The store consistently delivers fast delivery and timely shipping, with multiple notes of on-time or same-day pick-up and efficient communication before and after orders. Customers praise the sales and support experience, highlighting helpful phone contact, good communication, and professional, friendly service that makes the buying process smooth. Product quality and reliability are repeatedly affirmed, with easy installation, accurate descriptions, sturdy materials, and dependable performance across several orders. The site navigation is clear and the packaging solid, contributing to overall satisfaction and repeat purchases.
Hello,
We are following up on your feedback and are sorry that your delivery was incomplete.
In the meantime, we have taken the necessary steps to ensure that the missing item is shipped to you as soon as possible.
Thank you for your understanding and we remain at your disposal for any further information.
Best regards
Dominique / SLID'UP Customer Service
M
Maurice R.
Rating: 1 out of 5
following a purchase from 01/08/2026
Still no refund following order cancellation (11 days). Not very professional.
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Response from SLID’UP by Mantion
Hello Sir,
We apologize for this delay in refund and understand your dissatisfaction. During this summer period, our team is operating with a reduced staff, which has exceptionally extended some processing times.
However, we confirm that your refund has been validated today via PayPal. It will soon be visible on your account.
Thank you for your understanding.
Sincerely,
Dominique / The SLID'UP Customer Service
B
Bernard F.
Rating: 2 out of 5
following a purchase from 30/07/2026
The additional door kit is not the same as the door kit provided with the rail.
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Response from SLID’UP by Mantion
Hello Sir,
We are sorry to learn that the kit for the additional door does not match the door kits ordered at the same time.
We are doing everything we can to analyze the situation and provide you with a response as soon as possible.
Best regards
Dominique / SLID'UP Customer Service
M
Michel D.
Rating: 1 out of 5
following a purchase from 09/07/2026
Given the price and the advertising you do regarding the quality of your products, you could have included self-tapping wood screws for fixing the doors and rails. I therefore threw away your cheap screws for Parx self-tapping screws.
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Response from SLID’UP by Mantion
Hello Sir,
We understand your comment regarding the screws provided with your order.
However, the screws included in our kits are intended for use on wooden doors, in accordance with the assembly recommendations of our products. Unfortunately, we cannot provide screws suitable for all materials that may be used for making doors or supports.
Depending on the material and the configuration of the installation, it may therefore be necessary to use specific screws suitable for the relevant support.
Best regards,
The SLID'UP Customer Service
B
Brigitte P.
Rating: 2 out of 5
following a purchase from 05/07/2026
Incomplete products, and you have to pay to return them…
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Response from SLID’UP by Mantion
Hello Madam,
We are sorry to learn that the products received are incomplete.
We have a stock of spare parts and can send you the missing elements by postal mail.
In order for us to proceed, please confirm the missing elements.
We remain at your disposal for any further information.
Best regards,
Dominique
R
Radosław K.
Rating: 1 out of 5
following a purchase from 08/07/2026
I received not what I wanted. They didn't even solve the problem (I didn't receive a refund proposal nor was the correct product sent to me)
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Philippe C.
Rating: 2 out of 5
following a purchase from 25/06/2026
I hope that the new power supplies for the roller shutters will last more than 3 years, because out of the 5 I installed, I have already changed 4 at 88€ each.
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Roland T.
Rating: 2 out of 5
following a purchase from 14/06/2026
good product but the delivery by GLS was not respected, not delivered at home as planned, customer service does not bother to call back when we report the non-compliance of its delivery service
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for sharing your feedback. We are pleased to see that the product meets your expectations.
However, we sincerely regret the difficulties encountered during the delivery with GLS.
As soon as we received your complaint, our customer service responded to you the same day and took your report regarding the carrier's service into account.
We understand your disappointment regarding the failure to deliver to your home and we systematically forward this type of feedback to our partner to help improve the quality of their services.
We apologize for this delivery experience and thank you for your understanding.
Best regards
Dominique / SLID'UP Customer Service
L
Leslie M.
Rating: 1 out of 5
following a purchase from 06/06/2026
The product arrived well packaged in a box but inside the visible bar is scratched. Too bad..:
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Response from SLID’UP by Mantion
Hello Madam,
We are sorry to hear that the product arrived scratched.
If you wish, we can proceed with its replacement. To do this, we invite you to send us a complaint to the address [email protected] attaching photos of the concerned part.
We remain at your disposal for any further information.
Best regards,
Dominique / The SLID'UP Customer Service
A
Alejandro A.
Rating: 1 out of 5
following a purchase from 30/05/2026
I received the product damage, the delivery service was changed.
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Fritz B.
Rating: 1 out of 5
following a purchase from 31/05/2026
Mantion reduced the prices of the ordered items by 20% 3(!) days after receiving my order. I find this, to put it mildly, unfair! I would like a statement regarding this pricing policy!
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Richard S.
Rating: 1 out of 5
following a purchase from 01/06/2026
Not impressed with this company at all I will never use them again
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Joseph S.
