About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

STEIGNER
Brush seal

Manufacturer’s product description

The STEIGNER brand brush seal is a self-adhesive seal for doors and windows. With its extra-strong adhesive surface, the STEIGNER self-adhesive brush seal ensures quick, easy installation and a secure hold – without any drilling or screws. The flexible brush, with a base width of approximately 6.9 millimeters and a brush height of 12 millimeters, is ideal for sealing cabinets, drawers, windows, and garage doors. Thanks to its fine polypropylene bristles, the sealing brush effectively protects against dust, drafts, and noise. It prevents the penetration of cold, heat, moisture, dust, and insects and contributes to thermal insulation – ideal for saving energy and reducing heating costs. It also provides reliable service in furniture construction, for example to reduce noise from roller shutters or cabinet doors. The door brush adapts flexibly to any surface and impresses with its resistance and durability – suitable for indoor and outdoor use. Installation is quick and easy: simply cut to the desired length, remove the adhesive backing, and stick it on.
The product is available in five colors (white, beige, brown, gray, and black) and in various heights and lengths – for tailor-made solutions and quantities to suit your needs. Manufactured in the EU.

In practical tests, this product impressed with its easy installation and effectiveness.

  • Easy application
  • Fine bristles
  • Suitable for a wide variety of surfaces
  • Product packaged in plastic

First impression

Packaging and contents

Here we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course be ensured. Is the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here, we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, sufficient protection of the product must of course be ensured. Is the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Cardboard is sturdy, product adequately protected

100

Points

Sustainability of packaging

The plastic film protects the product components

80

Points

Package contents & scope

Complete

100

Points

Instructions

Product is self-explanatory

100

Points

TOTAL

95

Points

Weighting: 20%
*The maximum number of points is 100

This product was delivered in a plastic bag.
It would be desirable for the manufacturer to switch to a more environmentally friendly packaging option as a replacement for plastic.
In addition to the seal, the product includes a sheet with safety information in various languages.
Instructions for use are not included, but are not necessary.

First impressions

Product workmanship and appearance

Before we move on to the practical test, we take a close look at the workmanship of the products. How high-quality are the materials used? Are the feel and appearance satisfactory?

Before putting it to the practical test, we take a close look at the workmanship of the products. How high-quality are the materials used? Are the feel and appearance satisfactory?

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Visual appearance

Appealing design

100

Points

Workmanship

Very good workmanship

100

Points

Stability

Very stable

100

Points

Sustainability of the product

No information

80

Points

TOTAL

95

Points

Weighting: 20%
*The maximum score is 100 points

When you pick up the product for the first time, you immediately notice the even bristles.
The bristles feel pleasant and very dense.
An initial examination of the adhesive surface revealed that the adhesive strength on the back of the bristles is very strong. It can therefore be assumed that the product can be attached and adhered well.
It can also be assumed that the product can be shortened as needed by simply cutting it to size with scissors.
Overall, this product makes a positive first impression.

This is what our practical test revealed

Does the manufacturer deliver on its advertising promises?

Our practical test is the most relevant and therefore has the highest weighting. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

Our practical test is the most relevant and therefore carries the most weight. Here, the product must undergo a wide range of criteria and tests. We check the functions and product promises of the test item.

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Fit

Suitable for a wide variety of surfaces and household items

100

Points

Adhesive strength

Very good adhesive strength

100

Points

Air tightness

Guaranteed

100

Points

Resistance to repeated opening and closing

Remains undamaged

100

Points

Easy removal without residue

Easy removal without any problems

100

Points

TOTAL

100

Points

Weighting: 45%
*The maximum score is 100 points

This brush seal was subjected to a thorough practical test.
In terms of fit, it can be said that the seal is ideal for doors, windows, and even drawers.
When testing the adhesive strength, it was noticeable that the product adheres very strongly to surfaces such as wood or plastic. Very good, even adhesive strength was observed over the entire length of the product.
After closing the window, it was found that the draft at the bottom of the window decreased significantly after installing the brush seal, ensuring that it was airtight.
Repeated opening and closing of the windows and doors did not affect the product in any way.
If the product needs to be removed from a specific location, it can be removed without leaving any adhesive residue, and it is no longer apparent that a brush seal was attached.
In practical tests , this product proved impressive thanks to its easy installation and effectiveness.

Test plan

A detailed overview of the evaluation criteria for the practical part of the test and the distribution of points can be found here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and consumer reviews

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend purchasing it?

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Price/performance ratio

Very good performance in the upper price segment

70

Points

TOTAL

70

Points

Weighting: 15%
*The maximum score is 100 points

Prices of up to €17.00 are charged online for equivalent products. Very inexpensive products are available from as little as €9 . 00 . The STEIGNER brush seal is therefore currently in the upper price segment at €15.29. The price/performance ratio is very good for the quality and performance obtained.

Overall result

1. Packaging & content

20

95

Points

2. Product processing & appearance

20

95

Points

3. Practical test

45

100

Points

4. Price/performance ratio

15

70

Points

TOTAL

94

Points

*The maximum score is 100 points

Brush seal
 of the brand 
STEIGNER
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
08/25
and is stored in our database under the licence number
250611001
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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Car & Motorcycle
Clothing
Garden
Baby & Child
DIY store
Home & Living
Sport & Leisure
Household
Outdoor
Pets
Bathroom
Technology