A wobbly or wobbly toilet is not only annoying, but also a sign of a problem. Shimming is a solution that uses shims to stabilize the base. It also stops the toilet from leaking and the resulting costly damage. Additionally, it puts an end to the rocking of the toilet and preserves your bathroom floor.
Shimming is usually required when fixing a wobbling toilet. This paper aims to describe how to shim a toilet properly, based on the cause of the instability. Insecure bolts or unlevel floors are common causes of instability. Shimming is done right to make sure that the toilet is level, to prevent leaks or damages to the floor.

Why Does a Toilet Wobble?
A wobbly toilet is not only annoying, it is a clear indication that there is a problem. The chief causes of this include: having an uneven floor, being out of alignment, or having parts that are simply worn out. Let's take a look at each reason so you can know what to do next. It is very important to know how to shim a toilet in order to fix these problems and maintain your bathroom.
Uneven Bathroom Flooring
Over time, homes can develop shifts which can cause floors to become uneven. Use a level to check the area under the toilet. If there are gaps, the floor isn’t even. There are toilet leveling techniques like using shims that you can do to fix it. A DIY toilet shim guide can show you how to shim a toilet to level the base properly.
Improper Flange Height
The flange is what connects the toilet to the drain pipe. If it is not the right height, then the toilet will wobble. To solve this problem, the flange has to be level. A toilet leveling guide will assist you in adjusting it, but at times, How to shim a toilet is required to provide some level of compensation for small height variations.
Loose or Worn-Out Bolts
The bolts that hold the toilet to the floor can get weak or just lose their grip over time. If the bolts are rusty or otherwise defective then the base of the toilet may shift. Sometimes, it may just be a good tightening or replacing of the bolts. Sometimes, poorly installed bolts may be a sign of other issues, e.g., gaps that need the toilet to be leveled. It may be useful to know how to shim a toilet to make sure that the unit is stable after the bolts have been tightened
Three main causes are responsible for most of the wobbles. One may have more than one issue. Fixing one may reveal another. But when you know the cause, then fixing the toilet wobble becomes that much easier. If you think that shimming is the cause, then you need to know how to shim a toilet so as not to make things worse. Confirm each part to cease the shake.
How to Shim a Toilet Properly
Finding out how to fix a wobbly toilet is easier than one might think. Use this guide to make your toilet stable and safe, and follow these steps to find out where the gaps are and how to shim a toilet properly to create a solid base.
Here in this bar, you will learn how to shim a toilet so that it sits tightly. You will be able to shim a toilet without a hassle following these steps.
Step 1: Identify the Gaps
First find the unstable spots by rocking the toilet's base gently. Use a flashlight to see gaps. These areas can be marked with painter's tape for later ease. This step is to help avoid any mistakes later on. If you’re not sure how to shim a toilet, the first real key step is identifying the right spots.
Step 2: Choose the Right Shims
For instance, get shims that are plastic, rubber, or composite. To wet areas, use plastic shims; to uneven floors, use rubber shims. Some shims are bendable for use in tight spaces. There are some shims that are flimsy and will not last. Knowing what material to use is important when you want to know how to shim a toilet the right way.
Step 3: Loosen the Toilet Bolts
Using a wrench, loosen the bolts until they can turn freely, but don’t take them off yet. This keeps the wax seal in place, keeping it from leaking. It’ll keep you from paying for costly toilet repair costs later on. Some homeowners, when looking for how to shim a toilet, make the mistake of completely removing the bolts which can lead to misalignment.
Step 4: Insert the Shims
In this manner, place shims under the toilet flange with the tendency to be more towards the floor. Tighten the bolts slowly while making sure that the toilet is stable. Give the toilet a rock to see if it is stable. If it does not wobble at all, then stop adding shims. It is very important to get the right way of how to shim a toilet as well as follow the right toilet shim placement guidelines.
Step 5: Tighten the Bolts
But after putting the shims in position, you should then tighten the toilet bolts. You shouldn’t overtighten – this can lead to cracking of the toilet base. You shouldn’t grip it too tightly – this is the initial fit. A very important aspect of how to shim a toilet is how to get the bolts tightened up just right—too loose, the toilet shifts, but too tight, and it may crack.
Step 6: Trim the Excess Shim Material
If shims show through beyond the toilet base, a utility knife should be used to cut off the extra for a clean look.
Step 7: Seal the Base (Optional)
For finished appearance and extra strength, put a small amount of caulk where the base of the toilet meets it and then set it in place. It also keeps water and dirt from seeping or sitting on the base as well.
When Should You Replace Your Toilet?
However, some problems can’t be fixed with a toilet wobbling fix. If you see cracks in the bowl or tank, it’s time for a new one. If there is a leak under the base of the toilet, even after you’ve tightened the bolts or shimmed it, that means you have porcelain damage. Any toilet that is more than 15 years old may need to be replaced because of poor design.
If you have a persistent clog or a weak flush, your toilet is simply worn out and can not be fixed. If you have attempted to Shim a toilet and are still having problems then it may be time to think about replacing it.

