--- product_id: 510343828 title: "Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More" brand: "flex seal liquid" price: "R1775" currency: ZAR in_stock: true reviews_count: 8 category: "Flex Seal Liquid" url: https://www.desertcart.co.za/products/510343828-flood-protection-28-oz-waterproof-rubberized-liquid-removable-use-on store_origin: ZA region: South Africa --- # UL-verified waterproof up to 3ft for 14 days Removable after floodwaters recede Versatile application: brush, roll, or pour Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More **Brand:** flex seal liquid **Price:** R1775 **Availability:** ✅ In Stock ## Summary > 🌊 Seal the flood out, not your lifestyle. ## Quick Answers - **What is this?** Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More by flex seal liquid - **How much does it cost?** R1775 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/510343828-flood-protection-28-oz-waterproof-rubberized-liquid-removable-use-on) ## 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 - • **Temporary Yet Tough:** Strong rubberized liquid that’s fully removable once floodwaters subside—no permanent mess. - • **Deep Penetration Seal:** Penetrates cracks and openings to lock out water where others can’t reach. - • **Unmatched Flood Defense:** UL-tested to block water through 1/8" gaps at 3ft depth for 14 days—your home’s invisible shield. - • **Synergistic Flood Barrier:** Designed to work with the full Flex Seal Flood Protection family for layered, professional-grade defense. - • **Effortless Multi-Surface Application:** Brush, roll, or pour on windows, doors, seams, vents, and more for seamless protection. ## Overview Flex Seal Liquid Flood Protection is a UL-verified, waterproof rubberized liquid designed to seal gaps up to 1/8" against floodwaters up to 3 feet deep for 14 days. It applies easily by brushing, rolling, or pouring on multiple surfaces including windows, doors, and vents. This removable, deep-penetrating coating works best as a final protective layer in combination with other Flex Seal Flood Protection products, offering a cost-effective, temporary flood barrier solution for homes in flood-prone areas. ## Description Product description The Flex Seal Family of Flood Protection Products are specifically designed to work TOGETHER to create multiple layers of super-strong, waterproof protection, and to be easily removed after floodwaters recede. They can help slow down or even stop water from entering structures. The Flex Seal Family of Flood Protection Products Bring it on. Floods are now the leading natural disaster on the planet. Help defend your home from rising water by applying our Flood Protection Paste, Tape, Spray, and Liquid to every opening of your home where floodwaters could enter. Take it off. All of our Flood Protection Products have been designed for simple removal once floodwaters recede. Independently Tested by UL Solutions. When used in combination and as directed, our Flood Protection products have been independently verified by UL Solutions to hold back 3ft of water for 14 days on gaps up to ½ inch.* Includes step-by-step application directions. All of our Flood Protection products come with a comprehensive application directions booklet, as well as a link to detailed “how-to” videos, guided by Flood Protection pros. Depending on the opening to be sealed, use FLEX SEAL LIQUID FLOOD PROTECTION in combination with FLEX PASTE FLOOD PROTECTION (CARTRIDGE) Our primary Flood Protection product. Should be used as a base coat for your first layer of protection. The cartridge nozzle allows you to target specific areas that need to be sealed. Use on windows, doors, garage doors, and all types of seams, casings, thresholds, conduits, vents and ducts, keyholes, and more. FLEX PASTE FLOOD PROTECTION (WRAPPED SLEEVE) Use on larger areas, flat surfaces, or directly on top of our other Flood Protection products. Great for basement widows, pet doors, crawlspaces, seams, windowsills, foundation cracks, and more. FLEX TAPE FLOOD PROTECTION Use on smooth, flat, even surfaces, and always in combination with our other Flood Protection products. Do not bend our Flood Tape around corners or over irregular shapes. Apply Flood Paste directly on top of the Flood Tape and its edges, making sure that each coat is wider and overlaps the Flood Tape. FLEX SEAL SPRAY FLOOD PROTECTION Can be used as a primer coating, prior to applying our other Flood Protection products, or as a final coat of protection to fill any small openings or pinholes that may have been missed. Use in combination with our other Flood Protection products. Perfect for sealing hard-to-reach areas, such as door tracks, seams, windowsills, small openings, corners, irregular shapes, and more. IMPORTANT INFORMATION Always follow State and Local weather advisories and evacuation orders. Depending on the age and type of construction, there may be areas that cannot be seen or sealed. Unsealed porous surfaces may seep water during extended underwater exposure. Not designed to protect against extreme winds, water pressure, flying or floating debris. Not intended to stop water from flash floods or if there is structural damage to the building. For best results, use our FLEX PASTE FLOOD PROTECTION IN A CARTRIDGE as the base coat for the first layer of protection, and our FLEX SEAL LIQUID FLOOD PROTECTION as a final coat to help seal openings that may not be visible. *For complete Flex Seal Family of Flood Protection Products UL Verified details, visit: Verify.UL.com V114667, V165781, V855276 Review: Works - Difficult to remove Review: Affordable Protection That Really Works! - After our house flooded last year, we looked into professional flood