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General Overview

What is The Flex Seal® Family of Flood Protection Products?

Our UL Verified Flood Protection products consist of Flood Paste, Flood Liquid, Flood Spray and Flood Tape. They are specifically designed to work in combination to create a super-strong, waterproof barrier that can help slow down or even stop water

Where Can I Find Specific Details for Sealing Doors, Windows, Garage Doors, Vents, Ducts, Crawl Spaces, Conduits, Outlets, and Other Types of Openings?

Go to: flexsealproducts.com/flood to find detailed video instructions about how to seal all types of openings.

What Protective Gear is Recommended When Applying the Flex Seal Flood Protection Products?

Always use protective gloves, clothing, and eyewear.

In What Sizes are the Flex Flood Protection Products Currently Available?

Flood Protection Paste is available in a 9 oz cartridge and 3 individually wrapped 8.75 oz sleeves. Flood Protection Liquid is available in a 10 oz jar, a 28 oz can, and a 122 oz can. Flood Protection Spray is currently available in a 10 oz aerosol.

What Coverage do the Flex Seal Flood Protection Products Provide?

Coverage is product specific and will depend on the thickness of the application. Go to: https://flexsealproducts.com/blogs/flood-how-tos/flood-protection-products-coverage for additional details.

Why Do I Need to Use Multiple Flood Protection Products?

Using our Flood Protection products in combination with one another will create multiple, overlapping layers of protection and increase your chance of holding back floodwaters.

Should I Apply Them to the Exterior or Interior of the Structure?

Apply all Flood Protection products to the exterior of the structure where water meets the building.

Are the Flood Protection Products Guaranteed to Stop All Floodwaters Every Time?

No. Every structure is different. Depending on the age and type of construction, there may be areas that can’t be seen or sealed. Unsealed porous surfaces may seep water during extended underwater exposure. So, it’s impossible to stop all floodwaters

What Are the Limitations of Flex Flood Protection Products?

Our Flood Protection products are not designed to protect against extreme winds, water pressure, flying or floating debris. They are also not intended to stop water from flash floods or if there is structural damage to the building.

Do I Need to Support the Garage Door?

We recommend that you reinforce/brace your garage door. High water levels could cause the door to bow and break the flood protection seal.

Should I Remain in the Structure After Sealing It?

Always follow your State and Local weather advisories and evacuation orders.

How Long Before a Storm or Flood Should I Apply the Products?

Please allow approximately 24-48 hours for the final layer of Flood Protection products to dry before floodwaters arrive.

What is the Recommended Application Temperature for Flood Protection Products?

For best results, our Flood Protection products should be applied in temperatures between 32°F - 120°F.

How Should I Prepare the Surfaces to Be Sealed?

Proper preparation of the surface being sealed is extremely important. Make sure the area being sealed is completely clean and dry. You’ll also want to remove any sharp objects, such as nails, glass, or splintered wood that could cause injury. Go to:

How High Up Each Opening Should I Apply Flood Protection Products?

Extend the surface preparation and product application to a minimum of one foot above the expected height of flood or storm waters.

Have the Flood Protection Products Been UL Tested and Verified?

When used in combination and as directed, our Flood Protection products have been independently verified, in a controlled laboratory setting, by UL Solutions to hold back up to 3 feet of water for 14 days on gaps up to ½ inch.

I Am Ready to Begin Sealing the Structure. What Should I Do First?

We’ve created a series of easy-to-follow “How-To” videos which will provide you with step-by-step directions for sealing your home or business. For instructions go to: flexsealproducts.com/flood.

Is There a Suggested Game Plan or Method I Can Use to Save Time Sealing a Structure?

Yes. Whether you’re sealing a door, window or crawl space, the concept remains the same—completely seal all openings where water may enter, using multiple layers of our Flood Protection products. For details, watch our “Important Information” how-to

How Long Does Each of the Flood Protection Products Take to Dry?

Dry times are product specific and depend on the thickness of the application, temperature, and humidity. Go to: https://flexsealproducts.com/blogs/flood-how-tos/flood-protection-products-dry-time for details and watch our “Dry Times” how-to video.

What Are Suggested Best Practices for Applying All Our Flood Protection Products?

Flood Paste in a Cartridge is our primary Flood Protection product. Use it as the base coat for your first layer of protection. Use Flood Tape on even, smooth, flat surfaces in combination with our other Flood Protection products to create multiple o

Will the Flood Protection Products Discolor a Surface?

Under certain circumstances Flood Protection products may leave a residue or shadow on untreated porous surfaces upon removal.

How Do I Remove the Flex Seal Flood Protection Products?

To remove the products, grab a small portion of the material from the edge and begin to pull it away from the structure. Any remaining residue can be removed using a rag and denatured alcohol. Go to: https://flexsealproducts.com/blogs/flood-how-tos/r

How Long Have the Flex Seal Family of Flood Protection Products Been in Development?

Our Flood Protection products have been in R&D for more than three years. They have been through rigorous testing both internally and independently by UL Solutions (formerly Underwriter’s Laboratories).

What is UL Solutions?

Established in 1894, UL Solutions is an independent, global leader in applied safety science. Part of the company’s mission is the prevention or reduction of loss of life and property, with the overall goal of making the world a safer place.

What is UL Verification?

UL Verification is an objective, science-based assessment that confirms the accuracy of marketing claims. The UL Verification Mark serves as a recognized symbol of trust. It is given to products that have been submitted to UL Solutions for independen