Flex Seal Liquid Rubber Sealant Coating, 1 Gallon, White
Flex Seal Liquid Rubber Sealant Coating, 1 Gallon, White
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Flex Seal Liquid Rubber Sealant Coating, 1 Gallon, White

Flex Seal Liquid Rubber Sealant Coating, 1 Gallon, WhiteFlex Seal Liquid Rubber Sealant Coating 1 Gallon White
Size:1 gal
Pack Size:Single

Key item features

  • Ultimate Sealing: Flex Seal is a liquid rubber sealant coating that effectively stops leaks, creating a durable barrier to coat, seal, and protect surfaces.
  • Efficient Coverage: A single gallon of this sealant covers approximately 150 square feet, making it an efficient choice for both small repairs and larger projects.
  • Broad Application: Designed for application on clean surfaces within a temperature range of 32°F to 120°F, ensuring year-round usability.
  • Extreme Durability: Once cured, it withstands extreme temperatures from a frigid -80°F to 350°F, maintaining integrity in challenging conditions.
  • Protective Properties: Features UV resistance for long-lasting protection against the sun's harmful rays, and is non-toxic, non-flammable, and resistant to chemicals and mildew.
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Current price is $109.98$109.98/oz
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Customer ratings & reviews

4.4 out of 5 stars
stars486 ratings302 reviews
How item rating is calculated
  1. 5 stars74% (361)
  2. 4 stars11% (55)
  3. 3 stars4% (19)
  4. 2 stars1% (4)
  5. 1 star10% (47)

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Showing 1-3 of 302 reviews

May 22, 2026
Joyce
Item details
Size: 1 gal
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great leak stopper.

Had several small holes in my metal roof. Applied a thick coat of flex seal and that fixed the problem. No leaks, my plan is to use flex seal as my roof coating moving forward.

Helpful?5OMJ5KKVQQIQ54189332
Dec 21, 2022
sumozilla
5 out of 5 stars review

Seller Verified Purchase

Great product , 10000's of uses .

Excellent product !! I used it to repair a pair of tactical shoes that were coming apart [ very expensive shoes ] . Worked great , these shoes will probably now last my lifetime . If they need more repair i'll use Flexseal again . I'm already thinking of other ways to use Flexseal , my mind is racing . On my short list of must have products .

Review from flexsealproducts.com
Helpful?5OMJ5KKVQQIQ54189332
reply from Flex Seal Family of Products Customer Care

Hi there, thank you so much for sharing your Flex Success with us! We're happy to hear the Flex Seal Family of Products is working great for your projects and repairs. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at Humans@FlexSealProducts.com. Flex On!

Sep 29, 2025
anonymous
Item details
Size: 1 gal
Multipack quantity: 1
4 out of 5 stars review

Verified Purchase

Good but overpriced product

Product was very easy to use and did the job but the price tag is very overpriced. I found another comparable product after this purchase for $40 instead of $110. Wish I had seen that first.

Helpful?5OMJ5KKVQQIQ54189332