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What Adhesive Should You Use for Toilet Installation?

10/02/2025 | Hawkrown

When installing a toilet, proper sealing is crucial. To achieve a good seal, you need to use adhesive. Let's take a look at what kind of adhesive should be used for toilet installation.

What adhesive is used for toilets:

You can use silicone sealant, specifically neutral white or transparent silicone sealant. Before applying the silicone, make sure to clean the edges of the toilet thoroughly, ensuring they are dry and free from moisture and dust. Apply the silicone evenly along the edges of the toilet, and wait for it to dry and harden before using the toilet.

Installation considerations for toilets:

1、Check the floor level and make adjustments carefully. Once you have purchased a toilet of the right size, you can begin installation. Before installing the toilet, perform a comprehensive check. Inspect the drainage pipes for debris like mud, sand, or paper. Ensure that the flooring at the installation site is level. If the floor is not flat, you must level it before installing the toilet. The drainage pipe should ideally be kept short, and if conditions permit, it should be 25mm above the floor.

2、After the toilet is installed, wait for the silicone or cement mortar to harden before using it. The curing time is typically 24 hours. If a non-professional is installing, they may use cement to fill gaps, which is absolutely not advisable, as it can hinder the fixation of the toilet seat. Over time, the weight of the cement may lead to cracks at the bottom of the toilet, making repairs difficult.

3、After installing the tank components, ensure there are no leaks. First, check the water supply pipes by rinsing them for 3-5 minutes to ensure they are clean. After that, connect the angle valve and soft hose, and connect the hose to the water intake valve of the installed tank components. Check for proper sealing in the water supply pipes and valves, and ensure that the position of the drainage valve is functional and not blocked.

In summary:this brief introduction covers the adhesive used for toilets and important installation considerations. I hope you now have a better understanding. For more information on this topic, feel free to visit Hawkrown for further reading.

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