---
product_id: 439247820
title: "Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon"
brand: "flex seal liquid"
price: "¥53291"
currency: JPY
in_stock: true
category: "Flex Seal Liquid"
url: https://www.desertcart.jp/products/439247820-flex-seal-liquid-rubber-coating-sealant-waterproof-flexible-breathable-uv
store_origin: JP
region: Japan
---

# UV resistant for lasting protection 125 fl oz waterproof coverage multi-surface compatibility Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon

**Brand:** flex seal liquid
**Price:** ¥53291
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal it, shield it, and never stress it again!

## Quick Answers

- **What is this?** Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon by flex seal liquid
- **How much does it cost?** ¥53291 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/439247820-flex-seal-liquid-rubber-coating-sealant-waterproof-flexible-breathable-uv)

## 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

- • **Trusted by Thousands:** Top-rated with 4.4 stars from over 11,800 users—join the community of pros who rely on Flex Seal.
- • **Fast, Smooth Coverage:** Goes on easily and dries quickly to lock out water, air, and moisture.
- • **Versatile Application:** Brush, roll, dip, or pour on concrete, metal, wood, and more—one product, endless fixes.
- • **UV Shielded Durability:** Protects against sun damage and prevents rust and corrosion for long-term reliability.
- • **Watertight Flexibility:** Seals leaks with a durable, flexible rubber barrier that moves with your surfaces.

## Overview

Flex Seal Liquid is a 1-gallon, white rubberized sealant designed for waterproofing and protecting a wide range of surfaces. Its flexible, breathable, and UV-resistant formula prevents rust and corrosion while providing a watertight barrier. Compatible with materials from concrete to metal, it offers fast, smooth application by brushing, rolling, dipping, or pouring. Highly rated and trusted for roof repairs, basements, RVs, and marine use.

## Description

Flex Seal Liquid 1 gallon White

## 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 | #1,791 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Hardware Sealers |
| 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 | 4.4 4.4 out of 5 stars (11,812) |
| Included Components | Item |
| Item Dimensions | 7.75 x 6.5 x 6.5 inches |
| Item Form | Liquid |
| Item Type Name | Flex Seal Liquid 1 gallon White |
| Item Weight | 11.3 pounds |
| Manufacturer | Swift Response, LLC |
| Material Type | Rubber |
| Model | FSLFSWHTR01 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FSLFSWHTR01 |
| 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

![Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon - Image 1](https://m.media-amazon.com/images/I/516YnRVlGwL.jpg)
![Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon - Image 2](https://m.media-amazon.com/images/I/51CpXAhzG9L.jpg)
![Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon - Image 3](https://m.media-amazon.com/images/I/51hKlxSuLIL.jpg)
![Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon - Image 4](https://m.media-amazon.com/images/I/51fJJ-vzdrL.jpg)
![Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon - Image 5](https://m.media-amazon.com/images/I/51q5zzSjjiL.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
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**Shop now:** [https://www.desertcart.jp/products/439247820-flex-seal-liquid-rubber-coating-sealant-waterproof-flexible-breathable-uv](https://www.desertcart.jp/products/439247820-flex-seal-liquid-rubber-coating-sealant-waterproof-flexible-breathable-uv)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-22*