How To Level A Bathroom Floor? [Useful Guide]

How To Level A Bathroom Floor

Before installing wooden or tiled flooring in your home, it is essential to level the bathroom floor properly. This is important to ensure that the tile or flooring material fits perfectly and lasts for a long time. But how to level a bathroom floor without causing damage to the surface?

When I was working on the flooring of my bathroom, I was stunned by the number of money contractors ask for when it comes to leveling a floor. Hence, I decided to take the work upon myself and level the foundation of my bathroom.

Leveling the floor of a bathroom is quite simple and does not put much pressure on the pocket. Therefore, continue reading to know the steps of leveling a bathroom floor and several other relevant factors.

6 Steps To Level A Bathroom Floor Without Damaging

Leveling a bathroom floor is relatively easy and does not require much time or money. However, you will have to ensure that the flooring does not endure any damage. Let’s look at the steps to level a bathroom floor without damage.

Step 1: Check The Flatness Of The Flooring

The first step of leveling a bathroom floor is to ensure that the surface is flat. There are often instances when there are high or low spots on the surface, which will significantly affect the quality of your flooring. You can check whether the surface is flat or not by placing a straight edge or rule over the surface.

If the object sits on the floor properly, it means that the flooring is flat. In case the things wobble or continue to move after they are placed on the surface, this refers to a high or peak spot. On the other hand, if you notice a gap or space under the object, it refers to a low place, also known as a valley.

Step 2: Level The High Spots Properly

Once you have identified all the high spots on the surface, it is time to level these peaks properly. To do so, you will have to sand the high spots to match the flatness of the flooring. An angle grinder works best in this scenario, but you can also use sandpaper if you are working on a small area.

Step 3: Fill The Low Spots

The next step is to fill the low spots correctly to match the bathroom’s flooring. To fix the low spots, you can use a cement-based mixture. Mix the substance with water to make a porous solution. Pour it in the low spots to match the flooring and let it dry completely before moving on.

Step 4: Clean The Flooring

Once you have correctly fixed the high and low spots on the surface, it is now time to clean the flooring before moving forward with the leveling. This step is crucial as the leveling material or mixture will not be able to bond if there is dust or other particles on the surface.

Take water and a small amount of dish soap to clean the entire surface properly and remove all dirt, debris, and so on from the floor. Rinse the bottom once all the dirt is gone and let the surface air dry completely.

Step 5: Prepare The Leveling Material

After cleaning the floor correctly, you will now have to prepare the material required to level the bathroom floor. Before preparing the leveling material, consider the floor area and purchase ingredients accordingly. Pour all the leveling compounds or components into a bucket and mix properly to create a proper mixture.

Step 6: Pour The Leveling Material Over The Surface

Once the mixture is ready, pour it over the surface in small amounts and a flat trowel to smooth it out. It is essential to ensure that the material is spread smoothly over the surface to ensure that the tiles or flooring material fits perfectly. Make sure that you do not miss any spots on the bathroom floor.

Let the initial layer dry completely before applying a second coating. However, do not go for a second coating if the first coating has successfully leveled the bathroom floor. Check the flatness once again to ensure that there are no high or low spots left behind.

4 Things You Should Know Before Leveling A Bathroom Floor

Leveling a bathroom floor to install the flooring materials is highly important. However, there are a few things that you must be aware of before you move forward to level a bathroom floor. Here, we will discuss the factors you should know before leveling the foundation of your bathroom.

1. Type Of Flooring:

Before you start working to level your bathroom floor, you must decide the type of flooring you are planning on installing. This is because the leveling method is slightly different and has a different effect on every kind of flooring material. Certain types of flooring do not require a proper flattening or fixing of the surface before leveling. However, flooring materials such as wooden boards and tiles need a completely flat and properly balanced bathroom floor; otherwise, the material will not be set correctly.

2. High and Low Spots:

High and low spots on the floor will significantly affect the quality and performance of your flooring. It is essential to identify every high and quiet spot and fix them properly before moving forward with the leveling.

Make sure that you check the entire spot and sand all of the high spots to match the floor’s flatness. Fill in the low spots and let them dry to match the bathroom floor.

3. Identify The Problem:

We often have to get rid of the old flooring and level the surface to install a new floor. This often happens when there is an issue beneath the flooring. Before you level the surface to install new flooring, make sure that you identify and solve all the underlying problems.

Foundation or structural issues and plumbing issues are the primary reasons that cause a floor to be uneven. Not only that, but damaged joists are also a common cause that contributes to the uneven flooring. However, make sure that you find a permanent solution to these issues and then level the bathroom floor.

4. Condition Of The Joists:

Before you level the bathroom floor, make sure to check the condition of the joists. There are often instances when the joists bow upwards and cause the floor to become uneven. You will have to fix these joists properly and flatten the surface.

However, fixing these joists is very simple and does not require much time. You have to sand down the joists properly to match the surface. You can rely on an angle grinder or sandpaper for the task.

5 Tips To Level The Uneven Floors Hassle-free: Beginners Guide

So far, we have talked about the steps and things you should know about leveling a bathroom floor. But there are a few tips and tricks that will help you balance the bathroom floor properly and efficiently. So, let us look at the tips to level the uneven floor for beginners.

1. Do Not Pour The Leveling Material All At Once

When leveling the bathroom floor, do not pour all the leveling material at once. Pour the material in small amounts and spread it evenly to make sure that it is not uneven. This will also help you to use the right amount of leveling compound.

