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🚿 Seal leaks like a pro—fast, clean, and built to last!
Fernox 61016 Leak Sealer LS-X is a versatile, rapid-action sealing compound designed for quick repairs on small leaks and pinholes in water pipes. Compatible with a wide range of materials including metals and plastics, it offers a mess-free application and durable resistance to heat (up to 90°C) and pressure (up to 4 bar). Safe for use in potable water systems, this 50g tube is the go-to solution for DIY plumbers and professionals aiming to prevent water damage efficiently.




| ASIN | B0C4TRM1RN |
| Best Sellers Rank | 2,673 in DIY & Tools ( See Top 100 in DIY & Tools ) 64 in Sealers |
| Brand | Kudos-Trading |
| Colour | Yellow White |
| Compatible Material | Metal, Plastic, Wood |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.4 out of 5 stars 391 Reviews |
| Item Dimensions | 14.2 x 3.8 x 2.8 centimetres |
| Item Form | Paste |
| Item Type Name | Leak Sealer |
| Item Weight | 70 Grams |
| Item dimensions L x W x H | 14.2 x 3.8 x 2.8 centimetres |
| Item weight | 70 Grams |
| Manufacturer | Kudos Trading |
| Material | Acrylic |
| Model Number | FER-61016 |
| Number of Items | 1 |
| Style | Brass |
| Style Name | Brass |
| Surface Recommendation | Door, Window |
| Unit Count | 1.0 gram |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
R**.
Brilliant for non pressurised weeping joint leaks.
I used this on an old upvc joint where the washing machine outlet plumbed into the sink waste. After connection of a new washing machine I had a very tiny leak. I had tightened as far as I could but the leak remained. This product cured the issue without the need to replace any pipes or joints. Great stuff.
S**S
Sealant
Did the job. Would recommend
G**S
The product is very good
The product is very good
M**N
Great for leaks
Great stuff
S**.
Worked great
Worked great!
L**A
Value for money
Very good product. Works exactly as it says on the box.
Y**T
Easily blocked nozzle
Would be great if it wasn’t for the fact that it is incredibly difficult to keep the nozzle clean and prevent the gel from curing inside the tube. Mine blocked after the first use and needed ‘un stoppering’ with the piercing side of the cap from the 1st use. By the third use I needed a BBQ skewer and by the fourth use I had to throw it away! Such a shame because the product itself works great!
K**7
Not worked
The product looks good and looks fit for purpose on application however the pinhole leak in the copper pipe is still weeping through. Giving it another try to ensure it’s correctly applied but not holding my breath
Trustpilot
2 weeks ago
1 month ago