Narrow gaps and hard-to-reach places between slab joints and paving stones are easier to clean with a joint brush. In particular, moss and other green growth can be efficiently removed with such a device. Joint brushes are indispensable tools in the garden and a practical addition to the joint scraper. You can find out what types of joint brushes there are and what you should pay attention to when buying and using them by reading this guide.

Our recommendations

WOLF-Garten - Joint brush multi-star FB-M NEW 2022-2023, red, 20x3.5x20 cm; 71AAA020650
EUR 8.75 To the productmaterial | Metal bristles |
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working width | 9 centimeters |
height and length | 20 x 20 centimeters |
Weight | 240 grams |
stalk | without handle, but fits all handles of the Multistar series |
This joint brush with metal bristles belongs to the Multi-Star series from Wolf-Garten, which is why all handles from this series fit on the device. Moss, grass and even root weeds can be easily brushed out with the hard metal bristles, and the model is very efficient even in gutters and on wall corners. The narrow joint brush fits into narrow and tightly angled joints, the reviewers also report a high level of durability and robustness. With the right handle, this work can be carried out comfortably while standing, and users also report that they have also used the device for larger areas of up to 150 square meters. The brush heads can be replaced if necessary, you can easily get replacement heads from the manufacturer.

Fiskars joint brush with additional scratch blade, device head, length: 18.5 cm, width: 15 cm, steel bristles/glass fiber reinforced plastic frame, black/orange, QuikFit, 1000657
19.34 EUR To the productmaterial | steel bristles |
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working width | 15 centimeters |
height and length | 4.5 x 32.5 centimeters |
Weight | 160 grams |
stalk | without handle, but fits all handles from the QuikFit series |
This mechanical joint brush from the Quik-Fit system from the manufacturer Fiskars can also be combined with all handles of the same system. Together with the matching long handle, you can easily clean pavement and slab joints while standing. According to reports from Amazon customers, this tool is mainly suitable for wide joints and cleans them quickly and powerfully thanks to the hard steel bristles. Stubborn dirt or weeds can be efficiently removed with the additional scraper blade. The rigid bristles are therefore not only suitable for removing moss, but also for stubborn grass and root weeds. The only disadvantage is that, unlike the Wolf-Garten model, there are no cheap replacement brush heads to buy.

Grizzly electric joint brush EFB 403, joint cleaner against weeds in a set with 4 brushes
74.93 EUR To the productmaterial | 4 brushes in a set, made of metal and plastic |
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working width | round, diameter 100 millimeters |
height and length | - |
Weight | 2.6 kilograms |
stalk | telescopic handle |
extras | 230 volts, 400 watts, splash guard |
The Grizzly electric joint brush works with two interchangeable brushes made of metal and plastic and has an output of 400 watts. The device, which can be conveniently operated while standing, is suitable for almost all surfaces. The brushes can be easily replaced thanks to the quick release and without additional tools. Moss and grass are thoroughly removed, but according to reports from some Amazon customers, there are problems with the removal of stubborn root weeds. On the other hand, larger areas and stones that have been laid at great angles can be cleaned effortlessly. The high volume is also described as a disadvantage, but this is perceived by many users as less serious in view of the other advantages and the effortless handling.
Purchase Criteria
scope of application
Joint brushes are practical and indispensable tools for cleaning paved or otherwise paved surfaces outdoors. However, you should definitely take a close look at the purchase to determine the purpose for which the model you are targeting is intended. The term also sells brushes intended for cleaning tile joints. However, these are not suitable for use in the garden because they are too small, too narrow and simply made of a material that is too soft. Instead, you should purchase garden weed brushes specifically designed for cleaning paving or slab joints.
Mechanical, electric or battery?
Mechanical joint brushes are very popular, after all, they are unbeatably cheap to buy. However, their use is tedious, especially on larger areas, since you have to remove all coverings and vegetation by hand. This not only requires strength, but also costs time. Electrically or battery-operated models can help here, since you practically only have to walk over the area to be worked with such a device. When buying such a device, make sure it has sufficient power and a longer battery life - the higher the specified wattage, the cleaner the result!
material
When they hear the word “brush”, many people think of soft bristles and wonder how weeds can be removed with them. Joint brushes should have as hard, rigid bristles made of metal (e.g. steel) as these not only remove moss and other soft growth, but also pull out stubborn root weeds. However, if your problem does not consist of growth that is difficult to remove, but only dirt deposits and a green tinge, then plastic bristles make more sense. The latter are also used for sensitive materials that can easily be scratched.
replacement brush heads
Metal brush heads naturally wear out sooner or later - depending on the make and frequency of use. Even plastic bristles are not immune to wear and tear, so you'll either need to buy a new grout brush occasionally - or simply order replacement brush heads. Some manufacturers offer this replacement, which is particularly useful for expensive cordless or electric joint brushes. But even mechanical joint brushes do not have to be thrown away immediately if you only have to replace the brush head - as is the case with the manufacturer Wolf-Garten, for example. Not only your wallet, but also the environment. However, not all makes can be exchanged.
stalk
Joint brushes with long handles have proven to be practical and easy on the back, as you can use them to work standing up - and don't have to kneel and slide around on the garden path. Sometimes, however, working with a short handle is necessary, for example when you can clean corners that are otherwise inaccessible. It is therefore best to buy a grout brush whose handle you can change as needed. The interchangeable systems from various manufacturers, such as Multi-Star (Wolf-Garten), QuikFit (Fiskars) or Combisystem (Gardena), are ideal for this purpose.
youtubefrequently asked Questions
What are grout brushes?
Joint brushes are narrow brushes with metal or plastic bristles that are used to clean dirt, debris, moss and other green growth and weeds from the joints between paving stones or slabs. There are also special joint brushes that are specially designed for cleaning tile joints in the bathroom or kitchen.
Should the bristles be metal or plastic?
The question here is less about "What is better?" and more about "What do I want to do with the joint brush?". It is better not to use metal bristles for sensitive surfaces such as tiles or wood or sensitive natural stones such as marble, as they leave unsightly scratches. Stubborn weeds, grasses and other growth that is difficult to remove can be removed more easily with metal bristles. Replaceable brushes are therefore useful.
Which is better, joint scraper or joint brush?
Here, too, the question of "What is better?" does not really arise, because the use of the respective tool depends on the application and the area to be worked on. In addition, joint scrapers and joint brushes are not opposites that are used either - or, but can instead complement each other. A paved surface can be worked on with the joint brush, while you also use the joint scraper for stubborn dirt or growth that is difficult to remove.
Which brands and manufacturers are particularly recommended?
In principle, joint brushes from well-known manufacturers such as Fiskars, Wolf-Garten or Einhell are recommended. With these you acquire high-quality products that fulfill their purpose and are robust and durable. Joint brushes are not only available from the three manufacturers mentioned, but also from Gardena or Gloria. The latter offers a proven electrical system with the Gloria Weedbrush.
How much does a good joint brush cost?
You can get a high-quality mechanical joint brush from well-known manufacturers for less than ten euros. If, on the other hand, you want an electric or battery-powered joint brush, you have to dig much deeper into your pocket. These devices cost between around 50 and 80 euros, depending on the manufacturer and the quality.
equipment
joint scraper

Fiskars Small Weed and Moss Scraper Length 13.3" Black/Orange High Quality Steel/Plastic Xact 1027045
12.99 EUR To the productJoint scrapers are the ideal complement to the joint brush. With these devices you can remove even the most stubborn dirt and firmly rooted weeds.