---
product_id: 439247820
title: "Rubber Sealant Coating, Waterproof, White, 128 oz"
brand: "flex seal liquid"
price: "£180.11"
currency: GBP
in_stock: true
category: "Flex Seal Liquid"
url: https://www.desertcart.co.uk/products/439247820-rubber-sealant-coating-waterproof-white-128-oz
store_origin: GB
region: United Kingdom
---

# 100% waterproof & moisture-proof UV resistant for long-lasting durability 128 oz versatile liquid rubber Rubber Sealant Coating, Waterproof, White, 128 oz

**Brand:** flex seal liquid
**Price:** £180.11
**Availability:** ✅ In Stock

## Summary

> 💧 Seal the deal with Flex Seal — where leaks meet their match!

## Quick Answers

- **What is this?** Rubber Sealant Coating, Waterproof, White, 128 oz by flex seal liquid
- **How much does it cost?** £180.11 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/439247820-rubber-sealant-coating-waterproof-white-128-oz)

## 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

- • **Weather Warrior:** UV resistant and chemical resistant to prevent rust, corrosion, and damage from the elements.
- • **Multi-Surface Master:** Adheres seamlessly to concrete, wood, metal, glass, vinyl, and more—perfect for any project.
- • **Pro-Grade Protection:** Creates a durable, flexible barrier that withstands wear and tear on roofs, basements, RVs, gutters, and boats.
- • **Ultimate Leak Stopper:** Brush, roll, dip, or pour on a watertight flexible rubberized coating that seals leaks fast.
- • **Effortless Application:** Smooth, fast coverage with easy brush-on or pour-on formula—no special tools required.

## Overview

Flex Seal Liquid Rubber Sealant Coating is a 128 oz white, waterproof, and UV-resistant liquid rubber that provides a flexible, durable seal on a wide range of surfaces. Ideal for stopping leaks quickly and preventing rust and corrosion, it can be brushed, rolled, dipped, or poured on for fast, professional-grade protection across roofs, basements, RVs, gutters, and more.

## Description

Flex Seal Liquid Rubber Sealant Coating, Waterproof, White, 128 oz | Stops leaks fast, brush, roll, dip or pour on, UV resistant, prevents rust, corrosion, roof, basement, RV, gutters, masonry - desertcart.com

## 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 | B07DX9MKGY |
| Best Sellers Rank | #1,180 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Hardware Sealers |
| Brand | Flex Seal Liquid |
| Brand Name | Flex Seal Liquid |
| Color | White |
| Compatible Material | Concrete, Glass, Brick, Stucco, Masonry, Wood, Copper, Plastic, Tile, Fabrics, Wires, Vinyl, Fiberglass, Ceramic, Porcelain, Metal, Aluminum, Natural Stones, Foam, Asphalt, Eifs, Tpo, Pvc, Epdm, Cspe, Hypalon Polyurethanes. |
| Customer Reviews | 4.5 out of 5 stars 14,056 Reviews |
| Included Components | Item |
| Item Dimensions | 7.75 x 6.5 x 6.5 inches |
| Item Form | Liquid |
| Item Highlight | Stops leaks fast, brush, roll, dip or pour on, UV resistant, prevents rust, corrosion, roof, basement, RV, gutters, masonry |
| Item Type Name | Flex Seal Liquid 1 gallon White |
| Item Weight | 11.3 pounds |
| Item dimensions L x W x H | 7.75 x 6.5 x 6.5 inches |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Material Type | Rubber |
| Model | FSLFSWHTR01 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FSLFSWHTR01 |
| Style | Liquid Rubber |
| Style Name | Liquid Rubber |
| Surface Recommendation | Roof |
| UPC | 853517006542 |
| Unit Count | 125 Fluid Ounces |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal Liquid
- **Item Weight:** 11.3 pounds
- **Item dimensions L x W x H:** 7.75 x 6.5 x 6.5 inches
- **Material:** Rubber
- **Style:** Liquid Rubber

## Images

![Rubber Sealant Coating, Waterproof, White, 128 oz - Image 1](https://m.media-amazon.com/images/I/81Y7R-Pk1gL.jpg)

## Available Options

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

## Questions & Answers

**Q: Approximately how many gallons are needed to do an entire mobile home single wide roof?**
A: One gallon per rv roof

**Q: Many roof coatings oxidize quickly and then rain washes the chalkiness onto walls and windows.  Does this product resist such oxidation?**
A: only been on 6 months in the hottest summer ever and it looks the same

**Q: Ho well does this work on previously painted home block foundation**
A: poorly

**Q: Will chlorine or bleach eat it?**
A: I clean it with bleach.

## Frequently Bought Together

- Flex Seal Liquid, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, 1 Gallon, White
- Bates Paint Roller - Paint Brush, Paint Tray, Roller Paint Brush, 11 Piece Home Painting Supplies, Foam Brush, House Painting Tray, Painting Tools, Roller and Paint Brushes, Interior Paint Brushes
- Pro Grade, Paint Brushes, 5-Piece, Paint Brush Set: Flat & Angle Brushes for Latex and Oil Paints, Stains, Interior & Exterior Home Improvement

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.uk/products/439247820-rubber-sealant-coating-waterproof-white-128-oz](https://www.desertcart.co.uk/products/439247820-rubber-sealant-coating-waterproof-white-128-oz)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-10-21*