---
product_id: 572273654
title: "Flex Seal MAX, 17 oz, 1-Pack, Black, 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: "€ 111.31"
currency: EUR
in_stock: true
reviews_count: 8
category: "Flex Seal"
url: https://www.desertcart.be/products/572273654-flex-seal-max-17-oz-1-pack-black-stop-leaks
store_origin: BE
region: Belgium
---

# Waterproof rubberized sealant Heat & cold resistant, no sag or peel Seals cracks & holes instantly Flex Seal MAX, 17 oz, 1-Pack, Black, 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:** € 111.31
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal it. Protect it. Flex it. Never leak again!

## Quick Answers

- **What is this?** Flex Seal MAX, 17 oz, 1-Pack, Black, 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?** € 111.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/572273654-flex-seal-max-17-oz-1-pack-black-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

- • **Paintable Finish:** Dries black but can be painted any color to seamlessly blend with your project.
- • **Instant Leak Stopper:** Sprays on fast to seal leaks and cracks with a flexible, watertight coating.
- • **All-Weather Durability:** Remains pliable through summer heat and winter cold without cracking or peeling.
- • **Long-Lasting Protection:** Rubberized coating stays flexible and durable for years, safeguarding your home and gear.
- • **Versatile Surface Compatibility:** Works on wood, metal, concrete, glass, plastic, and more for multi-surface protection.

## Overview

Flex Seal MAX is a 17 oz black spray-on rubberized sealant designed to instantly stop leaks and protect surfaces. It creates a flexible, waterproof coating that adheres to a wide range of materials including wood, metal, and concrete. Engineered to resist cracking, peeling, sagging, and weather extremes, it offers long-lasting durability and can be painted over for a custom finish.

## Description

Flex Seal MAX 17 oz Spray - Black

Review: Not good - Not good
Review: Ca - Not worth it

## 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 | B0916SG7S3 |
| Best Sellers Rank | #16,690 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #124 in Hardware Sealers |
| Brand | Flex Seal |
| Brand Name | Flex Seal |
| Color | Black |
| Compatible Material | Wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, rubber, cement, some vinyls |
| Customer Reviews | 4.4 out of 5 stars 26,622 Reviews |
| Included Components | Household Item |
| Item Dimensions | 25.4 x 7 x 7 centimeters |
| Item Form | Spray |
| Item Type Name | Flex Seal FSMAXBLK24 Flex Seal Max - Black 17 Oz. Spray |
| Item Weight | 1.3 Pounds |
| Item dimensions L x W x H | 25.4 x 7 x 7 centimeters |
| Item weight | 1.3 Pounds |
| Manufacturer | Swift Response |
| Material | Plastic |
| Material Type | Plastic |
| Model | FLEX SEAL - FSMAXBLK24 - BLACK |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FSMAXBLK24 |
| Style | MAX - Black, 17 oz. |
| Style Name | MAX - Black, 17 oz. |
| Surface Recommendation | Roof |
| UPC | 850010226927 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |

## Product Details

- **Material:** Plastic
- **Brand:** Flex Seal
- **Style:** MAX - Black, 17 oz.
- **Item weight:** 590 g
- **Item dimensions L x W x H:** 25.4 x 7 x 7 centimeters

## Images

![Flex Seal MAX, 17 oz, 1-Pack, Black, 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/7176g7v6pOL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Black, 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/71OF-bzcxML.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Black, 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/81tvIvOaAfL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Black, 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/91M7JZuUucL.jpg)
![Flex Seal MAX, 17 oz, 1-Pack, Black, 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/81ejZMAkE+L.jpg)

## Available Options

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

## Customer Reviews

### ⭐ Not good
*by H***Y on 6 January 2023*

Not good

### ⭐ Ca
*by W***8 on 7 February 2023*

Not worth it

### ⭐ Poor prodect
*by A***F on 18 June 2021*

Not useable

## Frequently Bought Together

- Flex Seal MAX, 17 oz, 1-Pack, Black, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More
- 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.be/products/572273654-flex-seal-max-17-oz-1-pack-black-stop-leaks](https://www.desertcart.be/products/572273654-flex-seal-max-17-oz-1-pack-black-stop-leaks)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-09-20*