Flex Tape Review: Does Flex Tape Work?

by James Antony | Last Updated: 10th May 2019

Flex Tape Review prepared for those who got a leak and badly want to seal it. Every now and then you will get items or point areas in your home with potential leaks. In the event of such leaks, your best option is getting the appropriate adhesive to help seal and bind such damages.

What are Adhesives? Adhesives are resinous materials that bind (or seal) items and then go a long way in resisting any form of separation once applied. In this post, I will be giving you the latest offering of a typical adhesive known as the Flex tape.

With the use of Flex Tape, you can minimize the cost of home repairs. With the task of cutting, peeling and sticking the Flex Tape to a leaky surface you can be sure of keeping such leaks at bay. Many online reviewers and Youtubers have stated the Flex tape to be a super strong adhesive that can seal even under water.

Want to know more? Then let’s dive in Flex Tape Review!

Flex Rubberized Waterproof Tape

Flex Tape Review - Flex Tape Rubberized Waterproof Tape Black

Flex Rubberized Waterproof Tape


Description of Flex Tape

Flex Tape is one of the many products of the Flex seal company. The Flex Seal company over the years have come up with a bit of Do-It-Yourself (DIY) products. These products were designed for home repairs and did help to minimize costs when it comes to some basic repairs in your home. You Know what? When it comes to the best, Flex Tape is no exception!

The Flex Tape comes out of the box in a cylindrical shape and colors of black or white. Concerning size, the flex tape comes in three different product sizes, depending on the size of leak you wish to seal, bind or patch.

There is the Large size with size dimensions about 4’W x 5’L inches, the Jumbo size around 8’W x 5’L inches and there is also the giant size Flex Tape of 12’W x 10’L. A roll of Flex Tape comes with a cover backing to help protect the sticky surface. The cover backing has to be removed before it can be applied.

It comes in rubberized texture that maximizes its sticky power and helps seal to a surface irrespective of its shape.

The Make-Up Of Flex Tape

The Flex Tape is a well quantified adhesive embedded in a rubberized vinyl triple-thick tape. The construction makes it quite resistant to extreme temperatures even around 212oF and also makes it airtight. It resistant to extreme temperatures also affords it the ability to be used whether indoors or outdoors when applying.

Being a rubberized tape gives it enough elasticity to conform to any shape of the surface to be patched or bound. The Flex tape can indeed be used underwater due to its ability to resist water. The water-proof ability of Flex tape is because it is made out of a well-graded Vinyl.

That is to say that Vinyl is responsible for the ability of the material to resist water. The Vinyl is also responsible for making it resistant to ultraviolet light.

Flex Tape Review - Pool Repair Kit

Features and Benefits

UV resistant

The Flex Tape ability to resist Ultra-violent light ensures it is indeed a high-quality material that can’t degrade quickly with time. Presence of a UV stabilizer in the form of Vinyl in Flex Tape prevents the adhesive from cracking, changing its original color, losing its physical strength, and also to be able to maximize its functionality.

VOC free

VOC is known as Volatile Organic Compounds. These Volatile Organic Compounds are solvents which are usually applied in the manufacture of various adhesives popularly known today. These VOC’s gets emitted to the atmosphere and could be dangerous to your health. However, Flex Tape despite being an adhesive is free from VOC. Flex tape being VOC free ensures this product is safe for use and help keep health issues at bay and it was one of the reasons to make Flex Tape review.

Triple Thick Adhesive

The triple thick adhesive feature of the Flex tape confers on it the ability to weld itself to most surfaces. It is triple thick since it is made up of a cover backing (protects adhesives), an adhesive coating (binds directly to surface) and rubberized tape material (holds the adhesive).

Water resistant Sealant

Flex tape is a rubberized polymer, and one typical feature of polymer is that they are not soluble in water. Hence, Flex tape ability to act as a waterproof sealant. This feature allows the Flex Tape to be used as a binder under water and repair materials such as pipes that are responsible for the transport of water.

Rubberized structure

One important characteristic of most rubbery materials is that they are elastic and they have an extension. Their ability to expand allows them to conform to any shape. Flex Tape is a typical example of a strong rubberized Adhesive tape which makes it adapt to the shape of any surface it is applied to (provided it’s clean and less porous).

Suited for varying temperatures

This ability of Flex Tape to be used at varying temperatures allows it to be applied anywhere, be it indoors or outdoors and at locations of extreme temperatures. It can survive heat up to 212oF.

Flex Tape Review - Flex Tape Rubberized Waterproof Tape Black

Flex Rubberized Waterproof Tape


How to Use Flex Tape?

