--- product_id: 510343828 title: "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" brand: "flex seal liquid" price: "S$105" currency: SGD in_stock: true reviews_count: 8 category: "Flex Seal Liquid" url: https://www.desertcart.sg/products/510343828-flex-seal-liquid-flood-protection-28-oz-waterproof-rubberized-liquid store_origin: SG region: Singapore --- # UL-verified waterproof up to 3ft for 14 days Removable after floodwaters recede Versatile application: brush, roll, or pour 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 **Brand:** flex seal liquid **Price:** S$105 **Availability:** ✅ In Stock ## Summary > 💦 Seal the flood out, not your plans! ## