Flex Seal Liquid Rubber Sealant Coating, 32 oz, Black
Flex Seal Liquid Rubber Sealant Coating, 32 oz, Black
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Flex Seal Liquid Rubber Sealant Coating, 32 oz, Black

Flex Seal Liquid Rubber Sealant Coating, 32 oz, BlackFlex Seal Liquid Rubber Sealant Coating 32 oz Black4 pack Flex Seal Liquid Rubber Sealant Coating 32 oz Black
Pack Size:Single

Key item features

  • Versatile Application: Thick rubberized liquid that you can brush, roll, dip, or pour for various uses.
  • Large Coverage: Ideal for covering large surface areas efficiently.
  • Durable Protection: Mildew, chemical, and UV resistant for long-lasting use.
  • Watertight Seal: Dries to a watertight, airtight, flexible, rubberized coating.
  • Multiple Uses: Suitable for roof and gutter repairs, ponds, basements, tools, vehicles, boats, DIY projects, and more.
  • Wide Compatibility: Recommended for surfaces like concrete, glass, brick, wood, plastic, tile, fabrics, metal, and many others.
  • Weatherproof: Seals and protects surfaces from water, air, moisture, and extreme temperatures.
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Current price is $34.87
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Customer ratings & reviews

4.5 out of 5 stars
stars560 ratings314 reviews
How item rating is calculated
4.5
4.4
4.3
4.2
3.9
3.1
  1. 5 stars74% (417)
  2. 4 stars11% (62)
  3. 3 stars6% (35)
  4. 2 stars2% (11)
  5. 1 star6% (35)

Reviews summary

Pros

  • : Fills small cracks and crevices immediately.
  • : Applies thickly, levels out over time.
  • : Straightforward application with a brush or pouring.
  • : Provides reliable protection against rain and water.
  • : Forms a seal to stop leaks in various surfaces and applications.

Neutral

  • : Can be effective, but inconsistent across applications.
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Showing 1-3 of 314 reviews

May 9, 2026
Annette
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Rubber Sealer

Have used this product before. Haven't had any problems.(haven't tried sealing a boat, yet?) ; ) That said, If your thinking of going back over your work(aka second coat). Better to wait til it dries. So, you get a smooth look(looks better) Just saying. ; ) So, Yes I would recommend this product.

Helpful?4MGMSFAO48YC54189335
Aug 30, 2025
Bryan
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

rv seal

used this product to seal around outside items on my rv. like the compartment doors , stove vent etc. works like a charm. make sure you wear gloves when using this product

Helpful?4MGMSFAO48YC54189335
Aug 14, 2025
April
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

IT WORKS!!

It's works just as it said it would….. I suffered with a leak during rain on my sunroof and when I say 10/10 it's 10/10. Now I recommend using gloves or something to protect your hands because it's a hassle to clean up if you mess up

Helpful?4MGMSFAO48YC54189335