In this investigative report, Flex Seal is put to the test by a professional contractor. Will the liquid rubber spray stand up to the leaky roof and patched bucket tests?
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Those “As Seen on TV Products” tend to fall into three categories in my book: you have the products that are just ridiculously bad and a waste of money, the products that are ok and do what they advertise, and then you have the products that are truly useful items that are more than worth the money.
I’ve decided to compose a comprehensive Flex Seal review because I believe that this product actually does what it says and deserves your attention. So what makes Flex Seal such a useful product that takes it beyond “just ok”?
First of all, Flex Seal is an interesting product that is really versatile. If you need to make a quick fix that is watertight and stops your leak problem fast, it’s a great solution. It supposedly works effectively on a wide variety of surfaces — maybe you’ve seen the infomercial where they fix a gutter on the inside by directly spraying Flex Seal on the surface? I decided to try that repair out first since it rains quite a bit here and the seams like to rust in the gutter because they didn’t use aluminum rivets in their construction.
I have to say that the gutter repair was pretty easy. I got out my extendable step ladder, got up on the roof with my two cans of Flex Seal, and literally just had to spray it on the surface and then let it dry. I enjoyed the sunshine for awhile to let the Flex Seal dry, added another layer just to be safe, and ended up only using a fraction of the first can to get the repair done. All in all, it took me a couple hours… but realistically, I was working maybe 5 minutes total during those 2 hours.
But then the test came… would it stand up to water? So I carried about a half full 5 gallon bucket up to the roof because that was about the limit of what I felt safe bringing up there. I could have done a slow trickle of water, sure… but that’s not my style. I dumped the whole bucket of water on the patch and was pleased to discover that similar to other Flex Seal reviews, the product stood up to the downpour.
With more Flex Seal than expected left over after the patch, I decided to try out the famous terra cotta repair that they show on the infomercial too. Why terra cotta? Because my wife is an avid gardner. And when I say avid, she spends more time gardening than she does anything else.
If you know anything about terra cotta pots, unless you purchase them in extreme bulk, they get to be quite expensive - especially for the larger ones, which can retail for over $100 each. Fixing one of those is definitely worth our while when it comes to the health of our checkbook.
One of our large Terra Cotta pots had developed a pretty nasty crack recently, so I did exactly as they showed in the commercial: I sprayed Flex Seal over the crack on both the inside and the outside of the pot and let it dry. I then painted it and it looked great. The patch was not very noticable. I thought it might actually work until I added the pressure of all the dirt that this large pot could hold.
Maybe the pot was too big but with all of the pressure of the dirt inside the pot the crack came back and shortly after completely broke open. Now in retrospect, I could have probably sprayed an entire can of Flex Seal onto the pot and had different results, but for a successful crack repair on a large terra cotta pot it didn’t work for me. If I had a smaller pot with a less sever crack the outcome probably would have been different.
Now I don’t have a boat that I can cut a hole out of to seal off… sorry. What I do have is a 2004 Pontiac Grand Am that has a missing rubber gasket for the windshield. Now I could call out a glass repair person to affix a new one, but the quoted cost of this was $80. That’s not worth putting a claim through for my insurance, but I didn’t want to spend $80 - so Flex Seal to the rescue! After all - it has been described as life’s new duct tape… and I’ve had duct tape on that windshield for a few weeks.
After taping off the paint and the glass with painter’s tape so that I wouldn’t have a fabulous rubber coating left to remind me of my repair skills and scrubbing off the duct tape residue, I carefully sprayed a layer of Flex Seal into the gap between the glass and the frame and then let it set overnight since I put in a thick layer in between.
When I got up to take her out for a spin in the morning to pick up some much needed groceries, it worked perfectly - no water penetration, it set solidly, and it only cost me the cost of a can of Flex Seal. So for this Flex Seal liquid rubber review, I’d definitely give it an A+ since it saved me $50 easily on a needed repair.
When you take a look at the price, you might think that it is a little expensive, but in the end it’s worth it because it just saves me a lot of time and hassle when it comes to home repairs or other miscellaneous quick fixes that would normally involve calling someone out. I think you’ll be pleased like I am with the way Flex Seal works for those home repairs that need to get done. I would highly encourage you to try it out today and see for yourself how easy it is to use Flex Seal!