Last updated: August 25, 2021

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The removal of a clean and even grout not only looks great, but also serves hygiene in the household. It doesn't matter whether it's in the shower, between the tiles or in the kitchen sink area, with the help of a grout smoother, you can achieve professional grout removal.

There are areas where using a spatula or even your thumb can lead to poor and uneven results. Such a trowel is available in numerous designs such as: Set with different profiles, sizes, colours and angles. For this product comparison, different models are compared and the most important aspects are worked out.

The most important facts

  • Trowels are not only used for smooth surfaces, but also for hygiene.
  • The possible uses of such a trowel are very diverse.
  • Trowels are available in a wide variety of designs.

The Best Grout Trowel: Our Picks

Buying and evaluation criteria for joint trowels:

In order to find the right trowel, we have worked out some buying criteria for you, which you should pay attention to when making a purchase. The purchase criteria we have worked out are intended to give you a comparison of the individual trowel models and make it much easier for you to choose a product.

Set size

A set like this can be very practical for some people. With the trowels, you can individually adjust the joint width. This gives you the possibility to choose from a variety of joint variations (set).

Application area

The application possibilities of such a joint trowel are very diverse. Depending on the model, you can use a joint trowel in the following areas: Bathtub, washbasin, shower cubicles, door frames, window frames, kitchen and sealing work on corners and edges.

Edge profile

In order to reach certain edges and corners with the joint trowel, special edge profiles with the most varied chamfers, radii and angles are required. You should therefore think in advance about the extent to which you want to have restricted/unrestricted access to the certain working area.

Sealing material

Which material do you want to use? You can use a wide range of sealants with the trowel. The following materials may be suitable: Silicone, acrylic, MS polymer, resin, mortar and many more....


You should also pay attention to the type of material and the coating. As a rule, you work with a joint trowel with a wide variety of materials that can have an influence on durability and quality. Mostly such sealants contain a small amount of acidic substances which are harmful for humans as well as for the material. When buying such a trowel, you should therefore pay attention to the material and the coating.

Shopping Guide

In the following, we would like to answer all relevant questions on the subject of joint trowels. In this way, we would like to give you a deeper insight into the subject of joint trowels.

What is a trowel and what is it used for?

A joint trowel is a tool. The joint trowel is also known as a silicone scraper, silicone trowel. Compaction of joints ensures that moisture does not get into the substrate of the object and the risk of mould growth can be reduced. The grout must be applied without gaps to ensure maximum protection.


Grouting specific areas, make hygienic and clean connections. It prevents moisture from getting into the substrate and mould from forming. Temperature fluctuations and moisture cause expansion cracks in the cement. (Image source: Niklas Schweinzer / Unsplash)

Such protection can only be guaranteed with the help of a joint smoother. The sealing material is spread cleanly and evenly on the respective surface with the help of the joint trowel and ensures a visually good and hygienic result.

What types of joint trowels are there?

There are a large number of joint trowels with a wide variety of designs. Depending on which set (or no set) you choose, there are different angles and radii with which you can process the most diverse materials and corners/edges. The sealing edge size for joint trowels ranges from 0 mm to 28 mm (edge profile). For the round profiles of the trowels, the range is between 5 mm and 14.5 mm.

The trowel material can be made of, for example: Silicone, plastic, elastic TPU plastic and wood. The sealing material to be used for the trowels plays a very important role in suitability and durability. For example, materials such as: silicone, acrylic, resin mortar and MS polymer can be processed with the respective joint trowels.

How do I get the trowel clean again?

If you handle the sealing tool very well, you can use the joint trowel repeatedly (durable and reusable). The tool should always be kept damp when working. In the case of acrylic, simply use water for this purpose and do not use washing-up liquid.

When the tool is fresh, a simple damp cloth should be sufficient for cleaning. Dried-on residues can be removed either mechanically or with a silicone remover. Solvents should be avoided completely because of the durability and subsequent quality of the joint trowel.


Working with a joint trowel gives you a clean and visually good result. If the grout gaps are not evenly distributed, air pockets will form and can lead to mould growth. There are a large number of different tools that can be used depending on your needs.

It does not matter in which area you use this tool, because with a joint trowel you achieve a professional finish. When buying a trowel, you should think about how you want to use this tool. Important purchase criteria for this product could be set size, area of application, material, sealing material and edge profile.

Image source: Optical Shades Media Sangroha / Unsplash

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