The Shocking Truth About Where Tile Goes Under Toilet Flanges

When embarking on a bathroom renovation, the question of whether tile should go under the toilet flange often arises. Understanding the proper installation procedure is crucial for ensuring a leak-proof and visually appealing bathroom. In this comprehensive guide, we delve into the intricacies of tile placement around the toilet flange, exploring the advantages and disadvantages of each approach.

The Case for Tile Under the Flange

1. Enhanced Aesthetics:

Tiling under the flange creates a seamless and aesthetically pleasing transition between the floor and the toilet base. It eliminates the visible gap that can occur when tile is installed around the flange, resulting in a more polished and cohesive look.

2. Improved Water Resistance:

By extending the tile beneath the flange, you effectively create a watertight barrier around the toilet base. This prevents water from seeping into the subfloor, reducing the risk of leaks and moisture damage.

3. Simplified Cleaning:

Cleaning around the toilet base becomes effortless when tile is installed under the flange. The absence of gaps eliminates dirt and debris buildup, facilitating quick and thorough cleaning.

The Case for Tile Around the Flange

1. Easier Installation:

Installing tile around the flange is generally easier than tiling under the flange. It requires less precise cutting and positioning, making it a more straightforward process for DIY enthusiasts.

2. Reduced Risk of Damage:

The flange is a vulnerable area that can be easily damaged during tile installation. By tiling around the flange, you minimize the risk of chipping or cracking the flange, ensuring its integrity.

3. Compatibility with Existing Flanges:

If your bathroom already has an existing flange, tiling around it may be the only feasible option. Attempting to remove the flange and install tile underneath can compromise the stability of the toilet and lead to leaks.

Considerations for Tile Placement

1. Floor Height:

Installing tile under the flange can raise the overall height of the floor. Ensure that the height difference is within acceptable limits, especially if there are thresholds or other obstacles in the bathroom.

2. Flange Type:

Different types of toilet flanges have varying heights. Check the flange’s height before purchasing tile to ensure a proper fit.

3. Tile Thickness:

The thickness of the tile can affect the overall height of the floor. Consider the tile thickness when determining whether to install it under or around the flange.

4. Subfloor Condition:

The subfloor must be level and in good condition before installing tile. If the subfloor is uneven or damaged, it may be necessary to level it or replace it prior to tiling.

Step-by-Step Guide for Tiling Around the Flange

1. Remove the Toilet:

Turn off the water supply and disconnect the toilet from the water line. Lift the toilet straight up to remove it from the flange.

2. Clean the Flange:

Remove any debris or old sealant from the flange using a wire brush or a cleaning solution.

3. Apply New Sealant:

Apply a bead of silicone sealant around the base of the flange. Smooth the sealant using your finger or a putty knife.

4. Install the Tile:

Cut the tile to fit around the flange, leaving a small gap between the tile and the flange. Spread thinset mortar on the subfloor and press the tile into place.

5. Grout the Tile:

After the thinset has dried, apply grout to the joints between the tiles. Use a grout float to smooth the grout and remove excess.

Step-by-Step Guide for Tiling Under the Flange

1. Remove the Toilet and Flange:

Follow the same steps as for tiling around the flange to remove the toilet and the existing flange.

2. Install the New Flange:

Place the new flange over the drainpipe and secure it with the provided bolts. Tighten the bolts until the flange is flush with the floor.

3. Apply Sealant:

Apply a bead of silicone sealant around the base of the flange where it meets the subfloor.

4. Cut the Tile:

Cut the tile to fit under the flange, leaving a small gap between the tile and the flange.

5. Spread Thinset Mortar:

Spread thinset mortar on the subfloor and around the base of the flange.

6. Install the Tile:

Carefully slide the tile under the flange, ensuring that it is level and flush with the surrounding tiles.

7. Grout the Tile:

Follow the same grouting process as for tiling around the flange.

Final Thoughts: Making an Informed Decision

Whether to install tile under or around the toilet flange depends on several factors, including aesthetics, ease of installation, and the condition of your bathroom. By carefully weighing the advantages and disadvantages of each approach, you can make an informed decision that will ensure a beautiful and functional bathroom.

Frequently Asked Questions

1. Can I install any type of tile under the toilet flange?

No, not all types of tile are suitable for installation under the toilet flange. Ceramic and porcelain tiles are generally preferred due to their durability and water resistance.

2. How do I ensure a watertight seal around the toilet flange?

Apply a generous bead of silicone sealant around the base of the flange, both when tiling under and around the flange. Smooth the sealant using your finger or a putty knife to create a watertight barrier.

3. What should I do if I accidentally damage the flange during tile installation?

If the flange is damaged, it is important to replace it immediately. A damaged flange can lead to leaks and other plumbing issues.

4. Can I install tile around an existing flange that is not level?

It is not recommended to install tile around a flange that is not level. The uneven surface will make it difficult to achieve a proper fit and could result in leaks.

5. What is the best way to clean tile around the toilet flange?

Use a mild cleaning solution and a soft cloth to clean tile around the toilet flange. Avoid using harsh chemicals or abrasive cleaners, as they can damage the tile or grout.