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How to Seal Your Toilet Properly: Recommended Sealants and Tips

08/01/2025 | Hawkrown

When installing a toilet, it's important to apply a layer of silicone sealant at the bottom to better secure the toilet. Let's take a look at what kind of sealant is used around the toilet.

What kind of sealant is used around the toilet

You can use white cement and professional silicone sealant, both of which are good adhesive materials. However, compared to silicone sealant, white cement is not as effective in sealing and is not a professional material for sealing toilets, so it has gradually fallen out of favor. Most of the time, silicone sealant is used due to its strong adhesive properties, resistance to mold, and good waterproofing, making it commonly used in bathrooms. It can also be used for installing mirrors on walls and for sinks.

How to install a toilet

1、The steps for installing a toilet are quite important; if the toilet is not installed properly, it will affect daily use. Before installation, you need to calculate the size of the installation area and measure it accurately in order to purchase a toilet of the appropriate size. It is also essential to measure the distance from the floor drain (called "坑距" in Chinese); if the size does not match, it will affect the installation.

2、Next, check the sewage pipe of the toilet, which is a critical component. Ensure there are no blockages inside, and also check if the installation location is level. The floor must be level before installation.

3、Once the toilet installation is completed, it must be securely fastened. Usually, silicone sealant is applied at the bottom to firmly secure it. During installation, the gap between the toilet and the wall should be controlled properly; if the gap is too large, it may collect dirt and grime.

4、The flushing performance of the toilet is very important, so after installation, check the flushing efficiency to ensure everything flows smoothly, and that the flush button operates freely.

5、The water tank is also a critical part, so make sure to check that it fills with water properly. If the water fills slowly, it can affect the flushing performance. When connecting the water pipes, also check for leaks to ensure everything is watertight.

In summary:the above is related to what kind of sealant is used around the toilet. I believe everyone understands it now! Installation of the toilet is quite important, so it's recommended to hire a professional for the installation.

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