Rating: 1 out of 5
following a purchase from 30/05/2026
Very good
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Carlos C.
Rating: 2 out of 5
following a purchase from 30/05/2026
My order (#30750) has not been completed; I am missing a 47-inch kit for two doors. I need the missing kit, as I mentioned in my email, because I urgently need to finish the project. I am still waiting for a resolution. I look forward to hearing from you. Thank you.
D
Dominic S.
Rating: 1 out of 5
following a purchase from 23/05/2026
No invoice with order. Only after 7 emails!!! Invoice received!! Outrageous
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Response from SLID’UP by Mantion
Dear Dominic,
we are sorry to hear that you are dissatisfied with our service and had difficulties with your invoice. We understand your disappointment!
To avoid such (in this case: vacation-related) delays in email processing, we always send the invoice as an attachment upon receipt of payment, and the shipping notification also contains the invoice again.
Unfortunately, these emails occasionally end up in the spam folder and can therefore be easily overlooked. Sorry for that.
We hope that you are still satisfied with our products - perhaps we may welcome you again in our shop.
Best regards,
The SLID'UP by Mantion team
C
Candotti C.
Rating: 2 out of 5
following a purchase from 22/05/2026
Unconvincing system. Expensive for what it is.
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Response from SLID’UP by Mantion
Hello,
Thank you for your feedback. We are sorry that the product did not fully meet your expectations.
However, we would like to clarify that this product is designed with quality materials and is known for its reliability.
If you have any questions about its use or operation, our customer service is available to assist you.
Best regards
Dominique / SLID'UP Customer Service
R
Rodney M.
Rating: 1 out of 5
following a purchase from 08/05/2026
Ordered products May 8, 2026 and still don’t have order. It now June 3, 2026. Very disappointed
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Ulrich H.
Rating: 2 out of 5
following a purchase from 17/05/2026
UPS delivered the item to a different address. I complained about this to UPS, but have not received any feedback to this day.
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C. D.
Rating: 1 out of 5
following a purchase from 12/05/2026
The product was correct, but the delivery was catastrophic. GLS is really an incompetent company. They went around in circles for five days without delivering, and finally dropped the package at a depot in the neighboring city.
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for your feedback.
We are pleased to learn that the product meets your expectations.
However, we are sorry that the delivery caused inconveniences.
We understand your disappointment and take your comments into consideration to improve the quality of our deliveries.
We thank you for your understanding.
Sincerely
Dominique / SLID'UP Customer Service
M
Mikołaj P.
Rating: 1 out of 5
following a purchase from 23/04/2026
-
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Martin S.
Rating: 2 out of 5
following a purchase from 03/05/2026
Delivery was not complete. Unfortunately, the floor guide for the sliding door was not included.
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Rémi F.
Rating: 2 out of 5
following a purchase from 03/05/2026
Very very simple equipment for 80 euros, I expected something more sophisticated
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for your feedback.
We are sorry to learn that the product did not meet your expectations.
We strive to offer products that provide the best value for money and take your comments into consideration.
We remain at your disposal for any further requests.
Best regards
Dominique / SLID'UP Customer Service
M
Martin L.
Rating: 1 out of 5
following a purchase from 01/05/2026
I did not accept the package because it arrived bent.
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for your feedback.
We are sorry that your package arrived damaged. We understand your decision to refuse it and apologize for this inconvenience.
In the meantime, a new item has been shipped as a replacement.
Best regards
Dominique / Customer Service SLID'UP
L
Luc C.
Rating: 2 out of 5
following a purchase from 29/04/2026
The plastic sliding systems for lower furniture doors up to 9 kg slide poorly. The doors tend to get stuck.
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for sharing your feedback.
We are sorry that the sliding does not meet your satisfaction. This type of problem is generally related to an adjustment or an installation that requires tweaking.
Please feel free to send us some photos or a video. We can then help you find a solution.
Best regards
Dominique / Customer Service SLID'UP
G
Gaetan A.
Rating: 1 out of 5
following a purchase from 27/04/2026
Package is opened, lost screw nut washer. Email sent to your services still without response
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Response from SLID’UP by Mantion
Hello,
We are sorry that your order was delivered incomplete due to an incident that occurred during transport.
We also apologize for the delay in processing your complaint.
We remain at your disposal for any further information.
Best regards
Dominique / Customer Service SLID'UP
A
Alexandra H.
Rating: 2 out of 5
following a purchase from 13/04/2026
The small order screws (Reinforced wall mounting bracket for SLID'UP) being unpackaged in the package, "free electrons", were lost during transport (twice in a row)! Too bad because the material is of good quality!
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Response from SLID’UP by Mantion
Hello Madam,
We are sorry that your order was delivered incomplete due to an incident that occurred during transport.
The missing parts have since been shipped.
We apologize for this inconvenience and remain at your disposal for any further information.
Best regards
Dominique / SLID'UP Customer Service
J
Jean Michel R.
Rating: 2 out of 5
following a purchase from 13/04/2026
Very good
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Ed J D.
Rating: 2 out of 5
following a purchase from 07/04/2026
when asked if i was satisfied with my shopping experience, i would reply "yes and no". the yes's are that the product delivered was correct and arrived quickly. The no's are that the packaging was done poorly in that the bristles were crushed to the point that at first i thought the product was unusable. it appears that someone just wrapped the 18-foot length around their hand and stuffed it in the bag and then into the envelope. i spent many hours straightening out the bristles and had to fabricate a jig on my worktable to "fix" them. i basically had to press them out to be straight which took several days because i had to do it in 6 foot sections, and i had to leave them in the jig overnight. i was surprised at how limp the bristles were. i expected them to be stiffer. they did end up working ok for my application, but i will not use them again. i have a recurring requirement for a brush seal to be used on retractable screen doors where the seal clearance is greater than 5/8 of an inch. your product is perfect in that the spine is 3/16" wide and the brush length is 1 inch. if you manufactured the same product with a much stiffer bristle, and ideally to 1-1/8" and it were black, you would have a very marketable product that would be useful to installers of these types of large retractable screen systems. it would not necessarily need to have adhesive backing as the 3/16" spine can be pressed into the slot of some retractable screen systems, notably, the phantom brand retractable screen system. for now, i will keep searching for a supplier for my application.
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Christopher D.
Rating: 1 out of 5
following a purchase from 28/03/2026
I have not received my order.
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Jacques B.
Rating: 1 out of 5
following a purchase from 04/03/2026
Handles not packed, not protected so received with bumps and aesthetic defects
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Response from SLID’UP by Mantion
Hello Sir,
We regret that the products received are not in good condition.
Of course, we can proceed with the replacement if you wish. In this case, please send us a message in response to the confirmation email of your order.
We remain at your disposal for any questions or clarifications.
Best regards
Dominique / SLID'UP Customer Service
A
Alexandra G.
Rating: 2 out of 5
following a purchase from 03/03/2026
I sent an email for an exchange for a higher range but no news
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Response from SLID’UP by Mantion
Hello Madam,
We apologize for the delay in responding to your request for an exchange to a higher range.
In the meantime, your request has been taken into account and the return file is being processed.
The refund will be made today.
Sincerely,
The Customer Service SLID'UP by MANTION
P
Philippe C.
Rating: 2 out of 5
following a purchase from 11/02/2026
Hello, Not very satisfied with 2 sleeves I can't screw the small screws. Regards
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Jpaul V.
Rating: 1 out of 5
following a purchase from 10/02/2026
Fast delivery and very well packaged parts.
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Laurent M.
Rating: 1 out of 5
following a purchase from 27/01/2026
The lock kit received was not in good condition, a plastic piece was broken. I don't know if I will be able to install the handle as it is.
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Response from SLID’UP by Mantion
Hello Sir,
We are sorry to learn that the product arrived damaged.
We have a Quality Service: if the product turns out to be non-compliant, it is entirely possible to proceed with its replacement.
We remain at your disposal for any further information.
Best regards,
Dominique / The SLID'UP Customer Service
T
Tom G.
Rating: 2 out of 5
following a purchase from 25/01/2026
The gap between the doors is too large, looks quite silly, the further door needs to be milled, then the upper guide is really unusable due to zero tolerance, 1 mm difference and it rubs, better to build something yourself and use a profile for example
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Camille G.
Rating: 1 out of 5
following a purchase from 12/01/2026
poor quality
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Etienne L.
Rating: 2 out of 5
following a purchase from 03/12/2025
I didn't think the attachments were plastic.
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Response from SLID’UP by Mantion
Hello Sir,
Thank you for taking the time to leave a review.
However, it is clearly indicated in the product designation "Removable polyamide pad for rails SU1905 and SU1906".
The fact that the pads are made of polyamide does not undermine the quality of the product or its longevity, as long as the weight recommendation per panel is respected (5-year warranty).
We remain at your disposal for any questions.
Happy end of year celebrations.
Best regards,
The SLID'UP Customer Service
E
Eric N.
Rating: 2 out of 5
following a purchase from 21/11/2025
The product does not suit what I want to do. I would like to return it to get a more suitable product from your range. Best regards
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Response from SLID’UP by Mantion
Hello Eric,
Thank you for your feedback. We were sorry to learn that the product did not meet your expectations.
Following the return of this item, we confirm that the refund was processed on December 12.
Best regards,
Dominique / SLID'UP by Mantion
A
Alain C.
Rating: 1 out of 5
following a purchase from 16/11/2025
THE PACKAGE WAS OPENED AND SOME PARTS WERE MISSING
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Response from SLID’UP by Mantion
Hello Sir,
We are sorry to learn that your package arrived open and that parts are missing.
We invite you to send us a claim by email so that we can take the necessary steps and send you the missing parts.
Best regards
The SLID'UP Customer Service
A
Ah D.
Rating: 1 out of 5
following a purchase from 06/10/2025
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