Customer Reviews for FLEX SEAL FAMILY OF PRODUCTS Flex Seal Liquid White 1 Gal. Liquid Rubber Sealant Coating (2-Piece)

Internet #309076549

Model #LFSWHTR01-CS

Store SO SKU #1004575761

  • Dries to a watertight, flexible rubberized coating
  • Non-hazardous, non-toxic, and nonflammable
  • Brush it, roll it, dip it or pour it for watertight flexible seal

Customer Reviews

  • 886 Customer Reviews
  • 4.4 out of 5 stars overall
92% of customers recommended.
Overall Ratings
5star-icon(616)
4star-icon(145)
3star-icon(39)
2star-icon(29)
1star-icon(57)
Attribute Ratings
Quality
3.7
Value
3.7
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I returned this product for the paste based on the recommendation of a carpenter. I used the Flex...
I returned this product for the paste based on the recommendation of a carpenter. I used the FlexSeal Paste to seal around a window air conditioner. It did okay. Can any product advertised so heavily really meet or exceed expectations?
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Response from Customer ServiceSeptember 14, 2020
Hi CW! We love exceeding expectations! Send some pics of your project to humans@flexsealproducts.com and we'll be happy to offer our advice on how to optimize your success. Looking forward to hearing from you. Have a Great Day! FlexSealProducts
Caledonia, WI
Hoped for better results
Customer review from logo
I currently have an older concrete stationary/utility tub where my washing machine empties into. It is leaking underneath so I was hoping that using the Flex Seal Liquid would help me to seal off those leaks. The can opens easily just as a paint can & after stirring I applied with a brush. It did have a smell to it but it wasn't anything that was so strong that it was overpowering. The Flex Seal seemed to apply fairly easily. Unfortunately, when I went to test it out, my tub was still leaking just as badly as before. I'm hoping that maybe it's because I just need to apply a thicker/2nd coat so I will be giving that a try. It was a bit difficult to apply due to being on the underside of the tub. I also am not 100% sure that the concrete was dry. It looked dry on the surface but not sure if there might have been moisture within the concrete that impeded the ability of the product to work as intended. While I was disappointed with the result, I am not writing it off completely. I'm going to give it another shot & hope that with an additional coat, I will see the results I was hoping for. [This review was collected as part of a promotion.]
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Nevada, Ohio
Nice
Customer review from logo
I received this can of flex seal in white, been waiting to try it on my gutters cause I have a couple leaks. As soon as I get my gutters clean I will give the flex seal a shot. All the reviews I have read have been pretty good. Thanks flex seal for the opportunity to try out your product. [This review was collected as part of a promotion.]
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Marshallville, Ohio
Works wonders
Customer review from logo
I got this Flex Seal it’s liquid rubber in a can! I used it on my gutters and it’s very easy to use! You can brush it on, roll, dip or even pour it on, it can be used on anywhere you need a watertight, flexible coating. Prevents rust and corrosion and it’s even mildew and chemical resistant. It’s non toxic, non hazardous and non flammable, it’s even safe around pets and plants. [This review was collected as part of a promotion.]
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Columbus, Ga
Great Sealend!
Customer review from logo
I got the FLEX SEAL LIQUID in gray because i got a leak in my Sunroom Roof. The roof is out of Metal and it apears that the leak was right at the seal. I brushed some Flex Seal on the area, a couple days later, it rained and i did not have a leak anymore. I am so impressed with the Flex seal how great it works and how easy it is to use and highly recommend it ! [This review was collected as part of a promotion.]
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Abingdon, MD
Great Sealant
Customer review from logo
I received the Flex Seal Liquid- White and in my opinion this stuff is awesome! We had a small hole on the outside of our concrete foundation and ants were steadily climbing into it. First I sprayed to get rid of the ants then I applied a generous coat of Flex Seal Liquid let that dry, applied a second thin coat to make sure the hole was sealed up and it worked perfectly. [This review was collected as part of a promotion.]
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Tullahoma, TN
Best sealant ever
Customer review from logo
We bought this to seal our leaky water trough. We are simply amazed at the quality for the price. My husband was able to use this quickly with little to no mess. This dried quickly and was ready to use in no time. We were highly impressed at the results. We highly recommend this great quality product. [This review was collected as part of a promotion.]
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Jackson, Michigan
Favorite Hose Sprung a Leak
Customer review from logo
Wow!! Flex Seal Liquid did it again!! My Husband waters all our Flower Beds every night and is Very particular about which Hose he has to work with. So of course it was a Major problem when his Favorite Hose sprung a leak. Of course he was going to throw it away until I stepped in and said to use my Flex Seal Liquid. Oh, he was very hesitant to try but but he did! He applied just one application of the Flex Seal Liquid on his hose and it sealed the hole which produced No leaks!! The Flex Seal Liquid now sits in my Husband's "Man" Garage being talked about with his Buddies!! [This review was collected as part of a promotion.]
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Henderson NV
Great all weather protection
Customer review from logo
This Flex Seal Liquid is thick and provides great all weather protection. It is a little hard to apply and uses some elbow grease to spread it out. It fills small cracks and crevices helping to keep moisture out. Make sure to use this outside or in a well ventilated area because the smell is very strong. I couldn't recommend this product more. [This review was collected as part of a promotion.]
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Pennsylvania
Works great!
Customer review from logo
My latest product to review is the FLEX SEAL LIQUID. I received a large 16 ounce container in white. I used this sealant to repair a small hole in the floor of the garage. A heavy object had fallen on the cement floor and cracked the floor and created the small hole. I cleaned and vacuumed any loose particles of dirt and cement from the hole before I poured Flex Seal in. I applied just one coat to repair the crack and hole in the floor and waited two days to allow enough time for it to dry. I think the repair job looks great and seems to be holding up quite well. This flex seal is a liquid rubber sealant that can be used on so many things. It starts as a liquid that can be easily poured from the can and dries to a watertight, rubberized coating. It truly is liquid rubber in a can! [This review was collected as part of a promotion.]
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