---
product_id: 694377646
title: "Flex Seal MAX, 17 oz, 2-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: "HK$771"
currency: HKD
in_stock: true
reviews_count: 6
category: "Flex Seal"
url: https://www.desertcart.hk/products/694377646-flex-seal-max-17-oz-2-pack-black-stop-leaks
store_origin: HK
region: Hong Kong
---

# Watertight flexible rubber seal Heat & cold resistant, no cracking 17 oz spray cans x2 Flex Seal MAX, 17 oz, 2-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:** HK$771
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal it. Protect it. Flex your fix like a pro.

## Quick Answers

- **What is this?** Flex Seal MAX, 17 oz, 2-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?** HK$771 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/694377646-flex-seal-max-17-oz-2-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:** Once dry, customize your repair with any paint color for a seamless, professional look.
- • **Instant Leak Stopper:** Sprays on thick liquid rubber that seeps into cracks and dries fast to a watertight seal.
- • **All-Weather Durability:** Remains flexible and pliable through scorching summers and freezing winters without cracking or peeling.
- • **Long-Lasting Protection:** A handyman in a can that shields and extends the life of your home and gear for years to come.
- • **Versatile Surface Compatibility:** Works on wood, metal, concrete, glass, fabric, and more—your go-to fix for gutters, roofs, RVs, and beyond.

## Overview

Flex Seal MAX is a powerful 2-pack of 17 oz spray-on liquid rubber sealant that instantly stops leaks by forming a watertight, flexible coating. Engineered to withstand extreme temperatures without cracking or peeling, it adheres to a wide range of surfaces including wood, metal, concrete, and more. Perfect for quick, durable repairs on gutters, roofs, RVs, and household projects, it dries paintable for a flawless finish and offers long-lasting protection that keeps your spaces leak-free and looking sharp.

## Description

FLEX SEAL MAX is actually liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. Flex Seal coats, seals, protects and will Stop Leaks Fast! It’s like a...HANDYMAN IN A CAN. FLEX SEAL has many advantageous applications and uses, that when applied correctly, can last for many years. The most common uses for Flex Seal are listed below: Fix leaky roofs, gutters, and downspouts. Repair RV’S, campers, and mobile homes. Repair skylights and Vent Pipes, For roof drip edges and flashings. Leaky or broken hose and PVC pipe repairs. To seal or repair windowsills. For A/C drip pans, portable A/C units, duct work, and chimneys. On boats and other personal watercrafts. For bird baths, ponds, and fountains. Flat, metal, rubberized and granulated roof repairs and leaks. Foundations, gravel stops, asphalt shingles, and overlapped seams. And, so much more! Flex Seal will work on: Wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, rubber, cement, some vinyl and so much more! *Flex Seal may not be compatible with all plastics, vinyl, or rubbers.

Review: Poor prodect - Not useable
Review: Good

## 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 | B0C44CXPZ7 |
| Best Sellers Rank | #46,280 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #286 in Hardware Sealers |
| Manufacturer | Flex Seal |
| Manufacturer reference | FSMAXBLK24-2PK |
| Product Dimensions | 27.94 x 15.24 x 7.62 cm; 481.94 g |

## Product Details

- **Brand:** Flex Seal
- **Item dimensions L x W x H:** 27.9 x 15.2 x 7.6 centimeters
- **Item weight:** 17 Ounces
- **Material:** Rubber
- **Style:** MAX, 2 Pack - Black, 17 oz.

## Images

![Flex Seal MAX, 17 oz, 2-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/4152ShsLNtL.jpg)
![Flex Seal MAX, 17 oz, 2-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/41oAbasv+YL.jpg)
![Flex Seal MAX, 17 oz, 2-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/51CspOilJEL.jpg)
![Flex Seal MAX, 17 oz, 2-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/51HPgIGhGRL.jpg)
![Flex Seal MAX, 17 oz, 2-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/51JZK2itKZL.jpg)

## Questions & Answers

**Q: Will flexseal fix an oil leak**
A: It’s sealed water leaks in my basement pipes so I’m sure oil would be easy enough but I suggest you clean the surface thoroughly so that the bonding is complete before you spray

## Customer Reviews

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

Not useable

### ⭐⭐⭐⭐⭐ Review
*by D***L on 27 December 2023*

Good

### ⭐⭐⭐⭐⭐ Review
*by S***O on 7 April 2021*

Produto resolveu um problema entre a calha e a parede evitando escorrimento de água da chuva mostrou-se mais eficiente que o veda calha. Esperar para ver a durabilidade do produto sob as intempéries.

## Frequently Bought Together

- Flex Seal 2-Pack Black 17oz Stop Leaks Instantly, Waterproof Sealant Coating For Gutters, RV, Roof, Skylights, Windows
- Flex Seal Liquid, 16 oz, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry

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**Shop now:** [https://www.desertcart.hk/products/694377646-flex-seal-max-17-oz-2-pack-black-stop-leaks](https://www.desertcart.hk/products/694377646-flex-seal-max-17-oz-2-pack-black-stop-leaks)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*