---
product_id: 352099975
title: "Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, MAX, Black, 2.5 Gallon"
brand: "flex seal liquid"
price: "₨245284"
currency: LKR
in_stock: true
reviews_count: 8
category: "Flex Seal Liquid"
url: https://www.desertcart.lk/products/352099975-liquid-rubber-coating-sealant-waterproof-flexible-breathable-and-uv-resistant
store_origin: LK
region: Sri Lanka
---

# 100% Waterproof & moisture-proof UV Resistant for long-lasting durability 2.5 Gallons for max coverage Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, MAX, Black, 2.5 Gallon

**Brand:** flex seal liquid
**Price:** ₨245284
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it, shield it, forget it — Flex Seal Liquid keeps your world watertight!

## Quick Answers

- **What is this?** Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, MAX, Black, 2.5 Gallon by flex seal liquid
- **How much does it cost?** ₨245284 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/352099975-liquid-rubber-coating-sealant-waterproof-flexible-breathable-and-uv-resistant)

## Best For

- flex seal liquid enthusiasts

## Why This Product

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

## Key Features

- • **DIY-Pro Ready:** Brush, roll, dip, or pour application means you control the process with professional-grade results every time.
- • **Watertight Flexibility:** Creates a flexible, breathable barrier that seals out water, air, and moisture to protect your investments.
- • **Rust & Corrosion Defense:** Chemical-resistant coating that stops rust in its tracks—ideal for marine, trailers, and outdoor gear.
- • **UV Shielded for Longevity:** UV resistant formula prevents cracking and fading, ensuring your repairs stay flawless season after season.
- • **Max Coverage, Minimal Effort:** 2.5 gallons of liquid rubber lets you seal large surfaces fast—perfect for roofs, basements, and more.

## Overview

Flex Seal Liquid MAX is a 2.5-gallon liquid rubber coating designed for professional-grade waterproofing and sealing. Its flexible, breathable, and UV-resistant formula protects roofs, basements, RVs, and more from water, air, and corrosion damage. Easy to apply with multiple methods, it delivers durable, long-lasting protection for both DIY enthusiasts and pros.

## Description

Flex Seal Liquid, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, MAX, Black, 2.5 Gallon: desertcart.com: Tools & Home Improvement

Review: Reliable and Durable Waterproof Sealant - Flex Seal Liquid MAX is a game-changer for sealing and waterproofing projects. The 2.5-gallon size provides great coverage, making it ideal for roofs, basements, RVs, and more. It applies smoothly, dries to a flexible and durable finish, and holds up well against water and UV exposure. Perfect for long-lasting repairs with a strong, watertight seal. A must-have for DIY and professional use!
Review: Used for my Wide Driveway Cracks - You’ve seen the commercials. I used this to fill the 3/4” to 1.5” cracks in my asphalt driveway. I’ve used the Black Flex Seal Liquid for as long as ten years to fill the cracks. I never had any fail. I live in a harsh winter area. It’s expensive and you have to come up with your own system as to how to apply. I transfer from the big container to a Pyrex 16oz measuring cup.

## Features

- Flex Seal Liquid is liquid rubber in a can! Now you can brush, roll, dip or pour it on!
- Use anywhere you need a watertight, flexible rubberized coating
- Goes on smooth and covers fast, sealing out water, air and moisture
- UV Resistant
- Prevents rust and corrosion. Chemical resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0916RKHLH |
| Best Sellers Rank | #258,923 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #620 in Hardware Sealers |
| Brand | Flex Seal Liquid |
| Color | Black |
| Date First Available | March 27, 2021 |
| Department | Unisex-Adult |
| Global Trade Identification Number | 00850017897434 |
| Item Form | Liquid |
| Item Weight | 20 pounds |
| Item dimensions L x W x H | 10.5 x 10 x 10 inches |
| Item model number | LFSMAXBLK02 |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Number of Items | 1 |
| Product Dimensions | 10.5 x 10 x 10 inches |
| Style | Liquid Rubber |
| Surface Recommendation | Roof |
| UPC | 850017897434 |
| Unit Count | 320.0 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal Liquid
- **Item Weight:** 20 Pounds
- **Item dimensions L x W x H:** 10.5 x 10 x 10 inches
- **Material:** Rubber
- **Style:** Liquid Rubber

## Images

![Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, MAX, Black, 2.5 Gallon - Image 1](https://m.media-amazon.com/images/I/81FkXWgrqlL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable and Durable Waterproof Sealant
*by A***L on March 8, 2025*

Flex Seal Liquid MAX is a game-changer for sealing and waterproofing projects. The 2.5-gallon size provides great coverage, making it ideal for roofs, basements, RVs, and more. It applies smoothly, dries to a flexible and durable finish, and holds up well against water and UV exposure. Perfect for long-lasting repairs with a strong, watertight seal. A must-have for DIY and professional use!

### ⭐⭐⭐⭐⭐ Used for my Wide Driveway Cracks
*by M***G on December 7, 2025*

You’ve seen the commercials. I used this to fill the 3/4” to 1.5” cracks in my asphalt driveway. I’ve used the Black Flex Seal Liquid for as long as ten years to fill the cracks. I never had any fail. I live in a harsh winter area. It’s expensive and you have to come up with your own system as to how to apply. I transfer from the big container to a Pyrex 16oz measuring cup.

### ⭐⭐⭐⭐⭐ Works like a charm!!
*by A***. on June 29, 2025*

I've had a leaky balcony issue for a long time that leaked through to my kitchen ceiling. I used a little can of flex seal for the bad spots and it worked so well that I bought the bigger container and did my entire balcony myself. Didn't leak through all of those bad rain storms we've had lately. This stuff is freaking amazing!!!!!

## Frequently Bought Together

- Flex Seal Liquid MAX, 2.5 Gallon, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry
- Flex Seal 2-Pack Black 17oz Stop Leaks Instantly, Waterproof Sealant Coating For Gutters, RV, Roof, Skylights, Windows
- Flex Tape, MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1

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**Shop now:** [https://www.desertcart.lk/products/352099975-liquid-rubber-coating-sealant-waterproof-flexible-breathable-and-uv-resistant](https://www.desertcart.lk/products/352099975-liquid-rubber-coating-sealant-waterproof-flexible-breathable-and-uv-resistant)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-04*