---
product_id: 347363884
title: "Flex Seal Liquid Rubber in a Can, 1-gal, Black"
brand: "flex seal liquid"
price: "103.55 OMR"
currency: OMR
in_stock: true
reviews_count: 5
category: "Flex Seal Liquid"
url: https://www.desertcart.com.om/products/347363884-flex-seal-liquid-rubber-in-a-can-1-gal-black
store_origin: OM
region: Oman
---

# UV-resistant for long-lasting durability Extreme temp range -37°C to +40°C Watertight flexible rubber coating Flex Seal Liquid Rubber in a Can, 1-gal, Black

**Brand:** flex seal liquid
**Price:** 103.55 OMR
**Availability:** ✅ In Stock

## Summary

> 🖤 Seal it once, seal it right — Flex Seal Liquid Rubber has you covered!

## Quick Answers

- **What is this?** Flex Seal Liquid Rubber in a Can, 1-gal, Black by flex seal liquid
- **How much does it cost?** 103.55 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/347363884-flex-seal-liquid-rubber-in-a-can-1-gal-black)

## 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

- • **UV Armor:** Resists sun damage to keep surfaces looking fresh and sealed season after season.
- • **Seal with Confidence:** Brush, roll, dip, or pour for versatile application anywhere you need a watertight barrier.
- • **Rust & Mildew Defense:** Prevents corrosion and mildew, extending the life of your outdoor projects effortlessly.
- • **Built to Brave Extremes:** Stays flexible and crack-free from scorching heat to freezing cold, ensuring year-round protection.
- • **Fast & Flawless Coverage:** Goes on smooth and dries quickly, saving you time without compromising quality.

## Overview

Flex Seal Liquid Rubber in a 1-gallon can delivers a versatile, watertight, and flexible rubberized coating that withstands extreme temperatures from -37°C to +40°C. Its UV resistance and mildew-proof formula prevent rust and corrosion, making it ideal for outdoor waterproofing projects. Easy to apply by brushing, rolling, dipping, or pouring, it dries fast and adheres strongly to clean, dry surfaces for long-lasting protection.

## Description

Flex Seal Liquid Rubber in a Can, 1-gal, Black

Review: The liquid in a can is great for waterproofing outdoors. I have used it on the skylight curbs and gutters on my sunroom. Has not shown any signs of wear or cracking during the past 3 years. Has withstood +40 celsius to minus 37 celsius. The liquid version of this product is better than the spray version.
Review: Very good, clean/dry concrete surface, it adhered and dried very well.

## 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. Mildew and chemical resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01GFYA482 |
| Best Sellers Rank | #36,696 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #231 in Hardware Sealers |
| Item model number | LFSBLKR01 |
| Manufacturer | Swift Response, LLC |
| Product Dimensions | 19.69 x 16.51 x 16.51 cm; 5.13 kg |

## Product Details

- **Brand:** Flex Seal Liquid
- **Item dimensions L x W x H:** 19.7 x 16.5 x 16.5 centimeters
- **Item weight:** 5.13 kg
- **Material:** Rubber
- **Style:** Compact

## Images

![Flex Seal Liquid Rubber in a Can, 1-gal, Black - Image 1](https://m.media-amazon.com/images/I/81BnW1vmPZL.jpg)

## Questions & Answers

**Q: Can this be used in 1" space between concrete slabs on a driveway?**
A: Yes many people have had great success using Flex Seal Liquid to fill in cracks and holes in their driveway.You can pour it right in to fill the spaces.

**Q: Can this product be used to seal cracks in an asphalt driveway?**
A: Yes Flex Seal Liquid can be used to fill in cracks in asphalt.

**Q: What temperataures are the best for application of Flex Seal?**
A: Flex Seal liquid temperature range is from -0 degrees - 250 degrees Fahrenheit.

**Q: How much area can a 32oz can cover?? please and thanks**
A: Thank you for reaching out!
Coverage will vary depending on number of coats used and what type of substrate you are applying FLEX SEAL LIQUID to;
1 Large 16oz – up to 20 Sq. Ft.,
1 Jumbo 32oz – up to 40 Sq. Ft.,
1 Giant Gallon – up to 150 Sq. Ft.
Samantha - Customer Care at Flex Seal Products
(Swift Response The makers of Flex Seal Liquid)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by W***M on 27 October 2021*

The liquid in a can is great for waterproofing outdoors. I have used it on the skylight curbs and gutters on my sunroom. Has not shown any signs of wear or cracking during the past 3 years. Has withstood +40 celsius to minus 37 celsius. The liquid version of this product is better than the spray version.

### ⭐⭐⭐⭐ Review
*by T***E on 23 November 2025*

Very good, clean/dry concrete surface, it adhered and dried very well.

### ⭐⭐⭐⭐⭐ Review
*by A***A on 19 September 2025*

LOVE THIS STUFF. WATERPROOFS MY FENCE POSTS TOPS.....PAINT WILL NOT STICK TO IT SO REMEMBER THAT WHEN USING

## Frequently Bought Together

- Flex Seal Liquid, 1 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.com.om/products/347363884-flex-seal-liquid-rubber-in-a-can-1-gal-black](https://www.desertcart.com.om/products/347363884-flex-seal-liquid-rubber-in-a-can-1-gal-black)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-29*