the use of unmodified thin-set mortar for proper bonding and has a long cure time.
Additionally, if you are tiling over an existing shower pan, you can isolate the old tile by scoring it with an angle grinder and then applying a waterproofing membrane. Make sure to remove the old drain cover and set a new grate over the existing drain. Let the membrane cure for about 24 hours before tiling.
By following these steps and choosing the appropriate waterproofing membrane for your shower pan, you can ensure a successful tile installation and protect your shower from leaks and water damage.
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Using a shower pan or tile for the shower floor
When it comes to shower floors, you have the option of using a shower pan or tiles. Both have their own advantages and considerations to keep in mind.
Using a shower pan is a low-maintenance and durable option. It provides a sleek finish and minimises the risk of mould in damp conditions. Shower pans are also easier to install, especially if you opt for a pre-made one that fits your shower size. However, if you need to replace the shower pan for any reason, it can be challenging as it may require removing the wall tiles as well.
On the other hand, tiles offer a more customised look and feel for your shower. You can choose from various materials, such as ceramic, mosaic, or stone, or even create a curbless shower for better accessibility and a more seamless appearance. Tiles also offer flexibility in terms of repair and replacement. If a tile or grout fails, you can replace just the affected area without having to redo the entire shower floor.
To install tiles on your shower floor, it is essential to ensure proper waterproofing. Start by cleaning the surface and applying a waterproof adhesive. Install the tiles securely and evenly for a polished finish. Additionally, consider using a waterproofing membrane, such as Schluter-Kerdi, to isolate the old tile and create a seal. This process requires careful planning and execution, ensuring that the new drain grate sits flush with the new tile.
Whether you choose a shower pan or tiles, proper installation and maintenance are crucial to ensure the longevity of your shower floor. Consider your personal preferences, the level of customisation desired, and the amount of maintenance you are willing to undertake when making your decision.
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Installing a shower pan bed and tiles in one day
Installing a shower pan bed and tiles in a day is possible, but it is a complex process. Here is a step-by-step guide to help you through the process:
Prepare the Subfloor and Waterproofing
First, prepare the subfloor by cleaning and waterproofing the surface. This is a crucial step to ensure that your shower area is watertight and durable. Make sure to use a waterproofing membrane, such as Schluter-Kerdi, and follow the manufacturer's instructions.
Create the Mortar Bed
Next, create the mortar bed by applying a layer of polymer-modified mortar to the shower floor. This will help you form and slope the bed correctly. Use a notched trowel to spread the mortar evenly and create a bed layer for the shower pan.
Set the Drain
After the mortar bed has dried (about 2 hours, depending on temperature and humidity), you can set the drain. Ensure that the drain forms a watertight seal with the membrane. Mark the bolt heads, make small cuts to expose them, and then make a circular cut between the bolt heads following the inside of the drain.
Test for Leaks
Before tiling, it is essential to test the pan for leaks. Insert an expandable rubber drain plug into the lower part of the drain and tighten it. Fill the shower pan with water, and let it sit overnight. Check the water level and inspect for any leaks the next day.
Tile Installation
Once the shower pan has passed the leak test, you can proceed with tile installation. Ensure that the tiles are installed correctly and securely, following the manufacturer's instructions. Use a waterproof adhesive and carefully place the tiles, creating a polished finish.
Seal the Edges
After tiling, properly seal the edges to prevent moisture from seeping underneath. Use a silicone sealant or caulking designed for wet areas. Apply it around the perimeter edges, corners, and where the pan meets walls or fixtures.
Final Steps
Finally, clean up any excess thinset, mortar, or grit used during tile installation. Use a wet vacuum to remove debris, and avoid harsh chemicals or acidic cleaners near drain fixtures. Allow sufficient time for the mortar beds and adhesives to cure before using the shower.
Please note that this is a general guide, and variations in materials and methods may exist. Always refer to the manufacturer's instructions and seek professional advice if needed.
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The type of tiles to use
When it comes to tiling your shower pan, there are several types of tiles to choose from, each with its own advantages and considerations. Here are some options to consider:
Mosaic Tiles
Mosaic tiles are one of the most popular choices for shower floor tiles. They are made up of smaller pieces that allow for more grout lines, providing better traction on wet surfaces. The small size of individual tiles also means they conform better to the slope and shape of the shower floor. Mosaic tiles come in a variety of colours and styles, such as herringbone or penny round, allowing you to create a unique and aesthetically pleasing shower floor.
Porcelain Tiles
Porcelain tiles, specifically matte or textured porcelain mosaic tiles, are a great option for shower floors. They offer both aesthetic appeal and functional safety. The matte or textured surface provides better grip underfoot, helping to prevent slips and falls. Porcelain tiles are also easy to maintain as they can be quickly wiped clean and are resistant to staining.
Ceramic Tiles
Ceramic tiles are another option for shower pans. They are durable and water-resistant, making them suitable for wet areas like showers. Ceramic tiles come in a variety of colours and styles, allowing you to create a unique look for your shower.
Stone Tiles
Natural stone tiles, such as pebble tiles, can give your shower a luxurious spa-like feel. The shape and surface variation of pebble tiles provide good traction, while the natural stone look adds elegance to your shower. Stone tiles are available in a range of materials, including marble and granite, each with its own unique characteristics.
Glass Mosaic Tiles
Glass mosaic tiles can add a unique and modern touch to your shower pan. They come in a variety of colours and finishes, allowing you to create a stylish and vibrant shower. Glass mosaic tiles reflect light, making your shower appear more spacious and bright.
It's important to consider factors such as slip resistance, water resistance, ease of maintenance, and aesthetic appeal when choosing the type of tile for your shower pan. Proper installation is also crucial to ensure a durable and functional shower floor.
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Frequently asked questions
Yes, you can tile over an existing shower pan. First, isolate the old tile with a waterproofing membrane, then remove the old drain cover and set a new grate over the existing drain.
First, determine the depth of the shower pan. After the drain is set into the shower floor, measure the height from the subfloor to the top edge of the drain, deducting the thickness of the mortar bond coat and tile being installed. The shower pan will need a slope of 1/4" per foot for the water to drain properly. After the layer of the shower pan dries, apply two coats of a waterproofing membrane to the full height of the tile being installed and down to the drain base.
Tiling a shower pan can be better for resale and looks better. If you do proper waterproofing, you won't have any issues. A pre-made shower pan is a low-maintenance and durable option that provides a sleek finish while minimising the risk of mould in damp conditions.








































