The rubber sealant is safe to use in a fish pond when it is fully cured.
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Flex Seal Liquid Rubber Sealant Coating, Black, 32-Oz. Can

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- An easy way to coat, seal, protect and stop leaks fast
- Perfect for roofs, gutters, ponds, bird baths, basements and foundations, tools and sporting equipment, cars, trucks and vans, RV's, campers and trailers, boats and water sports, projects and hobbies
- Stops noise and vibrations
- Expands and contracts
- Liquid rubber in a can
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) 32-oz. can of liquid sealant
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Features + Benefits
- An easy way to coat, seal, protect and stop leaks fast
- Perfect for roofs, gutters, ponds, bird baths, basements and foundations, tools and sporting equipment, cars, trucks and vans, RV's, campers and trailers, boats and water sports, projects and hobbies
- Stops noise and vibrations
- Expands and contracts
- Liquid rubber in a can
- Seals out moisture, air, and mildew
- Prevents rust and corrosion
- UV resistant
Key Specs
| Attribute | Specification |
|---|---|
item# | 59368 |
Brand | Flex Seal |
Ship Weight | 2.89 LB |
Size | 32 Oz |
Size | 32 Oz |
Color | Black |
| Attribute | Specification |
|---|---|
Color | Black |
Usage | Stops Leaks, Sealing and Protecting Surfaces |
Usage | Stops Leaks, Sealing and Protecting Surfaces |
Product Type | Liquid Rubber Sealant |
Product Type | Liquid Rubber Sealant |
Reviews
Questions & Answers
Questions
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· 2 years ago
Is your liquid rubber product safe to be used in a "fish" pond?
1 answer-
ProductExpert6· 2 years ago
Helpful?
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· 2 years ago
Does it conduct electricity? Can you use it to insulate wiring?
1 answer-
ProductExpert11· 2 years ago
The Flex Seal liquid rubber coating does not have a dielectric rating. It can not be used to conduct electricity. It is not recommended to be used to insulate wire.
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· 4 years ago
How many square feet will the 32oz can cover?
1 answer-
ProductExpert13· 4 years ago
This will cover approximately 37.5 square feet.
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· 4 years ago
Can I use this to “paint “ a leaky basement floor to stop the water?
1 answer-
ProductExpert12· 4 years ago
This Flex Seal coating can be painted onto a basement floor to seal up cracks where water may be leaking through.
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· 4 years ago
can it be used to seal a gas tank on a tractor?
1 answer-
ProductExpert31· 4 years ago
Flex Seal should not be used to seal a gasoline tank, oil tank, or with any other flammable material.
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· 4 years ago
What type of rubber is Flex Seal. There are many types of rubber "isbutylen isoprene, chloroprene, epichlorohydrin, vulcanized natural, perfluoroelastomer, etc. I have an industrial aplication that needs the type.
1 answer-
ProductExpert11· 4 years ago
The Flex Seal rubber liquid is made up of 25% nepheline syenite, 5% titanium dioxide, 5% octamethylcyclotetrasiloxane, 4% butanone trioxime, 3% carbon black and 2.5% silica.
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· 5 years ago
What are the temperature restrictions for application and dry time? Is it affected by cold temperatures?
1 answer-
ProductExpert29· 5 years ago
This has a wide temperature range from -80 to 350 degrees Fahrenheit. For best results, it is recommended to apply to surfaces and substrates in temperatures between 32 and 120
degrees Fahrenheit. Please allow 24-48 hours to completely dry before adding additional coats and will fully cure in 48 hours.Helpful?
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· 5 years ago
can u paint with a airless
1 answer-
ProductExpert11· 5 years ago
It is not recommended to be used with a paint sprayer due to the thickness of the product.
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· 5 years ago
how much pressure can it hold. i have a pool filter housing that is cracked , new one on order but need to operate filtering sys.
1 answer-
ProductExpert29· 5 years ago
Flex Seal will withstand normal hydrostatic water pressure such as rainwater, but it is not made to withstand extreme pressure.
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· 5 years ago
Hello can I paint my outside foundation with this product to stop leaks and cracks
1 answer-
ProductExpert18· 5 years ago
This Flex Seal rubber sealant would work well as a foundation sealant. It will fill the cracks but not stop the foundation from cracking.
Helpful?
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Specifications
32 Oz
3 Oz
0.44 Oz
3 Oz
Black
Red
Blue
Black
Stops Leaks, Sealing and Protecting Surfaces
High Temperature Gasket Making and Sealing
Sealing Threaded Locks
Seal and Bond Uneven Surfaces
Liquid Rubber Sealant
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Sealant
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