website thubmnail of Flex Seal
How would you rate Flex Seal?
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Wisconsin
1 review
15 helpful votes
Follow Kim R.
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I have tried 3 times to fix a leak in my pool with flex seal tape. Each time it continues to leak and the tape eventually comes up. It does not work under water.

Date of experience: June 26, 2019
Pennsylvania
1 review
6 helpful votes
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Doesnt work
July 7, 2020

Hello. Flex seal products DO NOT work I had a hole in my pool so I got the tape it wouldnt stick even after draining the pool letting it dry then putting the tape on and letting it set for a day before refilling. It still didnt stay. We also tried the glue, the liquid, the caughing and the putty on this one small hole and none of it worked. This product doesnt work in water or out of water. I spent over $200 on flex seal products to fix one leak and none of it worked. It's a joke. Ducktape would work better. Dont waist ur money.

Date of experience: July 7, 2020
Rhode Island
1 review
23 helpful votes
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On May 15,2020 I ordered a tub of Flex Seal Paste the company billed me immediately and they don't ship it and the site said shipped. To them when they get an order they print a shipping label and say it's shipped. THAT IS NOT TRUE they say 4-7 days for shipping must be on a slow boat from China now May 27,2020 and no product. Don't order with their timeline if you need it with 2 weeks.

Date of experience: May 27, 2020
Massachusetts
1 review
6 helpful votes
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Helping disabled vets
August 22, 2020

I have one if not the oldest disabled vets home in the country and could not get anyone to come over to fix an above ground pool leak-everyone blew us off-so I drain most of the water out and applied your waterproof paste weeks ago and IT WORKS for the guys w/o any further leaking. I was surprised how well it holds-you are crazy NOT to buy this product-thank you -and so much for the companies that WOULDN`T HELP-it save us a lot of cash!

Date of experience: August 22, 2020
California
1 review
1 helpful vote
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Flex glue
February 19, 2024

Put the tube in my caulk gun. Almost broke my wrist trying to get glue out.
I'll never buy your products again. $16.00 for a tube of trash

Date of experience: February 19, 2024
Connecticut
1 review
3 helpful votes
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Flex Seal Adhesive 4oz
December 23, 2022

The ads made it look like the perfect fit for my project. I could barely get any out of the tube and what I did wouldn't adhere to tile. Would not recommend.

Date of experience: December 23, 2022
Canada
1 review
2 helpful votes
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Flex Seal tape FAILED
November 15, 2022

I installed Flex Seal tape on my eavestrough downspout which was leaking at the joints. Temperature at the time was about 15 degrees Celsius or about 50 degrees Fahrenheit. It initially stuck very well. Two days later the tape was unwinding at each point where I had wrapped it around the downspouts and it fell right off at points where I had attached it underneath. There had been no precipitation during those two days. I contacted the manufacturer both through Amazon and at their website where I described what had occurred. I asked for a refund but received no reply at all. BAD PRODUCT AND BAD MANUFACTURER! Very disappointed since 10 feet of the tape cost in excess of $30.

Date of experience: November 15, 2022
Wisconsin
1 review
5 helpful votes
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Did not work
June 28, 2020

We let the bath room dry out for several days then applied spray per directions. Let dry for 3 days, it held for about two weeks. Now it looks like this mess.

Date of experience: June 28, 2020
Pennsylvania
1 review
20 helpful votes
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I love the this $#*!, I put it on everything! I did ceilings, floors hell I even did body work on my car with it. I got 10 buckets on reserve, for the summer I'm making a roof for my shed.

