Ratings may include incentivized customer reviews.
What Customers Are Saying
The product is effective, easy to use, and versatile for a range of household repair and sealing applications. Customers report successfully using the paste to fix leaks, cracks, and holes on various surfaces. The paste is described as durable, fast-drying, and able to form a strong, waterproof seal on both dry and wet surfaces. However, some customers experienced issues with the product drying out or hardening prematurely, and a few found it to be messy to work with. Overall, the product receives very positive reviews from the majority of customers.
Customer review summary generated by AI, including incentivized reviews.Poor product
Would Not RecommendHalf of the bucket was already hard and unusable. Will never buy this product again
From flexsealproducts.com
Gutter seam repair
Would RecommendUsed a few times now Good stuff for sealing gutter seams. Thanks
From flexsealproducts.com
Hi there, thank you so much for sharing your Flex Success with us! We're happy to hear the Flex Seal Family of Products is working great for your proj... Read More
Dried up
Would RecommendWhen i opened it up half of the flex seal was dried up so i didn't get to complete the task
From flexsealproducts.com
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When ... Read More
Doesn’t work when water is present
Product must be applied while area is dry. Didn’t perform like I thought it would with water present. Also when opening bucket some of the product was already cured so you couldn’t really apply like instructed. I would not recommend!
From flexsealproducts.com
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When ... Read More
Need better seal from the factory.
Would RecommendThe top 1/4 of my Flex seal paste was hardened when I opened it.
From flexsealproducts.com
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When ... Read More
Good product, but poorly managed by distributor.
Would RecommendThis is a good product, however the containers which we were shipped were obviously old inventory. A large amount of the product was hardened to the point it was unusable, perhaps 25% of the container. Since it's an expensive product to purchase, this is a significant financial loss to the consumer. Once you open the container you must use all of its contents within a 48 hour period as it hardens relatively quickly when exposed to open air. Closing the container does not stop it from settin...
From flexsealproducts.com
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When ... Read More
Disappointed
I had a leaky copper pipe in the basement that was slow-dripping water. It continued to drip even after applying a generous layer of Flexseal all around it. Had to call the plumber who cut off the leaking segment and soldered a new end to the pipe. It was also messy to apply.
From flexsealproducts.com
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not work for your repair. When you have... Read More
Flex paste
Would RecommendWorks great but top 25% of container was dried out
From flexsealproducts.com
Hi there, thank you so much for sharing your Flex Success with us! We're happy to hear the Flex Seal Family of Products is working great for your proj... Read More
Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When ... Read More