How Long After Tiling can you Grout (And Why)?

Exact Answer: 24 hours

When we find any cracks or cavities in any kind of concrete, masonry structure, we inject a dense fluid into them which then fills the gaps between them. This fluid is known as grout and the process is called grouting.

The components of the grout are made up of sand, cement, and water. But in some cases, specialized chemicals are used instead of water for the grout mixture. This fluid then fills the gaps for soil stabilization as well as for waterproofing.

In some instances, the process of grouting is done to the foundation of a heavy structure to give additional strength to the building’s foundation.

How Long After Tiling can you Grout?

ObjectiveTime Period
Time for grouting after tiling24 hours

When we consider thinset mortar, it sticks tiles to floors, backsplashes, countertops, and walls. It should not be walked on or disturbed at any point of the drying process, as doing so should motive a critical misalignment of the tiles you laid. This could bring unwanted trouble that could be hard to fix. Hence, it is better to permit it to dry well before grouting. Drying time relies upon the way you blended the thin-set, the tiling method, the humidity, and the temperature.

Now when we consider the thinset mortar’s consistency, we should always follow the instructions of the manufacturer who makes them. This is because if we don’t mix the mixture according to the proper consistency, it could be sloppy and runny at times. Sometimes it could be stiff too. The right way is to take the hold of its ridges and spread it.

The most important thing to take note of is that the thinset mortar should be completely dry before grouting. By doing so we can ensure that the grouting process is executed flawlessly.

The most appropriate time to grout after tiling is 24 hours. But it is better and safe to grout after 48 hours as by this time the thinset mortar could have set completely properly. In some cases, we can notice that the edges of the thinset or the thinset as a whole showing through the grout look completely dry. This could mislead many people as in this case, the thinset under the tiles is not receiving as much air as its edges and hence is not fully cured.

Why Does it Take Long After Tiling to Grout?

The time duration for grouting after tiling is needed so that the mortar is completely cured. Because only when the mortar is cured, it will be an effective adhesive.

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When we properly do this, the tiles that are laid will be durable. In case the mortar is not cured properly, then it will affect the grouting as it tends to crumble and crack which in turn makes the tiles lose and have their lifespan reduced.

Another thing to be concerned about is that when we grout soon after tiling, the presence of water in the mortar can directly affect the grouting process. Because of this, it can lead to efflorescence and shading.

In some cases, grouting can be done on the same day. This can be done by using a rapid set thinset. This thinset is used to make the mortar curing process faster and efficient. This is also a bit expensive than a regular thinset.

Many common grouting mistakes can arise during the process of grouting. Some of them include not using waterproof grout, taking long hours of waiting to grout, walking on a freshly tiled surface, and making mistakes in making the mix ratio.

Many people do not use waterproof grout to cost cut on their plan. But it is strongly advised to use waterproof grout as it can last in the long run.

In another case, when we wait too long than instructed in grouting, it can cause the mortar to set completely thereby causing irreversible damage.

Also, it is important to know the perfect ratio to mix the grout with water. This is because too much water can cause the grout to be loose or runny. If the water is not adequate then the mixture can become powdery and dry.


The process of grouting should be strictly followed in the process of tiling. By doing so the lifespan of the tiles, as well as the mortar, is increased. Many other benefits are there which include them being waterproof so that they can be used in bathrooms.

This process can be done on any ground surface. Since they stack properly, they do not vibrate and structural damages do not happen at all. They are also used in leveling the ground surface. Many other uses of them include it being used to control seepage, waste flow, etc.

The benefits of this process are so much that more and more people nowadays look forward to grout after they finish the tiling process.



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