Date of experience: May 11, 2020
Florida
1 review
7 helpful votes
Follow Dave S.
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I purchased a 1 lb jar of Flex Paste to help cover some small areas in my pool and also to try it on some areas of my pool tile where the grout was breaking away. The product appeared to work at first but the biggest issue I had was how they told you to seal the jar back up when done. All instructions were followed very religiously and I made a great effort to make sure the foil barrier was tightly in place. Then 3 days later I went to use it again and the top area of the paste had started to get hard. I had to remove the top layer to get some soft product to use. Again I went through the instructions to tightly seal up the jar. Then 4 days later I noticed that the area where I covered under water in the pool started to turn into a powder and rubbed off. When I went to the jar to try to re-apply the paste to that area, all of the product had hardened. Over 80% of the product was wasted. A total rip off of my money. They make the ads on TV look so great, but the paste product does have it's issues that they say on TV that is works for. I went to a 2 part putty that is easy to use and each part stays good in their own container. No issues since I went to using the 2 part putty product, even under water. DS from Florida - 6/2020

Date of experience: June 20, 2020
Florida
1 review
0 helpful votes
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Flexseal.
July 27, 2023

Seal keeps peeling off the base of my waterfall. Clogged the pump. Had to peel all the pieces of the seal.

Date of experience: July 27, 2023
Virginia
1 review
3 helpful votes
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Dont waste your money
August 5, 2020

This product does not work at all, I tried the tape and the liquid neither of them worked for my leaky ceiling. He obviously overexagerated "I sawed this boat in half" smh dont waste your money.

Date of experience: August 5, 2020
Georgia
2 reviews
2 helpful votes
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Doesnt work.
August 7, 2020

Used it to patch a pinhole on my trucks windshield washer tube. Didnt work sfter multiple tries. Threw the rest away. Stay away. Tv commercial is B S.

Date of experience: August 7, 2020
Indiana
1 review
4 helpful votes
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Garbage
June 14, 2020

This company shouldn't be able to advertise this stuff! Flex seal tape is pure garbage! Do Not Waste Your Money! Does not work! Tried it twice and doesn't work

Date of experience: June 14, 2020
South Carolina
1 review
0 helpful votes
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Flexcrap
July 5, 2021

This flex seal paste is pure junk. Opened the can and it was hard as a rock to the bottom of the can. Wasted $29.00 will never by another. Flex seal product again...

Date of experience: July 5, 2021
Illinois
1 review
0 helpful votes
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Flex seal product
December 15, 2021

Yes I'm writing a review on this flex seal product I had bought in four containers and I had problems with them and a prior pass I do have the where it came out of bank account and showing it's too flex seal for $107 they said I had to have some kind of a receipt or something which I don't have that but I got a bank statement it's just as good but they don't stand behind their product they said they have no knowledge me buying it and I'm just kind of stuck with it and I don't understand why they if it's such a good product why wouldn't they stand behind it so I wouldn't buy it again and like I said I do have receipts on my bank statement show and I did purchase it and from where it was from but they when I call them they said they don't have that so I'll never buy it again

Date of experience: December 15, 2021
Nevada
6 reviews
2 helpful votes
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The biggest SCAM
March 9, 2022

This utter crap doesn't seal anything, not even the smallest hole.
These commercials are SCAM and that a hole in them should be soued and thrown in jail.

Date of experience: March 9, 2022
Illinois
1 review
3 helpful votes
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Complete Garbage
June 11, 2023

These guys are scammers! None of there products work like the goof on tv claims. Tried a few and same results NOTHING! Waste of money, false advertising, the BBB should shut these guys down period

Date of experience: June 11, 2023
New Mexico
1 review
4 helpful votes
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What a lie. Big bucks for TV ads for products that DONT WORK. I tried to patch a leak under water in a pool. The product failed the moment I applied it. Save your money. What a bunch of total CRAP

Date of experience: December 12, 2020
Illinois
1 review
4 helpful votes
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Waste of money
June 20, 2020

I have tried multiple flex seal products including the spray and the tube applications. I tried it in multiple locations including gutters, pool, etc. Leaks everytime! Total waste of money and time.

Date of experience: June 20, 2020

Overview

Flex Seal has a rating of 1.3 stars from 219 reviews, indicating that most customers are generally dissatisfied with their purchases. Reviewers dissatisfied with Flex Seal most frequently mention customer service, small leak and credit card. Flex Seal ranks 256th among Plumbing sites.

service
42
value
74
shipping
32
returns
31
quality
70
+56