barriers, but the cost was outrageous. That’s when we tried Flex Seal Liquid—and honestly, it was a lifesaver. We applied it along the base of our foundation and around vulnerable door frames, and it created a strong, waterproof barrier that gave us real peace of mind during heavy rainstorms. The application was straightforward—brush or roll it on, let it cure, and you’re set. It dries into a thick, flexible coating that feels durable yet not brittle. When the next big storm hit, we had no water seeping inside where it used to pour in. It’s not a complete replacement for professional flood systems, but for the price, it’s an amazing layer of protection. If you live in a flood-prone area and need a cost-effective solution, I can’t recommend this enough. It’s not just hype—Flex Seal truly helped protect our home when we couldn’t afford expensive alternatives. ## Features - Verified by UL for No water penetration through 1/8" gaps at depths up to 3 feet, for 14 days. - Flood Protection Liquid can be brushed, rolled, or poured directly onto the surface, or on top of our other Flood Protection products. Penetrates deep into gaps, cracks, and openings. - Use as a final coat of protection to help seal any small pinholes or openings that may have been missed. - Once floodwaters recede, our Flood Protection Liquid can be easily removed. - Flood Protection Liquid should ALWAYS be used in combination with our other Flood Protection Products. - For detailed “how-to” video instructions, please visit our site. - Patent Pending for Products and Uses ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BRTCRFBG | | Best Sellers Rank | #185,148 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #584 in Hardware Sealers | | Brand | Flex Seal Liquid | | Brand Name | Flex Seal Liquid | | Color | Yellow | | Compatible Material | Rubber | | Customer Reviews | 4.0 out of 5 stars 72 Reviews | | Included Components | Flex Seal Liquid Flood Protection, 28 oz | | Item Dimensions | 5 x 4.5 x 4.5 inches | | Item Form | Liquid | | Item Type Name | Flex Seal Liquid Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More | | Item Weight | 28 Ounces | | Item dimensions L x W x H | 5 x 4.5 x 4.5 inches | | Manufacturer | Swift Response, LLC | | Material | Rubber | | Material Type | Rubber | | Model | RLSYELR32 | | Number of Items | 1 | | Part Number | RLSYELR32 | | Style | 28 oz | | Style Name | 28 oz | | Supported Standards | UL | | Surface Recommendation | Doors,Windows | | UPC | 850010226309 | | Unit Count | 28.0 Fluid Ounces | | Warranty Description | Warranty | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal Liquid - **Item Weight:** 28 Ounces - **Item dimensions L x W x H:** 5 x 4.5 x 4.5 inches - **Material:** Rubber - **Style:** 28 oz ## Images ![Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More - Image 1](https://m.media-amazon.com/images/I/619ot5X2FML.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works *by G***N on October 22, 2024* Difficult to remove ### ⭐⭐⭐⭐⭐ Affordable Protection That Really Works! *by R***N on August 28, 2025* After our house flooded last year, we looked into professional flood barriers, but the cost was outrageous. That’s when we tried Flex Seal Liquid—and honestly, it was a lifesaver. We applied it along the base of our foundation and around vulnerable door frames, and it created a strong, waterproof barrier that gave us real peace of mind during heavy rainstorms. The application was straightforward—brush or roll it on, let it cure, and you’re set. It dries into a thick, flexible coating that feels durable yet not brittle. When the next big storm hit, we had no water seeping inside where it used to pour in. It’s not a complete replacement for professional flood systems, but for the price, it’s an amazing layer of protection. If you live in a flood-prone area and need a cost-effective solution, I can’t recommend this enough. It’s not just hype—Flex Seal truly helped protect our home when we couldn’t afford expensive alternatives. ### ⭐ Don’t Buy This - Can’t work with it, can’t remove *by R***T on October 11, 2024* This product never did dry ( applied over the Flex Tape to prevent predicted 6-8 ft storm surge from Milton as recommended ) and it will cause you to repaint or restain any wood item it comes in contact with. Took 4 1/2 hours to remove it from 2 French doors and 1 sliding glass door. The entry door is mahogany and the lower half must be restained. In addition- perhaps due to high humidity- the product becomes thick like sludge and the product isn’t useable when the can is still 1/2 full. Did it or the Flex Seal Tape work, you wonder? The storm surge never happened and saying we are grateful for this is an understatement, as we did flood from hurricane Ian and learned about the Tape after the fact. Next hurricane we will use more Tape and keep our fingers crossed. ## Frequently Bought Together - Flex Seal Liquid Flood Protection, 28 oz, Waterproof Rubberized Liquid, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More - Flex Tape Flood Protection, 3.75 in x 50 ft, MAX, Waterproof Rubberized Tape, Removable, Use on Windows, Doors, Garage Doors, Casings, Thresholds, Conduits, Vents, Ducts - Flex Paste Flood Protection, 9 oz Cartridge, 1-Pack, Waterproof Rubberized Paste, Removable, Use on Windows, Doors, Garage Doors, Seams, Casings, Thresholds, Conduits, Vents, Ducts, and More --- ## 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.za/products/510343828-flood-protection-28-oz-waterproof-rubberized-liquid-removable-use-on](https://www.desertcart.co.za/products/510343828-flood-protection-28-oz-waterproof-rubberized-liquid-removable-use-on) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-13*