---
product_id: 352099975
title: "Rubber Sealant Coating, Waterproof, Black, 320 oz"
brand: "flex seal liquid"
price: "¥97504"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/352099975-rubber-sealant-coating-waterproof-black-320-oz
store_origin: JP
region: Japan
---

# 100% waterproof seal UV resistant formula 320 oz liquid rubber volume Rubber Sealant Coating, Waterproof, Black, 320 oz

**Brand:** flex seal liquid
**Price:** ¥97504
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it, protect it, forget it—Flex Seal Liquid has you covered!

## Quick Answers

- **What is this?** Rubber Sealant Coating, Waterproof, Black, 320 oz by flex seal liquid
- **How much does it cost?** ¥97504 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/352099975-rubber-sealant-coating-waterproof-black-320-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

- • **All-Weather Protection:** UV resistant and waterproof to guard against sun damage, rust, and corrosion year-round.
- • **Massive 320 oz Coverage:** Generous volume for large projects or multiple repairs—never run out mid-job!
- • **Fast Leak-Stopping Power:** Seals out water, air, and moisture quickly to keep your space dry and secure.
- • **Multi-Surface Compatibility:** Perfect for roofs, basements, RVs, gutters, and masonry—one product, endless fixes.
- • **Versatile Application Methods:** Brush, roll, dip, or pour on for ultimate flexibility and precision in sealing.

## Overview

Flex Seal Liquid Rubber Sealant Coating is a 320 oz black liquid rubber formula designed for fast, flexible, and waterproof sealing. It applies smoothly via brush, roll, dip, or pour, offering UV resistance and protection against rust and corrosion. Ideal for a wide range of surfaces including roofs, basements, RVs, gutters, and masonry, this product ensures durable, all-weather protection with a 1-year limited warranty.

## Description

Flex Seal Liquid Rubber Sealant Coating, Waterproof, Black, 320 oz | Stops leaks fast, brush, roll, dip or pour on, UV resistant, prevents rust, corrosion, roof, basement, RV, gutters, masonry: desertcart.com: Tools & Home Improvement

## 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 | #153,906 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #516 in Hardware Sealers |
| Brand Name | Flex Seal Liquid |
| Color | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.3 4.3 out of 5 stars (118) |
| Global Trade Identification Number | 00850017897434 |
| Included Components | Item |
| Item Dimensions | 10.5 x 10 x 10 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 Liquid MAX Black 2.5 Gallons |
| Item Weight | 20 pounds |
| Manufacturer | Swift Response, LLC |
| Material Type | Rubber |
| Model | LFSMAXBLK02 |
| Number of Items | 1 |
| Part Number | LFSMAXBLK02 |
| Style Name | Liquid Rubber |
| Surface Recommendation | Roof |
| UPC | 850017897434 |
| Unit Count | 320 Fluid Ounces |
| Warranty Description | 1 Year Limited |
| 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

![Rubber Sealant Coating, Waterproof, Black, 320 oz - Image 1](https://m.media-amazon.com/images/I/81FkXWgrqlL.jpg)

## Available Options

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

## 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.jp/products/352099975-rubber-sealant-coating-waterproof-black-320-oz](https://www.desertcart.jp/products/352099975-rubber-sealant-coating-waterproof-black-320-oz)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-16*