Gorilla, Duct & Flex Tape | The Comparison and Which Is Best in Underwater?

There are many reasons you will need a tape for your watersports or watercraft. Finding the best tape to use in watercraft can be a difficult task as there are many types of tape available to choose from. You should pick tape that is water-resistant and strong enough to stand up to more complicated circumstances. There are various brands available in the market, and they offer different types of tape like Gorilla tape, duct tape, and flex tape. We have analyzed the different types of tapes to help you find out what they are and which brand will work best for you.

What Is Gorilla Tape?

Gorilla Tape is a type of duct tape that is designed with a double power bonding agent and a protected water-resistant backing. This type of tape is perfect for a wide range of materials, including brick, wood, stone, etc. Other kinds of tapes may not always stick to every element. Gorilla tape is UV resistant, and you don’t require scissors to cut this type of tape. Moreover, in extreme temperatures, gorilla tape works perfectly.

What Is Duct Tape?

Many people know/call duct tape like duck tape because of the duck brand. Duct tape was initially designed to seal ammunition cases for military use during World War II. However, people nowadays use it domestically because of its versatility and ease of use. Duct tape is available in silver or black color, and you can easily slit off the tape from the roll. Therefore, you won’t need scissors to cut it. Duct tape is water-resistant as it has a water-resistant top layer.

What Is Flex Tape?

The name “flex” suggests the flexibility of this tape. It is a rubberized tape, and it is designed to be stretchy enough to stick to all sorts of shapes. Flex tape is waterproof, and it can adhere to wet surfaces withholding its grip underwater. This tape is designed to seal out air and water, and it should stick to many types of surfaces. However, flex tape is not suitable for plastics and certain other materials. Another disadvantage of flex tape is you can’t use it right away as it requires a minimum of 24 hours to take hold.             

The Comparison between Gorilla, Duct, or Flex Tape

Gorilla, duct, and flex tape is useful for anything but different tape works batter in a different condition, material, and surface. So we make a comparison between these tapes.    

Gorilla TapeDuct TapeFlex Tape
The Sturdiness of gorilla tape is great. It took 85 pounds to break the Gorilla tape. Yet still, you can easily tear this tape by hand.The sturdiness of duct tape is less compared to gorilla tape. It took less than 35 pounds of weight to break the tape.The flex tape is the weakest of all three tapes.
The Stickiness of gorilla tape is also great. The tape can hold its wires in place for a week. The stickiness of this tape is also not that great compared to gorilla tape. It only can hold its wires in place for a night. The Stickiness of flex tape is good, but it requires quite a bit of time to reach its maximum hold.
Water Resistance of gorilla tape is great. The stickiness of the tape was not compromised by a week in the water.The Water Resistance of duct tape is average. The stickiness of the tape was compromised in copper and PVC bundles for both wet and dry conditions.   The Water Resistance of flex tape is good, but it won’t stick to certain waterproof materials.

Which Type of Tape is Best in Underwater?

One thing is clear that all these tapes are designed to be resistant to water. Though, one may work better than the other depending on which material you are using the tape. For emergency repairs or damage control, duct tape is the best option. But if you require underwater use, then gorilla tape will be the best option.

For kayaks, gorilla tape can act as a keel guard on the hull while drugging it along the ground. Gorilla tape can provide an extra level of protection for your kayaks with its thick layer. Moreover, gorilla tape can stay put in wet conditions because of its extra-strong adhesive.

One of the disadvantages of gorilla tape is; if the tape is removed after a long time, then it may leave behind some mark from the bonding agent though there is nothing to worry about as you can use acetone to remove the marks.

Manufacturers claim that flex tape is waterproof, but there is evidence that shows flex tape doesn’t stick to water repellent and certain plastics. So if your kayak is made of plastics, then it will be wiser not to use flex tape on it.                     

Bottom Line

So the battle is between the gorilla tape and the duct tape. And the winner is gorilla tape because it is much thicker, stronger, and stickier than other tapes. Now the choice is yours!

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