---
product_id: 301231681
title: "Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More"
brand: "flex seal"
price: "£20.83"
currency: GBP
in_stock: true
reviews_count: 13
url: https://www.desertcart.co.uk/products/301231681-flex-seal-max-17-oz-1-pack-clear-stop-leaks
store_origin: GB
region: United Kingdom
---

# Paintable finish Watertight flexible seal Heat & cold resistant Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

**Brand:** flex seal
**Price:** £20.83
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it. Protect it. Forget leaks forever.

## Quick Answers

- **What is this?** Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More by flex seal
- **How much does it cost?** £20.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/301231681-flex-seal-max-17-oz-1-pack-clear-stop-leaks)

## Best For

- flex seal enthusiasts

## Why This Product

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

## Key Features

- • **Invisible Repairs:** Clear spray dries paintable for seamless fixes
- • **Instant Leak Stopper:** Seals cracks & holes fast with a flexible rubberized coating
- • **All-Weather Durability:** Won't sag in summer heat or crack in winter cold
- • **Made in the USA Quality:** Trusted, durable formula with 1-year limited warranty
- • **Versatile Surface Compatibility:** Works on wood, metal, glass, concrete & more

## Overview

Flex Seal MAX is a 17 oz clear spray-on rubberized sealant that instantly stops leaks by penetrating cracks and holes. It dries to a flexible, waterproof coating that resists extreme temperatures without sagging or cracking. Perfect for indoor and outdoor use on a wide range of surfaces, it’s paintable for invisible repairs and backed by a 1-year warranty. A top-rated, American-made solution for lasting protection and peace of mind.

## Description

Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - desertcart.com

Review: GREAT PRODUCT - THIS PRODUCT WORKS GREAT
Review: Good Product - Flex Seal Works Great - Flex Seal is great quality. It comes ready to use so mixability is easy to get started. It's a great price. The Flex Seal is very durable, looks great and clean up is easy so removal is easy. The product seems sturdy.

## Features

- The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color.
- Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable and lasts many years.
- Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies.
- Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0916RVW6C |
| Best Sellers Rank | #115 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Hardware Sealers |
| Brand Name | Flex Seal |
| Color | Clear |
| Compatible Material | Rubber |
| Customer Reviews | 4.4 4.4 out of 5 stars (38,819) |
| Included Components | Household Item |
| Item Dimensions | 10 x 2.75 x 2.75 inches |
| Item Form | Liquid, Spray |
| Item Type Name | Flex Seal FSMAXCLR24 Flex Seal Max - Clear 17 Oz. Spray |
| Item Weight | 1.1 Pounds |
| Manufacturer | Swift Response |
| Material Type | Plastic |
| Model | FLEX SEAL - FSMAXCLR24 - CLEAR |
| Number of Items | 1 |
| Part Number | FSMAXCLR24 |
| Style Name | MAX - Clear, 17 oz. |
| Surface Recommendation | Roof,Windows,Wood |
| UPC | 850010226941 |
| Unit Count | 17.0 Count |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal
- **Item Weight:** 1.1 Pounds
- **Item dimensions L x W x H:** 10 x 2.75 x 2.75 inches
- **Material:** Plastic
- **Style:** MAX - Clear, 17 oz.

## Images

![Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 1](https://m.media-amazon.com/images/I/715bk1ZYq2L.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 2](https://m.media-amazon.com/images/I/71Nf5XMloJL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 3](https://m.media-amazon.com/images/I/71XdNxwWCAL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 4](https://m.media-amazon.com/images/I/81detodB6vL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 5](https://m.media-amazon.com/images/I/81CayjeHyGL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Would this work on inflatable Christmas decor to close pinholes that are leaking air?**
A: Did not work well for me

## Customer Reviews

### ⭐⭐⭐⭐⭐ GREAT PRODUCT
*by P***I on April 10, 2026*

THIS PRODUCT WORKS GREAT

### ⭐⭐⭐⭐⭐ Good Product - Flex Seal Works Great
*by C***D on February 20, 2026*

Flex Seal is great quality. It comes ready to use so mixability is easy to get started. It's a great price. The Flex Seal is very durable, looks great and clean up is easy so removal is easy. The product seems sturdy.

### ⭐⭐⭐⭐ One can half full
*by K***Y on March 30, 2026*

While this worked great for the intended purpose, one of the four cans we recieved was half empty. Would appreciate some compensation from the seller. Or another can

## Frequently Bought Together

- Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More
- Flex Seal Liquid, 16 oz, Clear, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry
- Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 1-Pack

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**Shop now:** [https://www.desertcart.co.uk/products/301231681-flex-seal-max-17-oz-1-pack-clear-stop-leaks](https://www.desertcart.co.uk/products/301231681-flex-seal-max-17-oz-1-pack-clear-stop-leaks)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-14*