It can be very costly to keep on replacing a toilet that is frequently broken. Why try to spend $50 on the best shims for toilets once a year instead of buying a new one. Some new toilets like the HOROW T38 use 30% less water which will save on the bills.
When choosing the area for your toilet, one of the most important things is to make sure that the space you have is enough to fit the unit without any restrictions. For instance, if there is a dip in the floor for example, right near the toilet, then you may be in for a bigger problem than you thought. Thus, it is always recommended to have a professional check before trying any of the how to Shim a Toilet DIY ways described in any of the guides.
It would be worse not to do it when you don’t need it than when you do. New toilets are very durable and very effective. It should also be noted that safety should not be compromised even for quick fixes. It will also increase the property value of your home of a good strong modern toilet. If you are not sure, then you should speak to a plumber and ask if it’s possible to put a toilet together with shims, or if it needs to be completely replaced.
Upgrade to a Stable, High-Quality HOROW Toilet
Buying a HOROW toilet will prevent your toilet from rocking from the beginning. These toilets are designed to stay put – they are not a band-aid like many DIY jobs or quick fixes. It addresses the issue of wobbling at its source, making bathroom repairs hassle-free.
T38
The HOROW T38 Bidet Combo Toilet comes with a sleek and modern design for any bathroom and has a built-in bidet system, mood lighting, and a soft close seat for added comfort and convenience and for a 12-inch rough in. If it wobbles though, just shim it; to do that, identify the gaps, insert shims for stability, tighten the bolts and then seal with caulk for a secure fit. Knowing How To Shim A Toilet correctly can help prevent unnecessary wobbling. Step up to the HOROW T38 for a cleaner, more comfortable bathroom experience!

T36
The HOROW T T36 Black Smart Toilet comes with a built in bidet seat, adjustable water temperature and a soft close lid, making it a luxurious addition to any bathroom. Being designed for a 12 inch rough in, it fits perfectly and if very slight adjustments are required, how to Shim a Toilet is quite easy – all that is required is to insert shims under the base, tighten the bolts and caulk to make it stable and secure. Step up to the HOROW T36 for a modern, hassle free bathroom experience!

T05
Step up your bathroom game with the HOROW T05 Bidet Toilet Combo – a heated elongated seat, built in bidet, and adjustable water settings for the perfect comfort and cleanliness. Being very easy to install, it should fit most standard installations, and if the floor is not quite even, how to Shim a Toilet will make it stable—just put shims under the base, tighten the bolts, and use caulk to seal for a wobble free fit. Upgrade to the HOROW T05 and make bathing a real luxury!

FAQ
1. What are toilet shims?
Toilet shims are those small wedges, of plastic or rubber usually. They are used to level and stabilize a wobbly toilet. It is because of uneven flooring or any other issue.
2. Why is it important to shim my toilet?
Stop leaks, save your floors from damage, and extend the life of the seal by shimming your toilet. A stable toilet makes your bathroom safer, and one that shifts around is a pain to deal with.
3. How can I tell if my toilet needs shimming?
If your toilet has a rocking or shaking foundation, or if you can see some gaps between the base of the toilet and the floor, then it needs shimming. The following is a step by step guide on how to go about Shim a Toilet in the right manner.
4. What materials are best for toilet shims?
Good materials are plastic, rubber and composite that are not only durable but also water proof. It is wise to go for shims that are to be used in the bathroom.
5. Can I shim my toilet myself?
Yes, you can! If you have the right tools and instructions, you can do it in less than an hour and it is easy to find out how to shim a toilet.
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