---
product_id: 331337734
title: "Fernox Leak Sealer & Jointing Compound, 50ml"
brand: "fernox"
price: "E£ 132"
currency: EGP
in_stock: false
url: https://www.desertcart.com.eg/products/331337734-fernox-leak-sealer-and-jointing-compound-50ml
store_origin: EG
region: Egypt
---

# Reusable, non-hardening seal 50ml precision tube Works -20°C to 100°C Fernox Leak Sealer & Jointing Compound, 50ml

**Brand:** fernox
**Price:** E£ 132
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Seal it, forget it, fix it—like a pro!

## Quick Answers

- **What is this?** Fernox Leak Sealer & Jointing Compound, 50ml by fernox
- **How much does it cost?** E£ 132 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/331337734-fernox-leak-sealer-and-jointing-compound-50ml)

## Best For

- fernox enthusiasts

## Why This Product

- Trusted fernox brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Smart Repair:** Extend system life by repairing instead of replacing—save resources and money
- • **Flexible & Reversible:** Never hardens rock solid—joints can be undone without hassle
- • **Effortless Application:** Moulds smoothly with a soapy spatula for a perfect fit every time
- • **Temperature Resilience:** Performs flawlessly from freezing cold to boiling hot conditions
- • **Versatile Metal Compatibility:** Seals leaks on all common central heating metals with ease

## Overview

Fernox Leak Sealer & Jointing Compound is a 50ml silicone-based solution designed for quick, reliable sealing of leaks in central heating systems. Compatible with all common metals, it remains flexible across extreme temperatures (-20°C to 100°C), ensuring durable, non-shrinking seals that can be undone if needed. Ideal for compression joints and screwed fittings, it promotes sustainable repairs over costly replacements.

## Description

External leak sealer and jointing compound Suitable for all metals and materials commonly used in central heating systems Features and Benefits Ideal for use on compression joints and screwed fittings Never sets rock hard, joints can easily be undone Does not shrink or crack with age Suitable for use from below freezing point to above boiling point of water Ideal for use on compression joints and screwed fittings It can make better use of resources to repair rather than replace items.

## Features

- Brand Fernox
- Container size 50ml
- Application When sealing leaks, relieve the water pressure before applying and whilst LS-X is setting, draining system if necessary. Apply LS-X direct form the tube and mould into shape using a spatula or knife previously dipped into soapy water (to prevent adhesion or dragging).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Fernox |
| Colour | clear |
| Style | Compression |
| Material | Silicone |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Silicone
- **Brand:** Fernox
- **Style:** Compression
- **Compatible material:** Most materials listed in example_valid_values
- **Water resistance level:** Water Resistant

## Images

![Fernox Leak Sealer & Jointing Compound, 50ml - Image 1](https://m.media-amazon.com/images/I/31oogU-V5RL.jpg)

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**Shop now:** [https://www.desertcart.com.eg/products/331337734-fernox-leak-sealer-and-jointing-compound-50ml](https://www.desertcart.com.eg/products/331337734-fernox-leak-sealer-and-jointing-compound-50ml)

---

*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-01-29*