Okay, now that you are familiar with the Flex Tape and how useful it is for home repairs, I imagine you pondering on questions like: How can I Apply the Flex Tape? Or you might want to ask, is the Flex Tape suitable for all surfaces?

There are many instances where Flex Tape could come in handy; it could be used in patching a leaky pool, repairing a leaking hose and fixing the shape of a damaged item. When looking through this product online, I came across a video where the infomercial portrayed this adhesive’s ability in such a big way. In the commercial, there was a man who cut out a boat and then sealed it up with the Flex Tape to make it maintain its original shape.

There was another infomercial where the Flex Tape was applied to directly to a leaking cylindrical plastic container filled with water, on the application of Flex Tape, water from the container stopped leaking in a matter of seconds. All these are proofs (might not be genuine) of the Tape’s ability to be a sticky, super strong adhesive.

However, the actual reality of applying Flex Tape requires that you pay attention to some detailed instructions, especially if you want to maximize its function and make some healthy choices.

Flex Tape Review instructions are as follows:

Flex Tape Review - Tube Repair Kit

Now, note that the Flex Tape is not meant to be a permanent fix in solving all patching problems and may not bond to all surfaces. In our Flex Tape Review we recommend to use Flex Tape only as a temporary solution.

Using the Flex tape comes with the systematic process of Cleaning, cutting, peeling, sticking and then sealing.


First things first, before you apply the Flex tape, do ensure to clean off the surface you wish to apply your Flex tape. Get a neat rag to wipe off any form of dirt be it oil or mud from the surface. This step is essential as the Flex Tape cannot patch up surfaces effectively with traces of dirt.


With your roll of Flex Tape in place. Remove the desired length of tape you want by simply cutting with a disposable knife. The disposable knife should be one of high quality and should not be dull or blunt. In other cases, you could make use of a razor to cut carefully through the tape.


On cutting the required length of tape you need, you will notice a cover backing on the side of the Flex Tape. The cover backing is there to protect the tape from permanent sticking. Remember, the flex tape has an excellent sticking ability. Carefully place your hands at the cut edge of the Flex tape and peel through to expose the adhesive. However, while carrying out this action; avoid direct contact with your body.


Once the cover backing has been peeled off, it remains for you to apply Flex Tape to the surface you wish to patch. Sticking implies that you use it only to a clean surface and press down firmly to avoid bubbles or presence of air pockets.


Make use of your fingers or other utilities which could be a roller, blow dryer to pressurize the Flex Tape firmly on the surface continuously. The pressure is applied until no form of air pockets is in sight. For some surfaces, it might take up to 24 hours to achieve maximum adhesion to the surface.

Things to Note When Applying the Flex Tape

Irrespective of the fact that Flex Tape can be applied to a wide range of surfaces, There is need to note some Flex Tape Review little tips which are indeed helpful in ensuring maximum adhesion and know if it’s well suited for that particular surface.

[su_row][su_column size=”1/2″][su_box title=”Pros” box_color=”#00bcd3″ radius=”0″][su_list icon=”icon: chevron-down” icon_color=”#00bcd3″]

[/su_list][/su_box][/su_column] [su_column size=”1/2″][su_box title=”Cons” box_color=”#e4292f” radius=”0″][su_list icon=”icon: times” icon_color=”#e4292f”]


Flex Tape Review - Tube Repair Kit

Frequently Asked Questions


How long does Flex Seal last?

Flex seal can indeed last for an extended period. However, that would depend on the type of adhesive coating used and additives added to reduce degradation of the product. The Flex seal company, however, hasn’t stated how long their products could last, but some customers who have a good review have stated to last for months.

Keep in mind for one more time that the Flex tape is meant to be a temporary fix and should not be used as a patching solution in the long run.

Is Flex Seal tape permanent?

Be prepared for a disappointment if you think the Flex tape will serve its users in the long run. So, I will say No, as the Flex Seal tape is strictly meant to be a temporary, emergency repair kit and never a permanent solution to a leak problem or damage.

Can Flex Tape be removed?

Once Flex Tape is applied to a particular surface, it is often difficult to remove as the adhesive power gets stronger over time. Trying to force it out by hand could cause injury and could also damage the surface it is applied to. You can remove the adhesive by cutting out the tape layers by layers from the surface.

During preparing Flex Tape Review we found the more efficient way of removing Flex Tape is through the use of an Adhesive removal. It is convenient and easy to use an aerosol with the ability to remove the Flex Tape and other adhesive materials such as the glue, tars, bugs, and graffiti.

