Flex Seal Liquid Rubber Sealant, 32 fl oz. White
Flex Seal Liquid Rubber Sealant, 32 fl oz. White
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Flex Seal Liquid Rubber Sealant, 32 fl oz. White

4.5 stars out of 424 reviews
(4.5)|
424 ratings

Key item features

  • Flexible Watertight Coating: Dries into a flexible, rubberized coating that is watertight, effectively sealing cracks and holes.
  • Safe Application Methods: Non-hazardous, non-toxic, and non-flammable, it can be brushed, rolled, dipped, or poured for versatile application.
  • Durable Weather Protection: Forms a durable, breathable, weatherproof, and non-slip barrier resistant to various elements including rain, snow, UV, and extreme temperatures.
  • Extensive Surface Compatibility: Adheres to a wide range of surfaces such as concrete, wood, metal, plastic, fabrics, and many types of roofing materials.
  • Broad Application Versatility: Suitable for numerous applications including roof and gutter repairs, pond sealing, automotive, RVs, boats, and various DIY projects.
  • Protective Barrier Properties: Blocks out air, water, and moisture, preventing rust and corrosion, and is also mildew- and chemical-resistant.
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Customer ratings & reviews

4.5 out of 5 stars
stars424 ratings306 reviews
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Reviews summary

Pros
  • : Made with sturdy and long-lasting components.
  • : Application requires minimal effort and is straightforward.
  • : Fixes kitchen and bathroom leaks.
  • : Suitable for various household and diy tasks.
Neutral
  • : Can be effective for small leaks, but may not seal larger ones.
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Showing 1-3 of 306 reviews

Feb 26, 2024
JackieF
5 out of 5 stars review

Seller Verified Purchase

Great Stuff!

We had some water coming in our basement through a concrete wall. We painted the entire wall with flex seal and it sealed the deal. It really works and is easy to use. We have used this product before and it does the job...it works exactly like they say...you will not be disappointed.

Review from flexsealproducts.com
Helpful?5CFDLJJP0M1S52550748
reply from Flex Seal Family of Products Customer Care

Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@flexsealproducts.com. Flex On!

Oct 12, 2023
mtrctyjake
5 out of 5 stars review

Seller Verified Purchase

Liquid Rubber is the BEST!

I used Flex Seal liquid rubber on a hairline crack on outer basement wall, application went on easy, used two coats...I feel very confident this will solve my problem. I researched many different products and I believe this is the Best product for my problem...Lord willing I'll have no more leaks!

Review from flexsealproducts.com
Helpful?5CFDLJJP0M1S52550748
reply from Flex Seal Family of Products Customer Care

Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at humans@flexsealproducts.com. Flex On!

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?5CFDLJJP0M1S52550748
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!