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Removing grout - everything you need to know

Remove grout - Improve your aesthetics and effectively prevent possible mold growth

Difficulty: Easy | Costs: approx. 20-30 euros | Workload: approx. 10 minutes

Why should you remove grout?


Grout plays an important role in the appearance and functionality of tiled surfaces. However, over time, the grout can become dirty, stained, or just plain unsightly.

In such cases, it is advisable to remove the old grout and replace it with a new one. The tiles regain a fresh and clean appearance.

mold growth

Picture of a shower with mold in the tile joint

Accumulating moisture is the most common cause of mold growth between tile joints. Mold is not only unsightly, but also harmful to health.

The removal of prone grout is necessary to prevent or eliminate mold growth.

Methods for removing grout

Without the use of machines

The easiest way to remove grout is the manual method using tools such as a spatula, chisel, or screwdriver.

Please follow the steps below:

  1. Protect the tile surface with masking tape or an old towel to avoid possible scratches.

  2. Use a suitable tool to carefully remove the grout from the joints. There are special joint scrapers, but a spoon will do, too.

  3. Scrape the old tile grout out of the joint bit by bit.

  4. Be careful not to damage any tiles while removing the grout.

chemical methods

In some cases it may be necessary to use chemical products to remove the grout. However, extreme caution is required here, as these products can damage the tile surface.

Be sure to follow the manufacturer's instructions including protective equipment.

electric tools

For larger projects or where grout is stubborn, power tools such as a gouging tool or oscillating multi-tools can be used. These make work easier and increase efficiency.

Our tip: An angle grinder with a diamond cutter can be an inexpensive choice (from €14.90) for this project.

Tips for grout removal


Before you begin grout removal, here are some precautions you should take:

  1. Wear safety goggles, gloves, and hearing protection if necessary.
  2. Work carefully and evenly when removing the grout

Freshen up feet

Do-it-yourselfer renewing tile joints after removing the grout

After the old grout has been removed, it must be applied again:

  1. Thoroughly clean the tile grout to remove any residue.

    My tip: Use an old brush to get even the smallest residue out.

  2. Prepare the new grout according to the manufacturer's instructions.
  3. Apply the grout with a suitable tool.
  4. Allow the grout to dry and remove excess material with a damp sponge or cloth.

    My tip: mix the water with some washing-up liquid. The chemical mixture helps you to create a finer overall picture.


Grout removal can be urgent for both aesthetic and health reasons. There are several methods to remove grout, ranging from manual to power tools.

After removing the old grout, the surface should be thoroughly cleaned and grouted with new grout.

Frequently Asked Questions (FAQ)

Can I remove grout without damaging the tiles?

Yes, if you are careful and cover the tiles to protect them. This allows you to remove the grout without damaging the tiles.

What tools are best for removing grout?

Choosing the right tool depends on the size of the project and the type of grout. Manual tools like spatulas and chisels are fine for smaller projects, while power tools like gouging tools are far more efficient for larger projects.

Can I use chemical products to remove grout?

Yes, there are chemical products that are specifically designed and can be used to remove grout. However, be sure to follow the manufacturer's instructions and follow all protective measures. Chemical agents can not only damage the tile surface but also attack your skin.

How long does it take for the new grout to dry?

The drying time for grout varies depending on the product and the existing room conditions. The drying time is usually between 24 and 48 hours.

How can I prevent mold from forming in the joints again?

To prevent mold from forming in the joints, you should clean your tiles regularly and ventilate the bathroom well after showering.

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