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About this item

Highlights

  • The perfect liquid rubber for all types of surfaces
  • Easily dip into this can with a brush or pour it into a pan for use with a roller
  • The Flex Seal stops leaks fast by seeping into cracks and holes to keep out air and moisture
  • Leak stopper that resists cracking and creates a weatherproof and watertight seal
  • Can be used on metal, concrete, plastic and ceramic surfaces "” dries clear!

Specifications

Dimensions (Overall): 3.38 inches (L) x 3.38 inches (W) x 4 inches (H)

Weight: 16 ounces

Capacity (Volume): 1 pint

Product Form: Liquid

Recommended Use: Multi-purpose

Protective Qualities: Weatherproof, Weather-resistant, Waterproof

Product Results: Weatherproof Seal, Watertight Seal, Resists Cracking, Protects Against Mold and Mildew, Flexible

Surfaces Not Recommended: Leather

Recommended Surface: Multi-surface

Product Set Time: 24 hours

Material: Silicone

TCIN: 51393559
UPC: 853517006313
Item Number (DPCI): 070-03-0838

Description

Looking for an easy way to coat, seal and stop leaks fast? You've come to the right place. This super thick liquid, can be poured right into the cracks to stop water in it's tracks. It can be brushed, rolled, dipped or poured to create a high performance protective rubber barrier that blocks out air, water and moisture on a variety of surfaces and objects. The 16oz Flex Seal Liquid Clear dries to a super strong, flexible, watertight rubberized coating in under an hour. This can of leak sealant works on both indoor and outdoor surfaces - it's excellent for roof leaks, skylights, hoses, windowsills, duct work, foundations and more.
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Guest Ratings & Reviews

4.1 out of 5 stars with 27 reviews
80% would recommend
20 recommendations
quality: 4.6 out of 5
value: 4.2 out of 5

Used to stop leakage. ):

3 out of 5 stars
Would not recommend
HonestOpinion - 11 months ago, Verified purchaser
I used this on a window insert installed at an angle in my Chicken coop to stop the water leak. The leak was partially stopped and there but is still some leakage , so I didn't get the full benefit of this product. May be another coat will help a bit. Not too much impressed with this product.
value: 1 out of 5
quality: 3 out of 5
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Good product

5 out of 5 stars
Would recommend
Craft enthusiast - 1 year ago, Verified purchaser
I painted this on the back of crocheted rugs and coasters. Very easy to apply with an inexpensive 1 inch paintbrush that I threw in away when done each coat (took two coats on the yarn surface). I tried cleaning the brush with mineral spirits but that was not effective so I just used very cheap brushes.
quality: 5 out of 5
value: 5 out of 5
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Not as advertised.

2 out of 5 stars
Would not recommend
JT - 1 year ago
Purchased because a pond was leaking. Gave it one coat. Filled the pond, it still leaked. Drained the pond and gave it a second coat, still leaking. next I will remove the sealer & re-coat the pond with concrete. A lot of work.
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First hand experience

2 out of 5 stars
Would not recommend
Jerry - 1 year ago, Verified purchaser
It just wasn't as sticky as I was hoping it would be ! ... I guess you should use this product on flat surfaces only ! ... I wouldn't recommend it for all angle leak applications except for flat surfaces because it's just too runny in my opinion !
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DONT BELIEVE EVERYTHING YOU READ

2 out of 5 stars
dorie666 - 1 year ago, Verified purchaser
I bought this product because it said it was good on wood, I did what they said on the label about sandpapering area before using product, also I thought it would be a one and done, but I had to redo it several times in order to get it stuck together. After the 4th time, I gave up and got some gorilla glue and what do you think happened it worked the first time. Flex seal is now in the best place in the house the garbage.
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Stops leaks

5 out of 5 stars
Would recommend
Homeowner - 1 year ago, Verified purchaser
I had a leaky bleeder valve on my hot water baseboard heat system. Normally, this would have required draining the system and replacing the valve. Instead, I put several coats of Flex Seal, even though it was still leaking, and it sealed it immediately. Great product. I am now looking for other projects to use this on.
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Works Great!

5 out of 5 stars
Would recommend
DL - 1 year ago, Verified purchaser
Used it to stop minor PVC pipe leak. Brushed it on liberally and gave it two days to dry/cure. So far, so good!
quality: 5 out of 5
value: 5 out of 5
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Stops leaks

5 out of 5 stars
Would recommend
BC - 1 year ago, Verified purchaser
We had leaky windows in a condo that the Homeowners Association contractor tried to repair several times but the leaks would occur within 6 months or so. We had our contractor apply Flex Seal and it solved the problem with one application. When we moved to a house recently I bought a can to use on exterior wood, which is subject to dry rot. I expect it to work just as well.
quality: 5 out of 5
value: 5 out of 5
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