---
product_id: 92976181
title: "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"
brand: "flex seal"
price: "295 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/92976181-flex-seal-14-oz-white-stop-leaks-instantly-waterproof-rubber
store_origin: RO
region: Romania
---

# Instant waterproof seal Heat & cold resistant Flexible rubber coating 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

**Brand:** flex seal
**Price:** 295 Lei
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it. Protect it. Forget leaks forever.

## Quick Answers

- **What is this?** 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 by flex seal
- **How much does it cost?** 295 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/92976181-flex-seal-14-oz-white-stop-leaks-instantly-waterproof-rubber)

## 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:** Dries white and can be customized with any paint color for seamless repairs
- • **Flexible & Durable:** Rubberized coating stays pliable year-round without cracking
- • **Multi-Surface Mastery:** Perfect for gutters, roofs, wood, RVs, windows, and more
- • **Seal Leaks in Seconds:** Spray on and stop leaks instantly with a watertight barrier
- • **All-Weather Protection:** Withstands extreme heat and freezing cold without sagging or peeling

## Overview

Flex Seal is a 14 oz white spray rubber sealant that instantly stops leaks by creating a flexible, waterproof coating. Ideal for a wide range of surfaces including gutters, wood, roofs, and RVs, it resists cracking, peeling, and sagging in extreme temperatures. Once dry, it can be painted to match any surface, providing a durable, long-lasting protective barrier.

## 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: Tools & Home Improvement

## 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
- Perfect for Gutters, Wood, RV, Campers, Roof Repairs, Skylights, Windows, and more

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JNLJ2BX |
| Best Sellers Rank | #695,541 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,737 in Hardware Sealers |
| Brand Name | Flex Seal |
| Color | White |
| Compatible Material | Asphalt, Metal, Polyvinyl Chloride |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,630) |
| Included Components | Flex Seal Spray Rubber Sealant Coating, 14-oz, White |
| Item Dimensions | 9.5 x 2.5 x 2.5 inches |
| Item Form | Spray |
| Item Weight | 14 Ounces |
| Manufacturer | Swift Response, LLC |
| Material Type | Rubber |
| Model | 8542053401 |
| Number of Items | 1 |
| Part Number | FSWHTR20 |
| Style Name | FSWHTR20-M-1PK |
| Surface Recommendation | Roof,Windows,Wood |
| Unit Count | 14.0 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Seal
- **Item Weight:** 14 Ounces
- **Item dimensions L x W x H:** 9.5 x 2.5 x 2.5 inches
- **Material:** Rubber
- **Style:** FSWHTR20-M-1PK

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71NQ824kFWL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/7145+5q3XZL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/91Xmb27LnCL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/91fIxwhGEvL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/915OaDFn31L.jpg)

## Questions & Answers

**Q: Would flex tape/spray work on a leaky radiator?**
A: Thank you for reaching out!
Flex Seal Spray has not been tested on this type of application, it is not made to withstand extreme heat or pressure.
Flex Tape however will function in temperatures from -70º – 200ºF.
Lucas - Customer Care at Flex Seal Products 
(Swift Response The makers of Flex Seal)

**Q: how much coverage is in one 14oz can**
A: I don’t know. I aborted my project after it started melting away.

**Q: Is the spray good to use in a dish washer with hot water. To be used on dish racks**
A: Flex Seal is not FDA approved and should not be used around items that will be exposed to things you will be eating/drinking out of.

**Q: Will this stick to galvanized metal / steel  ... ???   Thanks ,,!!**
A: It didn’t work as advertised for me. I’d talk to my helpful Hardware Man…

## 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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- Flex Seal PFSWHTR16-DS3PKS PFSWHTR16-DS-3PKS Flexseal, White

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**Shop now:** [https://www.desertcart.ro/products/92976181-flex-seal-14-oz-white-stop-leaks-instantly-waterproof-rubber](https://www.desertcart.ro/products/92976181-flex-seal-14-oz-white-stop-leaks-instantly-waterproof-rubber)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-07-08*