Flex Paste Super Thick Rubber Paste, 8.75 fl oz, Clear
Flex Paste Super Thick Rubber Paste, 8.75 fl oz, Clear
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Flex Paste Super Thick Rubber Paste, 8.75 fl oz, Clear

4.1 stars out of 1278 reviews
(4.1)|
1,278 ratings
Flex Paste Super Thick Rubber Paste, 8.75 fl oz, ClearFlex Paste Super Thick Rubber Paste 1 lb ClearFlex Paste Super Thick Rubber Paste 8 75 fl oz WhiteFlex Paste Industrial Sealant Thick Rubber Paste 8 75 fl oz Black
Actual Color:Clear

Key item features

  • Flexible Rubber: Dries into a strong, flexible rubber that expands and contracts with surfaces.
  • Versatile Application: Can be applied on dry or wet surfaces, even underwater.
  • Durable Finish: Will not shrink, crack, or peel and can be painted any color once cured.
  • Multi-Surface Use: Works on wood, glass, tile, concrete, metal, brick, and more.
  • DIY Projects: Ideal for DIY, handyman projects, arts & crafts, and hobbies.
  • Waterproof Seal: Creates a watertight barrier that seals out air and moisture.
  • Indoor & Outdoor: Suitable for indoor and outdoor projects, including roof and RV repairs.
  • Easy Application: For best results, apply a generous amount with firm pressure to ensure better contact.
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Current price is $14.87
Price when purchased online
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About this item

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Customer ratings & reviews

4.1 out of 5 stars
stars1,278 ratings830 reviews
How item rating is calculated
  1. 5 stars63% (809)
  2. 4 stars12% (154)
  3. 3 stars7% (93)
  4. 2 stars4% (54)
  5. 1 star13% (168)

Reviews summary

Pros
  • : Forms a strong coating that seals out air, water, and moisture.
  • : Fills large gaps with a strong, flexible seal.
  • : Application process is straightforward and effortless.
  • : Forms a secure barrier to prevent liquid escape.
Neutral
  • : Can be easy to use and resealable, but also prone to damage or drying out.
  • : Can be a great value, but also feels overpriced to some.
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Showing 1-3 of 830 reviews

Jun 24, 2025
Barb
Top Reviewer
Item details
Color: Black
5 out of 5 stars review

Verified Purchase

Flex Paste Black Industrial Sealant 8.75 oz can

Had to let it dry a few days on a pipe leaking around the T off in the basement. A plumber told me I would have to spend big $$ to repair the cracked T-Pipe that runs through and up the sewer pipe to the roof. I had another plumber tell me this was so small to just patch it with this stuff and let it dry 48 hours no more leaking in the basement when the toilet and sink are used. It works well. No more leaking, or spending a grand replacing PVC pipes or cutting out dining room wall to run new pipe to the roof. And there is plenty left to do other repairs. Just make sure to put the lid back on with a rubber mallet so the paste does not dry out. Well worth the money I spent. Great Product.

Helpful?40Z3T6QHW6C012828301233
Nov 26, 2025
Stacey
Top Reviewer
Item details
Color: Black
Sold bySummit YieldDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Repairs in less than ideal conditions possible

As with all of the Flex products I have used, I am very pleased. One of the best parts about this paste, is it can be used on wet, not so clean surfaces, making on the spot repairs in less than ideal conditions possible, whereas the spray and brush on rubber sealants work best on dry, clean surfaces. Also, as with all Flex products, as long as the container is well sealed, it should last indefinitely. Once opened, I would slip this can into a zipbag just to be sure, as one of the two cans I ordered was already dried out, completely cured and will have to be refunded. Speaking of cure, rock hard! Since this is my first time using this product, durability is yet to be determined. Will it get crusty, cracked or sticky over time? We shall see. But, as it stand now, I love it and will most definitely use it in the future where applicable.

Helpful?40Z3T6QHW6C012828301233
Nov 3, 2025
Diane
Item details
Color: Clear
5 out of 5 stars review

Verified Purchase

Watergarden repair

it did an excellent job on sealing some small weep holes in my watergarden. The consistency of the paste was wonderful for the type of project and I enjoyed the clear color. I would recommend this product as well as I would use it again myself.

Helpful?40Z3T6QHW6C012828301233