LeakSeal Sealers Manufacturer

LeakSeal Sealers bring flexible, rubberized protection that stops leaks and cracks in their tracks. Designed to form a durable, weatherproof barrier, they keep moisture and corrosion out while staying paintable and smooth. Perfect for everything from roofs to gutters, LeakSeal adapts to tough surfaces with ease, delivering reliable sealing power wherever it’s needed most.

Top LeakSeal Sealers

Rust-Oleum LeakSeal Flexible Rubber Coating (Spray)

This aerosol rubberized coating is designed to penetrate deep into cracks and holes, providing a watertight, flexible seal that prevents rust and moisture damage on surfaces like gutters and roofs.

Rust-Oleum LeakSeal Self-Fusing Silicone Tape

This versatile, non-adhesive tape creates an airtight, waterproof bond by fusing to itself, making it ideal for emergency pipe repairs and sealing electrical wires even under pressure.

Rust-Oleum LeakSeal Brush-On Sealer

Perfect for larger or more textured areas, this high-build formula can be applied with a brush or roller to create a thick, protective barrier that fills gaps in masonry, concrete, and metal.

Discover LeakSeal Sealers — your ultimate solution for flexible, durable protection against leaks and weather damage.

Flexible Rubber Coatings

LeakSeal’s flagship flexible rubber coatings are engineered to fill gaps and cracks up to 1/4 inch, creating a watertight, weatherproof barrier that adheres perfectly to metal, aluminum, galvanized surfaces, PVC, concrete, masonry, asphalt roofing, vinyl, fiberglass, and more.

Versatile Surface Compatibility

Whether you’re sealing roofing materials, concrete foundations, or vinyl sidings, LeakSeal coatings offer exceptional protection against water, air infiltration, moisture, and rust, ensuring long-lasting durability in any environment.

Paintable Protection

For a seamless finish, LeakSeal coatings can be top-coated with either latex or oil-based paints, allowing for a clean aesthetic without sacrificing the integrity of the waterproof seal.

Paintshack Leakseal UK

Reviews

Jessica Martinez
“I’ve used LeakSeal flexible rubber coating on my home’s aging roof, and the results have been outstanding. The product was easy to apply even on rough surfaces like asphalt shingles and concrete. After a heavy rain, there were no signs of leaks, and the coating’s flexibility means it hasn’t cracked with temperature changes. Highly recommend it for anyone needing a reliable waterproof seal.”

Daniel Thompson
“As a contractor, I’ve tried many sealing products, but LeakSeal stands out for its versatility and strength. I’ve applied it on metal gutters, aluminum window frames, and even some masonry walls. The watertight barrier has held up perfectly through multiple storms. Plus, being able to paint over it with oil-based paint makes it a favorite for projects requiring both durability and appearance.”

Sarah Lee
“I needed a solution for sealing several cracks around my garage door frame and vinyl siding. LeakSeal’s flexible rubber coating was the perfect fix. It adhered well to the vinyl and concrete, providing a moisture barrier that’s held firm through snow, rain, and heat. The product dries quickly and stays flexible, so I haven’t had to worry about any peeling or cracking.”

LeakSeal FAQ

Can LeakSeal be painted over after it has dried?

Yes, once the flexible rubber coating has fully cured (typically within 24 hours), it can be painted over with most oil-based or latex paints to match the surrounding surface.

Is LeakSeal safe to use on plastic or PVC piping?

While LeakSeal works excellently on most plastics and PVC, it is always recommended to test a small, inconspicuous area first, as the solvent in the spray version can occasionally react with certain types of synthetic materials.

Does the surface need to be completely dry before application?

For the best adhesion, the surface should be clean and dry; however, the LeakSeal Self-Fusing Tape is a notable exception, as it can be applied to wet pipes or even underwater since it relies on a mechanical bond to itself.

How many coats are typically required for a permanent seal?

While one heavy coat may stop a minor drip, it is generally recommended to apply two or more thin, even coats to ensure all pinholes and gaps are completely bridged for a long-lasting repair.

Can the spray be used to seal high-pressure water leaks?

LeakSeal spray is designed for low-pressure applications like gutters, flashing, and drainage pipes; for high-pressure water lines, the LeakSeal Self-Fusing Silicone Tape is the better choice as it is rated to withstand significantly more internal pressure.

How long does it take for the sealer to become waterproof?

The spray and brush-on versions are usually “touch dry” within 30 to 60 minutes, but you should allow at least 24 hours of total cure time before exposing the repair to heavy rain or standing water.