Use of the Flex Remover is the best option as it leaves no stain or sticky residue from the adhesive once it is wiped clean. In the absence of a Flex tape removal, you can make use of a Kitchen degasser to remove the tape too.

Is Flex Tape waterproof?

According to the product’s marketer Swift, He stated that the Flex tape is a super strong, waterproof, multipurpose, and adaptable tape.

The infomercial portrayed the best quality the product could have. However, one should not base the actual functionality of a product by just taking in the hook, line, and sinker of what’s being said on the commercial; it should be subjected to accurate testing. From what been told by some reviewers who tested the product they did observe that the tape couldn’t hold out water for long meaning it isn’t waterproof.

However, there were also positive feedbacks from people who purchased the item and laid claims that its waterproof ability is real. Left to me, the Flex tape seems to be a good waterproof adhesive provided all the step by step instructions are being followed.

How much does Flex Tape cost?

When it comes to the cost of getting a Flex Tape there comes a par. The Flex seal Tape does not come at a lower price, considering what the product stands to deliver and the material make up. Now, the price of a Flex tape also varies with the condition of size.

By ordering Flex Tape directly from Flex Seal you will get a delivery charge of $9.95 and a $9.99 processing fee. However, you could get it at a discounted price on the Amazon with free shipping.

What can Flex Tape be used for?

There’s are high chances of materials breaking in your home, and they do often require urgent repairs or fixes. In situations like this Flex, the tape can come to your rescue. It can help fix a leaking pipe in your home and use in patching broken items. Interestingly, apart from this basic use of Flex tape for home use, there are other fantastic ways the Flex tape can be used as stated by the Flex Seal website.

1. It can be used to eliminate bugs in the home by maximizing the tape’s ability to stick.

2. With the Flex Tape, you can avoid ruining your floors when moving items such as your home furniture. All you need do is add a swatch of Flex tape to the bottom end and edges of items. The flex tape acts as a lubricant by minimizing friction between the elements moved and the floors of your home.

3. Flex Tape can be used as a protecting agent to prevent breakage of items during windy times. It can protect against wind due to its elasticity. To maximize all you need do is wrap the tape around the things you want to protect.

4. Due to the waterproof ability of the adhesive, you can use the Flex tape as a tag or label on items to be placed under damp conditions.

How Long Does It Take Flex Seal to cure?

While the Flex tape is a rubberized tape with an Adhesive coating that gives it sticky mechanical properties and is available in tape rolls of different sizes, the Flex seal is a Liquid rubber that comes in an aerosol spray can, wherein liquid rubber is sprayed directly to a surface. It takes Flex seal 2 – 3 hours to dry to touch, and you get a solid hold material just after approximately 24 hours of application.

Is Flex Tape heat resistant?

Yes, the Flex Tape is an effective heat resisting tape that can withstand varying temperatures, even at extreme temperature.

Does Flex Tape work?

Yes, the Flex Tape works and can be used effectively. However, some customers were a bit displeased with the fact that Flex Tape did not live up to all its expectations. There were also positive feedbacks from customers who have used and tested this product.

Flex Tape Review - Flex Tape Rubberized Waterproof Tape

Flex Rubberized Waterproof Tape


Can I paint on the Flex Tape?

The Flex Tape doesn’t adhere to some specific types of paints. However, the Flex Seal aerosol could be used as a primer to transform the color of the Flex Tape once when sprayed on it.

Is Flex Tape nontoxic?

The Flex Tape is nontoxic has it doesn’t come with some typical component of adhesives such as Volatile Organic compounds (VOC). This VOC could result in acute headaches, nausea, and dizziness. Now, the tag VOC free was clearly stated on the Flex Tape covering showing that it is certified non-toxic.

What surfaces can I apply Flex Tape?

The Flex Tape can be applied to virtually all surfaces including Poly Vinyl Chloride (PVC), acrylic, metals (copper, aluminum and steel), ceramic, glass, rubber, plastic, fiber cloth, wet or drywall and smooth wood. Flex Tape will indeed adhere perfectly to these surfaces provided they are clean and not oily.

Final Words

In the final word of our Flex Tape Review, we can said that the Flex Tape is one of the latest offerings of Flex Seal product and has excellent sealant abilities being that it is waterproof, resistant to heat and grips firmly. It is non-toxic and can be applied easily than other Flex Seal products. Lessen your repair cost with this DIY product, and you will never regret it. This is for sure a great tool to have in workshop or home.

Did you like our Flex Tape Review? Please share your opinion in comments!

Scroll Up