Flex Seal Vs Gorilla Spray – [Features, Durability and Versatility]

Flex Seal and Gorilla Spray are popular waterproofing sealants, each with their own unique qualities and strengths.

Flex Seal Vs Gorilla Spray


The composition of Flex Seal and Gorilla Spray plays a crucial role in determining their effectiveness for various sealing and repair tasks. Each product boasts a distinct formula that sets it apart in terms of performance and versatility.

Ingredients Of Flex Seal

  • Proprietary Rubberized Formula
  • Liquid Rubber
  • Thickening Agents
  • Pigments
  • Propellants

Ingredients Of Gorilla Spray

  • Hydrocarbon Propellant
  • Acrylic Copolymer
  • Mineral Spirits
  • Additives
  • Pigments


When it comes to waterproofing, patching, and sealing items, it’s crucial to understand how to apply Flex Seal and Gorilla Spray effectively.

Proper application ensures optimum results and durability. Let’s delve into the specific application techniques for both products.

How To Apply Flex Seal?

To apply Flex Seal, follow these simple steps:

  1. Clean: Ensure the surface is clean and free from dirt, grease, and oil.
  2. Shake: Shake the can well before using to activate the sealing components.
  3. Spray: Hold the can approximately 8-12 inches away from the surface and apply an even coat.
  4. Reapply: For optimal sealing, apply multiple coats, allowing each coat to dry between applications.
  5. Cure: Let the Flex Seal cure completely before exposing it to water or extreme conditions.

How To Apply Gorilla Spray?

To apply Gorilla Spray, the following steps are recommended:

  • Clean: Thoroughly clean the surface and ensure it’s free from dust, debris, or contaminants.
  • Shake: Shake the can vigorously for about a minute to activate the formula.
  • Spray: Hold the can 8-12 inches away and apply a consistent layer, allowing it to overlap by 50% for coverage.
  • Multiple Coats: For maximum strength and durability, apply multiple coats, with drying time between applications.
  • Cure: Allow the Gorilla Spray to cure for 24 hours before exposing it to moisture or heavy use.


Let’s dive into the key features of Flex Seal and Gorilla Spray to help you make an informed decision:

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Flex Seal Features

  • Creates a waterproof barrier instantly
  • Adheres to various surfaces like metal, wood, plastic
  • Can be painted over for a seamless finish

Gorilla Spray Features

  • Provides heavy-duty bond and sealing power
  • Resistant to water, UV rays, and extreme temperatures
  • Works on both indoor and outdoor projects


Flex Seal and Gorilla Spray are both renowned for their durability. However, the advantage of Flex Seal lies in its ability to withstand extreme weather conditions and temperature changes.

On the other hand, Gorilla Spray is known for its superior adhesion and resistance to impact, making it an ideal choice for heavy-duty applications.

Durability is a crucial consideration when choosing the right product for your projects or repairs. In this blog post, we will compare two popular options in the world of adhesives and sealants:

Flex Seal and Gorilla Spray. Both products are known for their strength and versatility, but when it comes to durability, which one truly stands out? Let’s dive into the longevity of Flex Seal and Gorilla Spray.

Longevity Of Flex Seal

Flex Seal has gained a reputation for its long-lasting performance. This revolutionary liquid rubber sealant forms a durable, waterproof barrier that is resistant to the effects of weather, UV rays, heat, and cold.

Whether you are sealing a leaky roof or repairing a broken pipe, Flex Seal offers exceptional durability that withstands the test of time.

When applied correctly, Flex Seal can provide a protective coating that lasts for years without cracking or peeling.

Its strong adhesive properties ensure a secure bond to various surfaces, including metal, wood, plastic, concrete, and more. This makes it an ideal choice for a wide range of projects and repairs, both indoors and outdoors.

Longevity Of Gorilla Spray

Gorilla Spray is another popular option known for its durability and strength. This heavy-duty adhesive spray forms a permanent bond that can withstand extreme conditions. Whether you are working on DIY projects, crafts, or repairs, Gorilla Spray offers a robust solution that holds up over time.

With its unique formulation, Gorilla Spray creates a strong bond on surfaces such as fabric, foam, glass, metal, plastic, and wood. It is designed to resist moisture, UV rays, and temperature fluctuations, ensuring that it remains intact even in challenging environments.

Gorilla Spray’s durability is especially evident in high-impact and heavy-duty applications. It provides a long-lasting bond that can handle the toughest of jobs, making it a reliable choice for professionals and DIY enthusiasts alike. In conclusion, both Flex Seal and Gorilla Spray are notable options when it comes to durability.

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Whether you choose Flex Seal with its versatile liquid rubber or Gorilla Spray with its heavy-duty adhesive properties, you can trust that both products will provide long-lasting results. Consider the specific needs of your project or repair to determine which option is best suited for you.


