---
product_id: 19751392
title: "Flexx Sealer Permanent Leak Repair"
brand: "kool seal"
price: "£99.95"
currency: GBP
in_stock: false
category: "Automotive Parts and Accessories"
url: https://www.desertcart.co.uk/products/19751392-flexx-sealer-permanent-leak-repair
store_origin: GB
region: United Kingdom
---

# Flexx Sealer Permanent Leak Repair

**Brand:** kool seal
**Price:** £99.95
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Flexx Sealer Permanent Leak Repair by kool seal
- **How much does it cost?** £99.95 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/19751392-flexx-sealer-permanent-leak-repair)

## Best For

- kool seal enthusiasts

## Why This Product

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

## Description

Flexx Sealer℠Permanent Leak RepairPermanent leak repair that bonds to any clean, dry surface. Seals cracks or rusted flashings, vent pipes, rain gutters, and downspouts. Stops leaks between shingles, roof seams and laps, soffits, and parapet walls. Use to seal around chimneys and skylights. One-step installation makes it fast and easy-to-apply. Easily shaped and molded to any surface. Bonds immediately, seals instantly with no curing time needed. Superior adhesion to most surfaces above or below grade (except siliconized materials). Remains flexible. Never hardens, cracks, peels, or shrinks. Stops leaks, rust, and corrosion. Mold and mildew resistant. Effectively use from -76 to 180 F. Nontoxic. Recommended for application over: Aged EPDM, aged hypalon, wood, concrete, fiberglass, aged asphalt, rolled roofing, built up roofing, spray urethane foam, masonry, stucco, and many other surfaces. Color: Gray. Lifetime limited warranty.No. 18100: 2 IN x 3´ clamshell packNo. 18115: 3 IN x 3´ clamshell packNo. 18125: 4 IN x 4´ clamshell packNo. 18150: 2 IN x 10´ rollNo. 18200: 4 IN x 12´ rollNo. 18225: 4 IN x 24´ roll

## Features

- 1 ROLL
- ›See more product details

## Images

![Flexx Sealer Permanent Leak Repair - Image 1](https://m.media-amazon.com/images/I/515DDMkx3xL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/19751392-flexx-sealer-permanent-leak-repair](https://www.desertcart.co.uk/products/19751392-flexx-sealer-permanent-leak-repair)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*