---
product_id: 208867161
title: "– Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant"
brand: "jenolite"
price: "¥6418"
currency: JPY
in_stock: true
category: "Jenolite"
url: https://www.desertcart.jp/products/208867161-stop-leak-sealer-spray-black-400ml-leak-sealer-for-gutters
store_origin: JP
region: Japan
---

# fast, easy spray application 400ml waterproof sealant weather-resistant durability – Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant

**Brand:** jenolite
**Price:** ¥6418
**Availability:** ✅ In Stock

## Summary

> 💦 Seal it fast, seal it smart — never let leaks steal your peace of mind!

## Quick Answers

- **What is this?** – Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant by jenolite
- **How much does it cost?** ¥6418 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/208867161-stop-leak-sealer-spray-black-400ml-leak-sealer-for-gutters)

## Best For

- jenolite enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Seal:** Flexible, durable formula keeps leaks at bay season after season
- • **All-Weather Warrior:** UV & temperature resistant for year-round leak protection
- • **Instant Leak Defense:** Sprays on quickly to seal gutters, roofs & more in seconds
- • **Multi-Surface Mastery:** Works seamlessly on metal, plastic, concrete, UPVC & tiles
- • **Proudly British Innovation:** Trusted Jenolite quality with decades of surface protection expertise

## Overview

Jenolite Stop Leak Sealer Spray (400ml, Black) is a professional-grade, waterproof aerosol sealant designed for quick and durable leak repairs on gutters, flat roofs, and multiple surfaces including metal, plastic, and concrete. Engineered to resist extreme weather and UV exposure, it delivers a flexible, long-lasting barrier that protects your property year-round. Made in Britain with trusted expertise, this spray offers an easy, fast application to fill, seal, and stop leaks instantly.

## Description

JENOLITE Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant : desertcart.co.uk: Business, Industry & Science

## Features

- Causes skin irritation.
- Extremely flammable aerosol.
- May cause drowsiness or dizziness.
- May cause respiratory irritation.
- Pressurised container: May burst if heated.
- ULTIMATE WATERPROOF SEALANT: Stop Leak Sealer Spray provides advanced, long-lasting leak protection for gutters, flat roofs, and more. Jenolite's waterproofing sealant can be trusted to act as an instant leak sealer. Perfect for fast-fix repairs and protection for guttering, flat roofs, shed roofs, drain pipes, caravans and more.
- VERSATILE USAGE: Formulated for multi-surface application, Jenolite Stop Leak Sealer Spray can be used on a wide range of surfaces, including plastic, tile, metal, UPVC, Concrete, roofing felt and more. Ideal for use as a leaking gutter seal, the waterproof sealant spray is also perfect for fixing leaks in felt roofs, conservatories, sheds, etc.
- WEATHER-RESISTANT DURABILITY: The waterproofing spray is designed to withstand extreme weather conditions UV rays and extreme temperatures, this premium leak sealer maintains its strength and flexibility over time, keeping your gutters and roofs leak-free year-round.
- QUICK & EASY APPLICATION: Simple to apply, the waterproofing spray offers a fast solution to dealing with small cracks and leaks, just aim and spray, building up several layers for maximum effect. (It is not recommended for bird baths, ponds, central heating systems or pressurised plumbing systems)
- MADE IN BRITAIN: Pioneers in surface treatment and protection ,JENOLITE’s Stop Leak Sealer Spray combines cutting-edge innovation with decades of expertise to deliver a product you can rely on for lasting, professional-grade results. Available in CLEAR | BLACK | WHITE

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0897V7XXW |
| Best Sellers Rank | 1,963 in DIY & Tools ( See Top 100 in DIY & Tools ) 49 in Sealers |
| Brand | JENOLITE |
| Colour | BLACK |
| Compatible Material | [INF] Different materials |
| Customer Reviews | 4.0 4.0 out of 5 stars (7,582) |
| Global Trade Identification Number | 05060148421315 |
| Included Components | Aerosol |
| Item Dimensions | 6.5 x 6.5 x 20 centimetres |
| Item Form | Liquid |
| Item Weight | 0.38 Kilograms |
| Manufacturer | JENOLITE |
| Manufacturer Part Number | 89090 |
| Material | Plastic |
| Model Number | 89090 |
| Number of Items | 1 |
| Style Name | BLACK (1x400ml) |
| Surface Recommendation | Roof |
| Unit Count | 400.0 millilitre |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** JENOLITE
- **Item dimensions L x W x H:** 6.5 x 6.5 x 20 centimetres
- **Item weight:** 0.38 Kilograms
- **Material:** Plastic
- **Style:** BLACK (1x400ml)

## Images

![– Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant - Image 1](https://m.media-amazon.com/images/I/51R0iKbMq9L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Can I use it on a concrete floor? Most of floor has a swimming pool-type finish, but need to repair & waterproof a bit**
A: It is probably most suited to this typr of leak, dint work well on a hose. Hope this helps.

**Q: Would this work on a leaking water butt.**
A: Yes I had a small leak from the tap area haven't noticed one since

**Q: can I seal a concrete bird bath**
A: Yes

**Q: Can I use this to seal a leak in my pond liner**
A: I wouldn't recommend it. It failed to remedy my leaking gutter !

## Frequently Bought Together

- JENOLITE Stop Leak Sealer Spray | BLACK | 400ml | Leak Sealer for Gutters and Flat Roofs | Waterproof Gutter Sealant | Fills, Seals & Stops Leaks | Long Lasting Waterproof Sealant
- Polar Premium Leak Seal Clear Paint - 500ml - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply

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**Shop now:** [https://www.desertcart.jp/products/208867161-stop-leak-sealer-spray-black-400ml-leak-sealer-for-gutters](https://www.desertcart.jp/products/208867161-stop-leak-sealer-spray-black-400ml-leak-sealer-for-gutters)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-04*