---
product_id: 16222287
title: "14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More"
brand: "flex seal"
price: "212 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Flex Seal"
url: https://www.desertcart.ro/products/16222287-14-oz-white-stop-leaks-instantly-waterproof-rubber-spray-on
store_origin: RO
region: Romania
---

# Instant waterproof seal Heat & cold resistant Flexible rubber coating 14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

**Brand:** flex seal
**Price:** 212 Lei
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it. Protect it. Flex it. The ultimate leak-stopper for pros who won’t settle.

## Quick Answers

- **What is this?** 14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More by flex seal
- **How much does it cost?** 212 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/16222287-14-oz-white-stop-leaks-instantly-waterproof-rubber-spray-on)

## Best For

- flex seal enthusiasts

## Why This Product

- Trusted flex seal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Paintable Finish:** Once dry, customize with any paint color to match your style seamlessly.
- • **Durable Flexibility:** Rubberized coating stays pliable for years, resisting cracks and peeling.
- • **Seal Leaks Instantly:** Spray on and stop leaks in seconds—no downtime, no hassle.
- • **Versatile Application:** Perfect for gutters, roofs, RVs, wood, windows, and creative projects.
- • **All-Weather Protection:** Withstands scorching heat and freezing cold without sagging or damage.

## Overview

Flex Seal is a 14 oz white spray-on rubberized sealant that instantly stops leaks by creating a waterproof, flexible coating. Designed for durability, it resists cracking, peeling, and weather extremes, making it ideal for gutters, roofs, RVs, wood, and more. Paintable and easy to apply, it offers a professional-grade solution trusted by thousands with a 4.4-star rating.

## Description

Flex Seal, 14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - desertcart.com

Review: Good Product - Flex Seal Works Great - Flex Seal is great quality. It comes ready to use so mixability is easy to get started. It's a great price. The Flex Seal is very durable, looks great and clean up is easy so removal is easy. The product seems sturdy.
Review: Good Product - Works very good, used it 4 months ago on metal building and still looks like same day I put it on, no checking or discoloration yet

## Features

- The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color
- Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years
- Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies
- Protects surface from corrosion, can be used on wet or dry surfaces
- Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00W5PLX04 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #306 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Hardware Sealers |
| Brand | Flex Seal |
| Color | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (38,596) |
| Date First Available | April 15, 2015 |
| Global Trade Identification Number | 00855647003613 |
| Included Components | Liquid Rubber |
| Is Discontinued By Manufacturer | No |
| Item Form | Spray |
| Item Package Quantity | 1 |
| Item Weight | 14 ounces |
| Item dimensions L x W x H | 9.5 x 2.5 x 2.5 inches |
| Item model number | FSWHTR20 |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Measurement System | US |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | FSWHTR20 |
| Product Dimensions | 9.5 x 2.5 x 2.5 inches |
| Size | 14 oz (Pack of 1) |
| Special Features | Alcohol-Free |
| Style | White, 14 oz, 1-Pack |
| Surface Recommendation | Roof,Windows,Wood |
| UPC | 855647003613 |
| Unit Count | 14.0 Fluid Ounces |
| Volume | 1 Centiliters |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal
- **Material:** Rubber
- **Style:** White, 14 oz, 1-Pack

## Images

![14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More - Image 1](https://m.media-amazon.com/images/I/71NQ824kFWL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Product - Flex Seal Works Great
*by C***D on February 20, 2026*

Flex Seal is great quality. It comes ready to use so mixability is easy to get started. It's a great price. The Flex Seal is very durable, looks great and clean up is easy so removal is easy. The product seems sturdy.

### ⭐⭐⭐⭐⭐ Good Product
*by B***K on February 14, 2026*

Works very good, used it 4 months ago on metal building and still looks like same day I put it on, no checking or discoloration yet

### ⭐⭐⭐⭐ Worked for cement water fountain
*by B***D on December 6, 2025*

Good product but goes on thick, hard to get a even coat.

## Frequently Bought Together

- Flex Seal, 14 oz, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More
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- Gorilla Waterproof Patch & Seal Tape, White Tape, 4" x 10' (Pack of 1) - Permanent Weather Resistant Seal for Leaks and Repairs

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**Shop now:** [https://www.desertcart.ro/products/16222287-14-oz-white-stop-leaks-instantly-waterproof-rubber-spray-on](https://www.desertcart.ro/products/16222287-14-oz-white-stop-leaks-instantly-waterproof-rubber-spray-on)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-14*