How Long Does Grout Take To Dry In A Shower

How Long Does Grout Take To Dry In A Shower?

Grout is a vital part of any tiled shower. It helps to seal the gaps between the tiles, preventing water from seeping through and potentially causing damage to the underlying surface. However, when it comes to grouting, one of the most common questions is how long it will take for the grout to dry. The drying time can vary based on a range of factors, including the type of grout, humidity levels, and temperature. In this article, we will explore everything you need to know about grout drying time in a shower.

How Long Does It Take Grout To Dry?

The amount of time it takes for grout to dry in a shower can vary depending on several factors. Some types of grout require more time to dry while others dry faster. Moreover, the temperature in the room and the level of humidity can also affect how long it takes for the grout to dry.

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In general, it typically takes between 24 to 48 hours for grout to fully dry in a shower. However, this can vary depending on the type of grout you are using. For example, some grout types such as epoxy and urethane can dry faster, as little as 4 to 6 hours. On the other hand, cement-based grout can take longer to dry, usually taking anywhere from 12 to 48 hours.

Factors Affecting Grout Drying Time

Several factors can affect how long it takes for grout to dry in the shower, including:

Grout Type

The type of grout used is one of the most significant factors influencing how long it takes for grout to dry. There are many types of grout, such as cement, epoxy, urethane, and more. Each of these grout types has different drying times, and some take longer to cure than others.

Humidity Levels and Temperature

Humidity level and temperature can also affect the drying time of grout. When the humidity level is high, drying time may take longer than usual, while lower humidity can lead to faster drying time. Similarly, temperature can have a significant impact on the grout’s drying time. Warmer temperatures typically promote faster drying, while colder temperatures have the opposite effect.

Water Content

The water content in the grout mix can also affect the drying rate. If the grout mix is too wet or if water is still pooling on the grout surface, the drying time may be extended.

Tips to Speed Up Grout Drying Time

If you’re short on time and need to speed up the grout drying process, several tips can help:

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Use a Dryer

You can use a hairdryer or fan to speed up the grout drying process. This will help to evaporate moisture from the surface area and increase airflow, both of which can help promote faster drying.


Using a dehumidifier can help lower the humidity level in the room, which will promote faster drying.

Increase the Room Temperature

Increasing the room temperature will also help to promote faster drying by speeding up the evaporation process. Keep in mind, however, that overly hot temperatures can cause the grout to crack.

Use a Fast-Drying Grout

If you’re in a rush, consider using a fast-drying grout. These grouts are specifically designed to dry faster than other grout types.


Can You Walk On Grout After It’s Been Applied?

You should avoid walking on newly applied grout for at least 24 hours. Even after that, you should refrain from placing heavy objects on it for at least three days. By doing so, you’ll help ensure that the grout fully cures and hardens.

How Long Should You Wait Before Using the Shower After Grouting?

After grouting, you should wait at least 24 hours before using the shower. Additionally, it’s a good idea to avoid allowing the area to get wet for at least 72 hours.

What Can Happen If Grout Doesn’t Dry Properly?

If grout doesn’t dry correctly, it can lead to several problems. One of the most significant issues is mold and mildew growth, which develops in moist, damp areas. In severe cases, poorly dried grout can cause structural damage to floors and walls by weakening the underlying substrate.

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Does Grout Continue to Dry After It’s Sealed?

Yes, grout can continue to dry after it’s sealed. Even after the grout has been fully sealed, moisture can still escape, allowing the grout to continue to dry.

How Can You Tell If Grout Has Dried Completely?

There are several ways to tell if grout has dried completely. One way is to press firmly on the surface of the grout. If it feels hard and solid, it has likely cured. Alternatively, you can use a moisture meter or a humidity sensor to test the moisture levels in the surrounding air or on the grout surface.

Can You Speed Up Grout Drying Time By Adding More Cement?

Adding more cement to the grout mix will not speed up the drying time. In fact, doing so can actually have the opposite effect by increasing the amount of time it takes to dry. When it comes to grouting, it’s essential to follow the manufacturer’s recommended mix ratios and drying times.


Grouting is an essential finishing touch that helps keep water from seeping through the gaps between tiles in showers. Proper drying time is crucial to ensure that the grout cures and hardens fully, which can prevent issues down the road, such as mold and mildew growth and more severe structural issues. By following the tips and techniques outlined above, you can choose the right grout type and speed up the drying process to ensure your shower is both functional and long-lasting.

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