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 material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

CSK Team
Flat sheet

The flat tar paulin from the CSK brand made a very good impression in the test.
The tarpaulin for the Stema trailer is robust, durable and available in many colours. The PVC tarpaulin is sourced from a German manufacturer and is available in high-gloss colours.
The tarpaulin is stitched at the corners and all seams are welded. The accessories consist of tension cords, tension clamps and round buttons and are supplied in black. Optimum coverage is guaranteed by the positioning of the round eyelets on the expander rope. The eyelet spacing is 36 cm at the front and 40 cm along the trailer.
We recommend the flat tarpaulin to all trailer owners who are looking for a high-quality cover for their trailer.

Advantages

✅ Simple design
✅ High level of customisation possible
✅ Three-year guarantee
✅ Family-run German company

Disadvantages

❌ Use of PVC bag as packaging

The first impression

The packaging and labelling

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be ensured.

CriterionRemarkPoints achieved*
Product protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingItem was packed compactly – but PVC bag used, which is not sustainable80 points
Product labellingLabelling available100 points
MiscellaneousHigh-quality packaging, also suitable as a gift100 points
Total95 points
Weighting: 10%
*The maximum score is 100 points
Verpackung der Flachplane
Packaging of the flat tarpaulin

The CSK brand flat cover arrived for our test in the typical shipping box, so it was easy to open by removing the adhesive strip and was delivered undamaged.
The box contained the flat tarpaulin with an assembled cable pull, round buttons and operating instructions.
Unfortunately, a PVC bag was used when packaging the product to prevent soiling. In this case, the product was completely protected and the flat cover was therefore in perfect condition.
Unfortunately, the packaging of the flat tarpaulin is not completely recyclable.
The first impression is very good, as neither the product nor the packaging used was damaged.

After unpacking

Package contents and instructions

ℹ️ Most people’s first impression after unpacking is immediately memorable. Are the contents of the pack complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkPoints achieved*
Package contents & scopeFlat tarpaulin, cable pull, round knobs and operating instructions100 points
Instructions for useInstruction manual available100 points
Contact informationCan be found on the box100 points
Total100 points
Weighting: 10%
*The maximum score is 100 points

After unpacking, the flat cover with a mounted cable pull, round buttons and operating instructions were on the workbench.
The use of the flat cover is easy to understand thanks to the operating instructions supplied and it fits easily to the trailer.
To contact customer service, an email and a telephone and mobile phone number are provided on the packaging.
All in all, this is a good way to ship a product.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the product processing. How high quality are the materials used? Is the look and feel satisfactory?

CriterionRemarkPoints achieved*
Visual appearanceVery good visual appearance100 points
ProcessingGood workmanship, no edges or defects100 points
StabilityProduct appears stable and rigid100 points
Sustainability of the productNo information on sustainability, but the use of high-quality materials suggests longevity72 points
Total93 points
Weighting: 20%
*The maximum score is 100 points
montierte Flachplane
Mounted flat tarpaulin

The CSK brand flat tar paulin makes a good visual impression in the test.
The tarpaulin looks very well made and there are no flaws or other manufacturing defects. The simple design impresses the user and contributes to easy load securing.
The product impresses with its relatively high weight and sturdy workmanship. The customer is supplied with a high-quality flat tarpaulin, which can be of great service to the customer.
Unfortunately, there is no information about sustainability on the Amazon product page or on the packaging. Due to the high-quality materials used, we also assume a long service life.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test is the most relevant and therefore the most important. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkPoints achieved*
Sustainable processingEdges are welded and reinforced90 points
Premium materialsPVC and robust elasticated band95 points
Ideal fitSuitable for trailers measuring 201 x 115 cm – customisation possible by contacting the manufacturer100 points
Seat and waterprooffirmly seated and impermeable to water95 points
UtilisationInstructions available and easy to understand95 points
Total95 points
Weighting: 40%
*The maximum score is 100 points

We have tested the flat tarpaulin for the Stema trailer and are very satisfied with the result. The tarpaulin measures 2.08 x 1.15 x 0.06 and therefore fits perfectly on the trailer.
The wide range of colours available at no extra charge is particularly positive. We were able to choose an appealing colour combination that gives our trailer a personal touch .
The material of the tarpaulin is robust and durable, it is Polymar traffic with a weight of 680 g/m² in high gloss. We have found that the material is very weather-resistant and does not deform or tear even under heavy use.
The workmanship of the tarpaulin is of high quality. Thesewn corners and welded seams give the tarpaulin additional stability and security. The pre-assembled accessories make it easy to fit to the trailer.
Overall, we can recommend the flat tarpaulin for the Stema trailer without reservation. Its customisability and high quality make it a worthwhile investment for every trailer owner.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we look at how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also analyse consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioreasonable price-performance ratio70 points
Rating cutNot rated, as there are still too few customer reviews
Total70 points
Weighting: 20%
*The maximum score is 100 points

Prices of up to €134.99 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as € 28.99. With a price of € 80.00, the CSK brand flat tarpaulin is therefore in the upper price segment in our test. The price ratio is reasonable for the quality and scope of services offered.

Overall result

WeightingScore achieved*
1. packaging & labelling10%98 points
2. package contents & instructions10%100 points
3. product processing & appearance20%93 points
4. in the practical test40%95 points
5. price/performance & consumer ratings20%70 points
Total90 points
*The maximum score is 100 points
Flat sheet
 of the brand 
CSK Team
achieved
90
Points in our test and therefore passed. The test was carried out in the test period
03/23
and is stored in our database under the licence number
230207004
. 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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