Gorilla Spray and Flex Seal offer impressive versatility in various applications.

Multiple Uses Of Flex Seal

  • Seals leaks in roofs.
  • Mends cracks in pipes.
  • Repairs gutters and drains.

Multiple Uses Of Gorilla Spray

  1. Creates a waterproof barrier on surfaces.
  2. Bonds materials like wood, metal, and plastic.
  3. Protects surfaces from corrosion and UV damage.

Weather Resistance

Flex Seal and Gorilla Spray are both known for their exceptional weather resistance.

These powerful products offer long-lasting protection against rain, snow, and extreme temperatures, ensuring that your surfaces stay protected in any weather condition.

Choose between these durable options for reliable weatherproofing.

Flex Seal Performance In Various Weather Conditions

Flex Seal is a popular choice for sealing and protecting surfaces from different types of weather conditions. Its unique formula ensures that it can withstand even the harshest weather elements year-round.

Whether it’s scorching heat, pounding rain, or freezing temperatures, Flex Seal remains durable and reliable. Here’s a breakdown of how Flex Seal performs in various weather conditions:

Gorilla Spray Performance In Various Weather Conditions

Gorilla Spray, on the other hand, is also known for its exceptional weather resistance. It is specifically designed to endure extreme weather conditions, making it an excellent choice for outdoor projects.

Gorilla Spray effectively stands up to intense heat, heavy rain, and freezing cold. Its robust formula ensures that it remains intact, providing long-lasting protection against the elements.

Comparing Flex Seal And Gorilla Spray In Weather Resistance

To better understand the weather resistance of Flex Seal and Gorilla Spray, let’s compare their performance in different weather scenarios:

Weather Conditions Flex Seal Gorilla Spray
Heat Withstands high temperatures without losing its bond or effectiveness. Designed to endure extreme heat without compromising its durability.
Rain Repels water effectively, preventing any leakage or damage. Provides a reliable, waterproof barrier, keeping surfaces protected from heavy rain.
Cold Resistant to freezing temperatures, ensuring its adhesive properties remain unaffected. Endures freezing temperatures, maintaining a strong grip on surfaces.

Both Flex Seal and Gorilla Spray offer outstanding weather resistance, making them suitable for a wide range of applications.

Whether you’re repairing a leaky roof, sealing outdoor cracks, or protecting surfaces from the elements, these products have got you covered. So, no matter the weather conditions, you can trust Flex Seal and Gorilla Spray to stay strong and reliable.


When it comes to sealing and repairing, choosing the right product that offers cost-effectiveness is crucial. Today, we’ll compare the cost-effectiveness of two popular sealants – Flex Seal and Gorilla Spray.

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Let’s dive into the value for money each product offers:

Value For Money: Flex Seal

Flex Seal provides exceptional value for money with its versatile application and durable sealing capabilities. It not only effectively seals leaks but also serves as a protective coating for various surfaces.

The cost-effectiveness of Flex Seal lies in its ability to eliminate the need for expensive replacements or repairs, saving you both time and money in the long run.

Value For Money: Gorilla Spray

Gorilla Spray is another cost-effective option that offers value for money. Its robust adhesive properties and water-resistant nature make it a reliable choice for a variety of sealing and repair needs.

With its long-lasting durability, Gorilla Spray provides a cost-effective solution, ensuring your repairs withstand the test of time without breaking the bank.

Flex Seal Vs Gorilla Spray


Frequently Asked Questions For Flex Seal Vs Gorilla Spray

Is Gorilla Waterproof Spray Better Than Flex Seal?

Gorilla waterproof spray is generally more effective than Flex Seal for waterproofing.

Does Gorilla Seal Spray Work?

Yes, Gorilla Seal Spray is an effective product for sealing and waterproofing various surfaces. It provides a strong and durable seal, making it suitable for a wide range of applications.

With its reliable performance, it can be a great solution for your sealing needs.

What Should You Not Use Flex Seal On?

Do not use Flex Seal on surfaces that need flexibility, such as cars, tires, or areas exposed to high heat. Avoid using it on drinking water containers or surfaces that will be submerged in water for long periods.

Furthermore, do not use it on items that will be in direct contact with food.

Does Flex Seal Really Stop Leaks?

Yes, Flex Seal effectively stops leaks by creating a watertight seal on various surfaces.


Considering their unique features, both Flex Seal and Gorilla Spray offer effective solutions for various sealing needs. While Flex Seal boasts versatility and ease of use, Gorilla Spray provides strong adhesion and durability.

Ultimately, the choice between them depends on your specific sealing requirements and preferences. Choose wisely based on what suits your project best.

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