Model # 265494

Internet #203165631

Store SKU #663930

Rust-Oleum Stops Rust 12 oz. LeakSeal Black Spray
0020066218744

Rust-Oleum Stops Rust

12 oz. LeakSeal Black Spray

  • Provides firm but flexible protection in areas that need it most
  • Forms a paintable finish that seals cracks and fills small holes
  • Great for gutters, roofs, flashing, ductwork and much more
$9.46 /each

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Product Overview

Rust-Oleum LeakSeal Black Spray is an easy to use, rubberized protective utility coating designed to fill and seal leaks and cracks. It provides a water-tight, flexible seal that prevents moisture penetration, rust and corrosion. LeakSeal dries to a semi-smooth, firm finish that will not sag or drip and can be top-coated with latex or oil based paints.

California residents: see   Proposition 65 information

  • A durable, rubberized utility coating designed to fill and seal leaks and cracks
  • Easy to use, limited overspray, multi-surface/multi-purpose use, for use on metal, aluminum, galvanized metal, PVC, concrete, masonry, asphalt roofing materials, vinyl siding, fiberglass and more
  • Dry time to the touch in approximately 2 hours and cures after 24 hours
  • 12 oz. can provides coverage is can be up to 10 sq. ft. depending on the surface porosity
  • Flat/matte finish will not reflect light
  • Rust and moisture resistant applies for superior protection from leaks and cracks
  • Withstands extreme temperatures and climates
  • Provides ultimate UV protection
  • Prevents water and moisture penetration for ultimate protection
  • Note: product may vary by store

Info & Guides

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Customer Questions & Answers

Can this leakseal be used on/around roof flashing?

Asked by: theoldgizzer
yes it definitely can.
Answered by: Hicmaster
Date published: 2016-12-02

Can this product seal a fine line crack in a poured concrete foundation from water getting thru?

Can this product seal a fine line crack in a poured concrete foundation from water getting thru?
Asked by: BOBO
Happy to help! Rust-Oleum Stops Rust LeakSeal Spray is suitable for use on concrete surfaces. Please keep in mind that this product is not designed to provide reinforcement as a concrete patch would provide.
Answered by: Rust-OleumSupport
Date published: 2017-04-18

Can this product be applied when the temperature is below 32 degrees?

Can this product be applied when the temperature is below 32 degrees?
Asked by: Charles
I bet you can, as the leak seal developers claim it can withstand low temperatures. Maybe it will take longer to dry. ( It a woman's, mine, opinion LOL)
Answered by: Lara
Date published: 2017-01-31

Can this be used to seal ABS drain pipe?

Asked by: Blmar10s
Rust-Oleum LeakSeal Flexible Rubberized Coating is not recommended to be used on ABS plastics or synthetic rubber. These two substrates have been proven to be extremely difficult to properly accept coatings.
Answered by: Rust-OleumSupport
Date published: 2016-12-23
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Customer Reviews

12 oz. LeakSeal Black Spray is rated 3.4 out of 5 by 59.
Rated 5 out of 5 by from This stuff ROCKS!!!! I am very pleased with the durability and how its sticks to everything you u... This stuff ROCKS!!!! I am very pleased with the durability and how its sticks to everything you use it on. I used it for my car and sprayed it on over Bondo, Fiberglass and rust spots it fill all little imperfections and dries smooth and looks great. I recommend it for use on what ever you need to seal. I do suggest that it should come in other custom colors on the shelf.
Date published: 2016-12-02
Rated 3 out of 5 by from For some reason, I presumed that this product would perform as well as the "Flex Seal" spray. Wro... For some reason, I presumed that this product would perform as well as the "Flex Seal" spray. Wrong! I used my Flex Seal even when I thought the can was spent 10x over, still a bit more came out. Don't make the same mistake I did and cut your project in half at the half- can used point or your project may not finish, like mine. With the can and nozzle restricting flow of the last quarter of product, I realize all, of the interior cosmetic work I did was in vain. One- forth of my roof flashing at chimney will leak again tomorrow in the rain storm. What a waste of time and money. I am a 53 yr old woman, not happy to climb onto my roof in the first place. Product failure. I will never buy this product again.
Date published: 2017-03-20
Rated 3 out of 5 by from Does not work on the pressure treated wood, outside, of course. Such waist of can & money. Maybe ... Does not work on the pressure treated wood, outside, of course. Such waist of can & money. Maybe work well on any other material. Do not know as nothing left in the can to try on something else
Date published: 2016-12-06
Rated 5 out of 5 by from Pretty Weather Protection I utilized this product to spray metal for extra protection from the elements. Being printable, I then spray painted the metal for color. So far, so good.
Date published: 2016-12-29
Rated 5 out of 5 by from I use it for weatherproofing and sealing. Just wire brush the rust off of the metal and spray on ... I use it for weatherproofing and sealing. Just wire brush the rust off of the metal and spray on the LeakSeal. Good to go!
Date published: 2016-12-20
Rated 5 out of 5 by from I was impressed as a first-time user, the product applied smoothly without runs and dried quickly. I was impressed as a first-time user, the product applied smoothly without runs and dried quickly.
Date published: 2016-10-26
Rated 1 out of 5 by from This sucks this is a terrible product, nozzle gets clogged within seconds This sucks this is a terrible product, nozzle gets clogged within seconds
Date published: 2017-03-23
Rated 5 out of 5 by from Easy to use , and sealed the area well. Did not leak when it rained again Easy to use , and sealed the area well. Did not leak when it rained again
Date published: 2016-11-01
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