---
product_id: 32639628
title: "Rubber Sealant Coating, Waterproof, Black, 32 oz"
brand: "flex seal liquid"
price: "₨37245"
currency: LKR
in_stock: true
category: "Flex Seal Liquid"
url: https://www.desertcart.lk/products/32639628-rubber-sealant-coating-waterproof-black-32-oz
store_origin: LK
region: Sri Lanka
---

# 100% waterproof sealant UV resistant for lasting protection 32 oz versatile liquid rubber Rubber Sealant Coating, Waterproof, Black, 32 oz

**Brand:** flex seal liquid
**Price:** ₨37245
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Rubber Sealant Coating, Waterproof, Black, 32 oz by flex seal liquid
- **How much does it cost?** ₨37245 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/32639628-rubber-sealant-coating-waterproof-black-32-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

- • **Multi-Surface Mastery:** Works seamlessly on wood, metal, glass, plastic, and PVC
- • **Ultimate Leak Stopper:** Brush, roll, dip, or pour on for instant watertight sealing
- • **Fast-Cover, Long-Lasting:** Smooth application with quick coverage and durable finish
- • **Rust & Corrosion Defender:** Protects metal and masonry from environmental damage
- • **Flexible Rubberized Shield:** Adapts to surfaces, preventing cracks and leaks under stress

## Overview

Flex Seal Liquid Rubber Sealant Coating is a 32 oz black, waterproof, and UV-resistant liquid rubber that can be brushed, rolled, dipped, or poured onto multiple surfaces. It provides a flexible, durable barrier that stops leaks fast while preventing rust and corrosion, making it ideal for roofs, basements, RVs, gutters, and masonry. Trusted by thousands with a 4.5-star rating, it’s the go-to solution for professional-grade waterproofing and protection.

## Description

desertcart.com: Flex Seal Liquid Rubber Sealant Coating, Waterproof, Black, 32 oz | Stops leaks fast, brush, roll, dip or pour on, UV resistant, prevents rust, corrosion, roof, basement, RV, gutters, masonry : 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 | B01GFYA5IG |
| Best Sellers Rank | #1,221 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Hardware Sealers |
| Brand Name | Flex Seal Liquid |
| Color | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.5 4.5 out of 5 stars (14,021) |
| Global Trade Identification Number | 00853517006290 |
| Included Components | LFSBLKR32 |
| Item Dimensions | 4.75 x 4.25 x 4.25 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 | LFSBLKR32 |
| Item Weight | 2 pounds |
| Manufacturer | SWIFT RESPONSE LLC |
| Material Type | Rubber |
| Model | LFSBLKR32 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | LFSBLKD32BC |
| Style Name | LFSBLKR32 |
| Surface Recommendation | Wood, Metal, Glass, Plastic, PVC |
| UPC | 853517006290 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal Liquid
- **Item Weight:** 2 pounds
- **Item dimensions L x W x H:** 4.75 x 4.25 x 4.25 inches
- **Material:** Rubber
- **Style:** LFSBLKR32

## Images

![Rubber Sealant Coating, Waterproof, Black, 32 oz - Image 1](https://m.media-amazon.com/images/I/81TV0ebuvwL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can i use this to seal the bottom of camping trail made of plywood would it make the bottom water proof to the road conditions?**
A: Hi there. Thank you so much for reaching out with your question. Yes, Flex Seal Liquid will effectively coat and seal the bottom of the trailer and protecting it from water. However, road conditions may require you to reapply coats from the wear and tear put through time. Please let us know how it turns out for you. Please message us with any other questions. We're always happy to help.

**Q: Can this be used to repair a spring box?**
A: Thank you for reaching out! 
We have not tested Flex Seal Liquid for this type of application.
Lucas - Customer Care at Flex Seal Products
(Swift Response - The makers of Flex Seal Liquid)

**Q: Will it it hold a little crack on the thread of water tank causing pressure lost?**
A: Hi there, great question! We cannot guarantee that Flex Seal Liquid will hold on the crack due to the fact that it is not meant to withstand high PSI.

**Q: Can this be used to repair cracking finish on metal garden posts?**
A: Yes. Keep in mind it’s rubber so apply accordingly

## Frequently Bought Together

- Flex Seal Liquid Rubber in a Can, 32-oz, Black
- Gorilla Waterproof Patch & Seal Clear Spray 14oz
- Gorilla Waterproof Patch & Seal Tape 4" X 10' Black, Pack Of 1

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**Shop now:** [https://www.desertcart.lk/products/32639628-rubber-sealant-coating-waterproof-black-32-oz](https://www.desertcart.lk/products/32639628-rubber-sealant-coating-waterproof-black-32-oz)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-10-01*