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💦 Seal it, forget it—leaks don’t stand a chance!
JENOLITE Stop Leak Sealer Spray is a 400ml waterproof aerosol designed for quick, durable leak repairs on gutters, flat roofs, and multiple surfaces including metal, plastic, and concrete. Engineered to resist extreme weather and UV exposure, it offers a flexible, long-lasting seal that’s easy to apply and trusted by professionals. Made in Britain, this versatile spray is perfect for fast fixes and preventative maintenance, ensuring your property stays leak-free year-round.
| ASIN | B09BBDDP36 |
| Best Sellers Rank | 1,390 in DIY & Tools ( See Top 100 in DIY & Tools ) 33 in Sealers |
| Brand | JENOLITE |
| Colour | WHITE |
| Compatible Material | Ceramic, Metal, Plastic, Wood |
| Customer Reviews | 4.0 out of 5 stars 7,451 Reviews |
| Included Components | Aerosol |
| Item Dimensions | 6.5 x 6.5 x 20 centimetres |
| Item Form | Liquid |
| Item Weight | 0.38 Kilograms |
| Item dimensions L x W x H | 6.5 x 6.5 x 20 centimetres |
| Item weight | 0.38 Kilograms |
| Manufacturer | JENOLITE |
| Manufacturer Part Number | 89215 |
| Material | Plastic |
| Model Number | 89215 |
| Number of Items | 1 |
| Style | WHITE (1x400ml) |
| Style Name | WHITE (1x400ml) |
| Surface Recommendation | Roof |
| Unit Count | 400.0 millilitre |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
C**E
Does the job!
Brilliant stuff! Totally sealed! Drys clear, easy to apply, good value for money, no mess.
T**Y
Good for small jobs
This product is only ever going to seal the smallest of leaks or cracks, being in liquid form as it comes out of the can, drying to a plasticky finish. But in these cases it seems to be quite effective, if layered as suggested. You need to spray thinly, leave for 15 minutes and then do several times more to build an effective covering. If you're using inside I'd advice the use of a face mask. It has a strong aroma and being an aerosol does fill the air, which is not only bad for the lungs but has a strong pear drop aroma. But overall, if your gap fills the criteria it works well, though I have no idea how long it will last.
A**R
Works as described
Sealed a leaking metal roof instantly, leaking through screws, sprayed a couple of coats and no more leaks
W**Z
Okay product
Okay product. Does not always do what it needs to... Stop leaks🧐
D**D
Really works
This stuff really does do what it says on the can. Like anything from this manufacturer, it’s high quality, dries fairly fast if applied in small quantities. Provided the area is cleaned reasonably well it seals without that awful stickiness of mastic. One tin will seal multiple small leaks. A note of caution, this is a temporary fix and would not be strong enough for any pressurised system for any extended period of time, if at all. Its function is mostly to stop that annoying dripping gutter, or a small crack in a flat roof. It will stop a leaking pipe at a poorly fitted union provided the thread isn’t too badly cracked and the leak isn’t huge or the pressure isn’t too high. It’s superb for its primary function and I’d recommend keeping a tin in the garage.
T**Y
Easy application
Easy to apply but not thick enough to fill gaps
S**B
Jenolite stop leak sealer spray.......easy and convenient to use....it works....
Jenolite stop leak sealer spray.........First time of using this product and am impressed.....had a leaky gutter and thought I would give it a try and so glad I did....I did three coats with 20 minutes drying time in between coats and no more leaking.....this product works.....
D**H
Waste of money.
Just plainly doesn’t work. Absolute rubbish. Annoyed with myself that I didn’t try this when I bought it. Just come to use it and doesn’t seal anything
Trustpilot
3 weeks ago
2 days ago