Ratings & Reviews for Flex Seal 128-fl oz Black Pour Waterproof Rubberized Coating
Ratings may include incentivized customer reviews.
What Customers Are Saying
The Flex Seal product has received mixed reviews. Many customers report it is an effective sealant and waterproofing solution, forming a durable, flexible seal that holds up well over time. The liquid version is particularly popular, being easy to apply and effective at sealing gaps and cracks. However, some customers felt the product did not live up to claims, with leaks persisting after application. Others found it difficult to apply neatly and complained about the strong odor. Proper preparation and application appear crucial for achieving the best results with this product.
Customer review summary generated by AI, including incentivized reviews.It turns into rubber real fast dries in 24hrs
Would Not RecommendThis works great will know more when it rains again
Verified Purchaser
Returned the 3rd can because it’s dried up:(
Would Not RecommendToo pricey and should have been on a can with a spout because it’s really hard to pour it without making a mess.
Verified Purchaser
EVERYTHINGS DUCKY
Would RecommendUSED IT TO COAT THE INSIDE OF AN 8 FOOT ROUND METAL TUB (SO IT WON"T RUST) THAT WE GOT FOR OUR DUCKS TO USE AS A SWIMMING POOL.
From flexsealproducts.com
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@fle... Read More
Flex Seal Liquid - pint
Would RecommendProduct works, but despite my securely closing the lid between usage, a portion of the remaining contents start to solidify, requiring removal of that portion to get to useable material.
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
Looks Like it Will do the Job
Would RecommendThe clear coat went on easily and sealed up the seams in my basement cinderblock wall, keeping out rainwater. The Flex Seal couldn't be cleaned from my brush, so I switched to cheap throw-away brushes. During painting and curing, Flex Seal had a very strong odor which permeated the entire house and took 2 days to disperse, even with open windows in the work area and vent fans going full blast. The dried coat is glossy, which makes the painted area reflective and look wet; a flat finish would be ...
From flexsealproducts.com
Hi there! Thank you so much for your 4 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@fle... Read More
Repaired cracked rain barrel.
Would RecommendVery surprised, 55 gal resin rain barrel froze and split at the seam
From flexsealproducts.com
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@fle... Read More
Flex Seal Liquid
Would RecommendUsed on my boat today and it looks like it will seal good.
From flexsealproducts.com
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@fle... Read More
Great Stuff!
Would RecommendWe had some water coming in our basement through a concrete wall. We painted the entire wall with flex seal and it sealed the deal. It really works and is easy to use. We have used this product before and it does the job...it works exactly like they say...you will not be disappointed.
From flexsealproducts.com
Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@fle... Read More
very dissappointed,
Would Recommendit was to liqui i put it up. but its on a virticle surfice so its sagging, cold outside so not drying, but this pring ill tear it all out and fix what is damaged... the flex tape, just failed. its not sticky, in wet surface like you advertise, it dont work. i am very dissapointed. i will still buy things but vary little now.
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
Hey there, thank you for your feedback. If your experience was anything less than your expectations, please send us an email at humans@flexsealpr... Read More