Flex Tape is an adhesive product that claims to be able to patch leaks and holes of all sorts, even those under pressure. The makers of the product claim that it’s triple-action adhesive is so powerful, it can even be used underwater. The product comes in two different colors, with the choice to choose between white and black.

Flex Tape is a part of the Flex Seal lineup of products, comprised additionally of Flex Shot, Flex Seal, and Flex Seal Liquid. All of these products serve users differently depending on the scenario, but all of them serve one main function; stopping leaks in their tracks.

The manufacturer states that Flex Tape itself can be used on all sorts of materials, such as PVC, acrylic, metal, steel, copper, aluminum, wood, ceramic, porcelain, tile, glass, rubber, fiberglass, stucco, plaster, stone, drywall, EPDM roofs and more. This obviously opens up the potential for various uses quite a bit, and if true, it would position Flex Tape to be quite useful in a variety of situations.

In order to better understand the situations that you might find Flex Tape to be useful in, we need to know exactly how the product claims to work. In the next section, let’s go into detail on this, while also taking a quick look at a few different situations where Flex Tape might potentially come in handy.

How Does Flex Tape Work?

According to the makers of Flex Tape, the product works by creating an instant bond to whatever it is you apply it to, even when there is water involved. In fact, the company is so confident in the tapes adhesive abilities, they claim it can be used underwater and still provide a reliable, strong bond. They even go so far as to demonstrate this on their television ad by cutting a boat in half, then repairing it using only a wide sheet of Flex Tape. A demonstration of the boat on the water afterward appears to show that it functions completely normally, which if true, would certainly be an impressive feat, if nothing else.

We aren’t told on the main website what exactly is used in Flex Tapes formula that creates this bond, and when we reached out to customer service to try and confirm what is being used, we were told that they did not have that information. Based on our experience, it’s fairly common for a company to keep information like this private to prevent knockoff and copycat products from cropping up, so this isn’t necessarily a cause for concern on its own.

Are There Other Products Like Flex Tape Out There?

Performing a quick Google search for “waterproof tape” brings up a few different listings, so it would appear that there are indeed at least a few other products out there that are functionally similar to Flex Tape. Having said that, the product was near the top of the results, and it certainly seemed to be the most marketed, outwardly successful product on the first page of the search results.

Knowing this, the next logical question is simple; how much will it actually cost you to get your hands on your own supply of Flex Tape?

Flex Tape Pricing

Currently, Flex Tape is offered directly from the manufacturer, as well as via several different online outlets and physical retail locations all over the country. If you opt to go directly through the manufacturer, you’ll be able to receive a bonus can of one of the other Flex Seal products for free as part of a special promotion that the company is currently running. As far as we can tell, this promotion is not available at any other location, either online or offline.

Flex Tape comes in three main sizes; 4" by 5', 8" by 5', and finally, 12" by 10". Depending on the nature of what you are trying to do with the tape, you might need to choose the size most appropriate for your situation. On the main website for the product, these products will cost $19.99, $29.99, and $49.99, respectively. Whichever size you choose, you’ll be subject to a $9.95 shipping fee and a $9.99 processing fee, adding roughly $20 to your order. Should you opt to go through a physical retailer or an online outlet that offers free shipping such as Amazon, you might possibly be able to avoid these fees, but you also won’t be able to receive the bonus product to try out from the manufacturer.

Flex Tape Return Policy

If you opt to purchase Flex Tape through a physical retailer or an online store other than directly from the manufacturer, you’ll need to ask about the return policy for the respective store you are purchasing from, as they tend to differ from company to company. If you opt to purchase Flex Tape on the main website for the product, however, you’ll have a 30-day money back guarantee for the full price of the product. It should be noted, however, that this does not include the $20 for the shipping & handling fees, which they state are not refundable.

You’ll need to contact customer service at 1-800-307-6201 to request a return merchandise authorization number, which you’ll then be able to include on the packaging to send the product back to get your refund processed and taken care of.

The Bottom Line: Is Flex Tape a Game-Changer for Leaks?

Taking everything that we’ve learned about Flex Tape into account, it would appear from the outside that the product could reasonably be expected to deliver on the promises it makes regarding its ability to seal leaks and other holes. The multiple video demonstrations of the product are convincing enough, and seeing the product in action, especially underwater gives us hope that Flex Tape might possibly be the real deal.

That being said, without knowing what is being used in its formula, and without testing the product out for ourselves, it’d be difficult to say with 100% certainty that Flex Tape will work exactly as the manufacturer describes. Ultimately, it’ll be up to you to decide if the potential value is worth the investment in regards to this product. We’d simply recommend keeping the return policy in mind, as well as possibly testing a smaller amount of the product first before committing to a larger quantity of it.

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