---
product_id: 16015080
title: "Flex Seal, 14 oz, Almond, 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: "¥8533"
currency: JPY
in_stock: true
reviews_count: 13
category: "Flex Seal"
url: https://www.desertcart.jp/products/16015080-flex-seal-14-oz-almond-stop-leaks-instantly-waterproof-rubber
store_origin: JP
region: Japan
---

# Instant waterproof seal Heat & cold resistant Flexible rubber coating Flex Seal, 14 oz, Almond, 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:** ¥8533
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Flex Seal, 14 oz, Almond, 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?** ¥8533 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/16015080-flex-seal-14-oz-almond-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:** Customize with any color once dry to blend seamlessly with your surfaces.
- • **Flexible & Durable:** Rubberized coating stays pliable for years, resisting cracks and peeling.
- • **Seal Leaks Instantly:** Spray on and stop leaks fast—no mess, no stress.
- • **Versatile Application:** Perfect for gutters, roofs, RVs, wood, skylights, and more—your go-to fix-it spray.
- • **All-Weather Protection:** Performs flawlessly from freezing winters to scorching summers.

## Overview

Flex Seal 14 oz Almond is a waterproof rubber spray sealant designed to instantly stop leaks and protect surfaces. It dries to a flexible, durable coating that withstands extreme temperatures without cracking or peeling. Ideal for a wide range of applications including gutters, roofs, RVs, wood, and windows, it also allows for paint customization after drying, making it a versatile and long-lasting solution for professional-grade repairs.

## Description

Flex Seal, 14 oz, Almond, 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 - 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
Review: Easy to apply and does the trick - Have purchased other flexseal products in the past, so was anxious to try this spray can which makes it much easier to apply than some of the other products and does a good job of ceiling. Any leaks that you have. I use mine on a corner for a gutter on the outside, and we live in a climate that can vary from 10° below 0 to 101° above.

## 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 | B00W5PLI2W |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #324 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Hardware Sealers |
| Brand | Flex Seal |
| Color | Almond |
| Coverage | Full |
| Customer Reviews | 4.4 4.4 out of 5 stars (38,535) |
| Date First Available | April 15, 2015 |
| Finish | Brown |
| Global Trade Identification Number | 00855647003590 |
| 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 | FSTANR20 |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Measurement System | US |
| Number of Items | 1 |
| Part Number | FSTANR20 |
| Product Dimensions | 9.5 x 2.5 x 2.5 inches |
| Shape | Shape |
| Size | 14 oz (Pack of 1) |
| Special Features | special_feature |
| Style | Almond, 14 oz, 1-Pack |
| Surface Recommendation | Roof,Windows,Wood |
| UPC | 855647003590 |
| Unit Count | 1.0 Count |
| Usage | specific_uses_for_product |
| Warranty Description | Warranty |
| 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:** Almond, 14 oz, 1-Pack

## Images

![Flex Seal, 14 oz, Almond, 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/515HpVPdl5L.jpg)
![Flex Seal, 14 oz, Almond, 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/71NwJZFkJDS.jpg)
![Flex Seal, 14 oz, Almond, 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/71Hg2Tlhy4L.jpg)
![Flex Seal, 14 oz, Almond, 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/91a21X2VELS.jpg)
![Flex Seal, 14 oz, Almond, 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/71nI0zrnDtL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ Easy to apply and does the trick
*by S***R on January 4, 2026*

Have purchased other flexseal products in the past, so was anxious to try this spray can which makes it much easier to apply than some of the other products and does a good job of ceiling. Any leaks that you have. I use mine on a corner for a gutter on the outside, and we live in a climate that can vary from 10° below 0 to 101° above.

### ⭐⭐⭐⭐ 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, Almond, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More
- Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack

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**Shop now:** [https://www.desertcart.jp/products/16015080-flex-seal-14-oz-almond-stop-leaks-instantly-waterproof-rubber](https://www.desertcart.jp/products/16015080-flex-seal-14-oz-almond-stop-leaks-instantly-waterproof-rubber)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-01*