2. Mark The High And Low Spots

While checking the floor’s flatness, we identify high and low spots and fix them later to ensure that the surface is even. Marking the high and low spots while placing them makes it easier for you to go back and fix them accordingly. This will ensure that you do not miss any spots or have to conduct the check once again.

3. Place A Doorway Barrier

The leveling material is a porous solution and can easily move to the other room. Building a doorway barrier at the bathroom door while leveling the bathroom floor will ensure that the mixture does not flow out of the area. This will also ensure that the other rooms’ flooring is not affected in any way.

4. Cover Vents and Drains

Bathroom floors have vents and drain, and the leveling material can get into them and create a blockage. Cover the vents and drains before pouring the solution to avoid this trouble. You can use cardboard or any hard material to stop the mixture from getting into these spaces.

5. Start From The Corner Farthest From The Door

Before you start pouring the leveling mixture to level your bathroom floor, make sure that you start doing so from the corner that is the farthest from the door. Pour and spread the mixture all over the room before reaching the door.

The reason behind this is that the pouring mixture will have to dry completely before you step on it or touch it. If you pour the door area at the beginning, you will have to step on the leveling material to leave the room.

Related Questions:

How Do You Level An Uneven Bathroom Floor?

The processing of leveling an uneven bathroom floor is straightforward, and all you have to do is follow a few steps. Start by checking the floor’s flatness and identifying the surface’s peaks and valley space. Sand the mountains and fill the valleys to ensure an even surface.

Clean the entire surface properly and let it dry completely. Mix the leveling material and pour it over the floor in small amounts. Spread the mixture evenly and allow it to dry before you start working with the flooring material.

Can You Level A Plywood Bathroom Floor?

Leveling a floor with plywood is easy and relatively cost-effective. This will save you from the cost of the leveling mixture. It will also reduce the hassle and save time as you do not have to work on leveling the surface before placing the flooring material.

Check the flatness of the floor and take plywood of various thicknesses. Install the plywood on the foundation according to the surface’s difference in height or evenness. Ensure that the measurement is correct and that the floor is completely level.

What Is The Best Way To Level A Bathroom Floor?

The best way of leveling a bathroom floor is to rely on a self-leveling compound. Ensure that the entire surface is flat and equal in all the places, and flatten the high spots. Do not forget to fill the low spots and let them dry completely.

Once the entire floor is flat, clean it properly with water and soap to eliminate all the dust, dirt, etc. Mix and pour the self-leveling compound over the floor and spread it evenly. Allow the leveling to dry properly before you install the flooring materials.

Can You Pour Self Leveling On Plywood?

If you have an uneven plywood flooring, you do not have to remove the plywood. The scenario is the same if you switch from plywood flooring to another type or style. Pour the self-leveling over the plywood and cover it completely.

Let the self-leveling dry completely over the plywood before you advance with your work. Once dried, you can work on the flooring as you want. You can either cover the self-leveling with carpets and rugs or install tiles to make your floor look elegant.

How Do You Level A Wooden Bathroom Floor?

Leveling a wooden bathroom floor is simple and does not require much time or money. Fill all the gaps in the wooden floor with additives or sealant appropriately and wait for it to dry. Onceadhesivealant has dried, clean and prime the surface with a primer evenly and allow it to dry.

Place doorway barriers and prepare the mixture of the leveling material. Start pouring the mixture from the area farthest from the doorway and evenly spread the leveling compound. Wait for it to dry and install your preferred flooring material.

What Can You Use Instead Of A Self-Leveling Compound?

Self-leveling compounds often exceed our budgets when we go forward to level the uneven flooring of our homes. However, you can rely on a specialized sand mix available in the market, instead of the self-leveling compound. This sand mix also includes a decent percentage of concrete and provides similar performance.

Using this specialized sand mix in leveling the floor is very simple. You have to spread the mixture evenly over the surface and spray it with water properly. Wait for the mixture to dry and install the flooring material.

Can You Use Plaster To Level The Floor?

Plaster is an excellent alternative to the self-leveling compound or the specialized sand mix when it comes to leveling a surface. It is not only a cost-effective process but is also easy and hassle-free. Prepare the plaster in a big bucket and create a thick paste.

Ensure that the surface is flat and clean the floor properly. Pour the plaster all over the floor in small portions and spread it evenly over the floor. However, preparing the plaster is not an easy task, and you will probably need a mixing drill to prepare the mixture.

How Much Does It Cost To Level Uneven Bathroom Floors?

The cost of leveling an uneven bathroom floor varies significantly depending on several factors. The price ranges from $5 to $30 per square foot if the work is done professionally, depending on the floor condition, leveling compounds, etc. However, the pricing rises significantly, reaching $300 to $500 or more per square foot if the foundation or structural issues need work.

On the other hand, if you level the bathroom floor as a DIY project. This results in $2 to $5 per square foot. However, if there are structural issues, hiring professionals is the best decision.


Now that we are at the end of the guide, you are aware of how to easily level a bathroom floor. Follow the steps and instructions properly to ensure that your bathroom floor is leveled without any sort of damage.

Make sure to spread the leveling compound evenly, and do not forget to fix the high and low spots first. Rely on the tips mentioned above to make the entire bathroom floor leveling process faster and easier. 

Jahidul Alam

Hello dear! This is Jahidul Alam. I am the admin of this Tidy Floor. I have been in the floor cleaning business for the last 20 years. My business is all about ensuring affordable flooring cleaning services for Americans.

Leave a Reply

Your email address will not be published.

Recent Posts