--- product_id: 15511873 title: "Flex Seal, 14 oz, 2-Pack, Brown, 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: "£33.70" currency: GBP in_stock: true reviews_count: 13 category: "Flex Seal" url: https://www.desertcart.co.uk/products/15511873-flex-seal-14-oz-2-pack-brown-stop-leaks-instantly store_origin: GB region: United Kingdom --- # Instant waterproof seal Heat & cold resistant Flexible rubber coating Flex Seal, 14 oz, 2-Pack, Brown, 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:** £33.70 **Availability:** ✅ In Stock ## Summary > 💪 Seal it, protect it, forget it — Flex Seal your way to leak-proof confidence! ## Quick Answers - **What is this?** Flex Seal, 14 oz, 2-Pack, Brown, 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?** £33.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/15511873-flex-seal-14-oz-2-pack-brown-stop-leaks-instantly) ## 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 - • **Customizable Finish:** Dries to a paintable surface so you can match any color scheme effortlessly. - • **Seal Leaks Instantly:** Spray on and stop leaks fast with a watertight, flexible rubber barrier. - • **Durability That Lasts:** Stays pliable for years without cracking, peeling, or sagging—even in extreme weather. - • **Effortless Application:** Ready-to-use spray formula makes sealing and protecting your home or projects a breeze. - • **Versatile Surface Protection:** Perfect for gutters, wood, RVs, roofs, skylights, windows, and more—wet or dry surfaces. ## Overview Flex Seal 14 oz 2-pack is a waterproof rubber spray sealant designed to instantly stop leaks and protect surfaces. It forms a flexible, durable coating that resists cracking and peeling in extreme temperatures, works on wet or dry surfaces, and can be painted over for a seamless finish. Ideal for home repairs on gutters, wood, RVs, roofs, skylights, and windows. ## Description Flex Seal, 14 oz, 2-Pack, Brown, 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: Great for waterproofing wood! - This stuff works. Sprayed a piece of plywood and has kept it dry. ## 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 | B00W5Y2WQY | | Best Sellers Rank | #95 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Hardware Sealers | | Brand Name | Flex Seal | | Color | Brown | | Compatible Material | Asphalt, Metal, Polyvinyl Chloride | | Customer Reviews | 4.4 4.4 out of 5 stars (38,786) | | Global Trade Identification Number | 00810129871944 | | Included Components | Flex Seal Spray Rubber Sealant Coating, 14-oz, Brown (2 Pack) | | Item Dimensions | 9.5 x 2.5 x 2.5 inches | | Item Form | Liquid, Spray | | Item Weight | 28 Ounces | | Manufacturer | Swift Response, LLC | | Material Type | Rubber | | Number of Items | 2 | | Part Number | FSBRNR20 | | Style Name | FSBRNR20-2PK | | Surface Recommendation | Roof,Windows,Wood | | UPC | 810129871944 | | Unit Count | 28.0 Ounce | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal - **Item Weight:** 28 Ounces - **Item dimensions L x W x H:** 9.5 x 2.5 x 2.5 inches - **Material:** Rubber - **Style:** FSBRNR20-2PK ## Images ![Flex Seal, 14 oz, 2-Pack, Brown, 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/61QVsxRtWML.jpg) ![Flex Seal, 14 oz, 2-Pack, Brown, 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/716d4XWHChL.jpg) ![Flex Seal, 14 oz, 2-Pack, Brown, 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/61QUZqOhF9L.jpg) ![Flex Seal, 14 oz, 2-Pack, Brown, 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/61arMI5pI8L.jpg) ![Flex Seal, 14 oz, 2-Pack, Brown, 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/61+k0jAt6UL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Can it be used to fix a slit on a hot tub cover?** A: Thank you for reaching out! Many people have had success in situations such as this. To ensure you apply Flex Seal Spray correctly follow the steps below: Many people have had success in situations such as this. 1. Make sure the surface is clean and dry. 2. Shake well and spray using even, sweeping motion. 3. Spray a larger area than area where the leak is and feather the edges. 4. Let it dry completely (may take up to 24-48 hrs to cure). 5. Apply several, even coats until all the cracks and holes have been filled. If you have any other questions, please feel free to reach out to us again. Lucas - Customer Care at Flex Seal Products (Swift Response The makers of Flex Seal) **Q: Can you paint over it?** A: No, paint wouldn't adhere well as it creates a slick surface **Q: Can it be used inside a pond that is leaking? Will it do OK under water all the time?** A: I used it in a birdbath to try and keep the water from evaporating so fast but it eventually breaks down from the Sun and water. I wouldn't recommend it. **Q: Would this work for a leaky gutter?** A: Many people have had great success using Flex Seal on gutters. ## 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. ### ⭐⭐⭐⭐⭐ Great for waterproofing wood! *by A***S on March 28, 2026* This stuff works. Sprayed a piece of plywood and has kept it dry. ### ⭐⭐⭐⭐ It works fine *by C***R on March 9, 2026* Good product ..fit for purpose ## Frequently Bought Together - Flex Seal, 14 oz, 2-Pack, Brown, 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, White, 9 oz, 1-Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/15511873-flex-seal-14-oz-2-pack-brown-stop-leaks-instantly](https://www.desertcart.co.uk/products/15511873-flex-seal-14-oz-2-pack-brown-stop-leaks-instantly) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-01*