Flex Seal Tape Vs Gorilla Tape

When it comes to heavy-duty tape, two of the most popular options on the market are Flex Seal Tape and Gorilla Tape. Due to their strength, durability, and waterproof properties, these tapes are ideal for a wide range of repairs.

Gorilla Tape is stronger and better suited for heavy-duty repairs, while Flex Seal Tape is ideal for creating a watertight seal. But both Flex Seal Tape and Gorilla Tape are strong, durable, and waterproof, making them ideal for a variety of repairs.

However, their performance in different situations can be affected by some key differences. In this article, I will compare flex seal tape vs. gorilla tape to help you choose the right one for your next project.

Read More: 3M VHB Vs. Gorilla Tape

Flex Seal Tape Vs. Gorilla Tape

Overview of Flex Seal Tape

Flex is a popular brand of waterproof seal tape that is designed to provide a watertight seal on a variety of surfaces. With its strong, flexible backing and a thick layer of adhesive, it produces a strong and durable bond between the surface and the adhesive.

Flex Seal Tape is highly weather-resistant, making it ideal for outdoor applications such as roof, gutter, and pipe repair. Additionally, it can be used to repair plumbing and electrical issues and to repair general household damage.

Flex Seal Tape can be used in a variety of applications due to its variety of colors and sizes. With scissors or a knife, it can be cut to size. Furthermore, it is heat-resistant and can be applied to hot surfaces.

Flex Seal Tape

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Overview of Gorilla Tape

Gorilla is a popular brand of heavy-duty, weather-resistant duct tape. It provides a strong and reliable hold on rough and uneven surfaces. With its reinforced backing and a thick layer of adhesive, Gorilla Tape offers added strength and durability.

Its ability to withstand harsh weather conditions makes Gorilla Tape ideal for outdoor applications. A variety of indoor projects can be carried out with the tool, such as repairing household items and furniture. There are wide varieties of Gorilla Tape available, including black, white, and clear, as well as different widths and lengths.

Among DIY enthusiasts, contractors, and professionals alike, Gorilla Tape is known for its versatility and strength. Providing a reliable hold in tough conditions, it is an excellent choice for so many applications.

Read More: Flex Seal vs. Gorilla Spray Seal

Gorilla Tape

Flex Tape vs. Gorilla Waterproof Patch and Seal

Flex Tape and Gorilla Waterproof Patch and Seal are both waterproof sealing solutions.

Flex Tape is a strong adhesive tape that instantly patches and seals various surfaces, while Gorilla Waterproof Patch and Seal is a liquid coating used for larger repairs.

Flex Tape is suitable for quick fixes, while Gorilla Waterproof Patch and Seal is better for larger areas or projects.

Comparison Between Flex Seal Tape and Gorilla Tape

Gorilla Tape and Flex Seal Tape are both popular heavy-duty, waterproof tapes. Both tapes have some key differences that should be considered when choosing one over the other.


Both tapes are waterproof and weather-resistant, but Flex Seal Tape is marketed specifically for waterproofing and sealing. It is particularly effective for outdoor use, such as repairing roofs, gutters, and pipes.

Adhesive Strength

Gorilla Tape has a very strong adhesive, making it ideal for applications requiring permanent, long-lasting bonds.

Flex Seal Tape also has a strong adhesive, but it is designed to be removable and repositionable, making it easier to use in certain applications.


Although both tapes are durable and can withstand harsh weather conditions, Gorilla Tape is generally considered to be more durable and long-lasting, especially in extreme temperatures.


The Flex Seal Tape has a flexible backing that conforms to the surface shape, making it easier to use with uneven surfaces.

As Gorilla Tape is more rigid, it is more suitable for applications that require a more solid, stable hold.

Read More: Drylok Vs. Flex Seal

Which Tape is Right for You? Flex Seal Tape or Gorilla Tape?

Ultimately, it really comes down to your individual needs when deciding between Flex Seal Tape and Gorilla Tape. If you’re looking for a tape that’s extremely strong and durable, Gorilla Tape may be the better option. It’s a good idea to use Flex Seal Tape if you want a watertight seal.

If you are not sure which tape is right for your needs, consider the type of repair you are trying to make. It is best to use Flex Seal Tape when you need to repair a leak in your roof or gutter. Gorilla Tape may be a better choice if you need to secure a tarp or repair a broken pipe.

How Long Will Gorilla Tape Last?

A variety of factors can affect Gorilla Tape’s lifespan, including its particular application, environmental conditions, and surface quality. In general, Gorilla Tape is designed to provide a strong and reliable hold for up to two years.

Can Gorilla Tape Be Removed?

Yes, Gorilla Tape can be removed, but it can be difficult to do so. When removed, Gorilla Tape may leave behind adhesive residue or damage the surface since it provides a strong and permanent hold.

Is Flex Seal Tape a Permanent Repair?

Flex Seal Tape is designed to provide a strong, permanent hold, but the effectiveness of the repair can depend on several factors, such as the specific conditions and environment to which the tape is exposed to.

Last Opinion

Ultimately, the choice between Flex Seal Tape and Gorilla Tape comes down to your specific requirements. If you need a tape that is incredibly strong and durable, Gorilla Tape may be the better choice. When it comes to creating a watertight seal, Flex Seal Tape is the way to go.

Here, I compared flex seal tape vs. gorilla tape to help you find the perfect tape for your project. However, if you are not sure which tape is best for your needs, consider trying both and seeing which one works best.

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  1. Would you share your personal recommendation, flex seal vs gorilla WP tape, for a crack in the bottom of a cartop carrier?

    1. For a crack in the bottom of a car-top carrier, I’d recommend using Gorilla Waterproof Tape. It’s strong, easy to apply, and should provide a reliable seal for a simple crack. Ensure the surface is clean and dry before application for best results.

  2. Thank you for your feedback on both products. This was a really good breakdown on gorilla glue and Flex Seal tape. This helps me to make a decision, and may need both for different reasons.👍👍👍👍👍

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