Flex Paste, from Flex Seal, Super Thick Rubber Paste, 9 oz, Black
Flex Paste, from Flex Seal, Super Thick Rubber Paste, 9 oz, Black
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Flex Paste, from Flex Seal, Super Thick Rubber Paste, 9 oz, Black

4.1 stars out of 221 reviews
(4.1)|
221 ratings
Pack Size:Single-Out of stock

Key item features

  • Versatile Repairs: Fix cracks, holes, and perform foundation, concrete, bath, shower, roof, RV, motorhome, auto, and boat repairs.
  • Indoor & Outdoor Use: Suitable for both indoor and outdoor projects, including lawn and garden tasks.
  • Waterproof Seal: Creates a watertight barrier that seals out air and moisture, preventing flood damage.
  • Rodent & Pest Control: Helps seal out rodents and pests by filling large voids.
  • Easy Application: Apply with firm pressure using a putty knife or trowel; can be used on windows, doors, vents, and thresholds.
  • Durable & Flexible: Dries to a waterproof, flexible rubber that won't dissolve or wash away, even underwater.
  • Artistic Potential: Allows for adding designs and patterns to create unique artistic textures.
  • Coverage: One pound provides about 10 linear feet at 2 inches wide with a layer thickness of approximately 1/16th inch.
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Current price is $15.99$1.78/fl oz
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4.1 out of 5 stars
stars221 ratings152 reviews
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Showing 1-3 of 152 reviews

Sep 26, 2024
Mchandy
5 out of 5 stars review

Verified Purchase

used it to fix a leaking gap in between the top of the windshield and the roof of my trunk i used everything auto grade but this stuff works amazing.

Helpful?2UOTXW0BZ994901098304
Apr 1, 2025
none
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

fix your roof with a quality product

Helpful?2UOTXW0BZ994901098304
Apr 30, 2022
Walmart customer
5 out of 5 stars review

Seller Verified Purchase

Great Leak Stopper

A couple of weeks ago I received my Flexseal product. I used it to try and stop a persistent basement sewer drain pipe leak that ran from a sewer drain pipe from the house through the basement's cement wall outside to my septic tank. Unfortunately, in the past , everything I tried failed to stop the small leak. However, after I smeared it with the Flexsea, as best I could, and after three or four days I was delighted to see that it no longer leaked. I was delighted to see that it no longer leaked! Great job.

Review from flexsealproducts.com
Helpful?2UOTXW0BZ994901098304
reply from Flex Seal Family of Products Customer Care

Hi there, thank you so much for sharing your 5 stars 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!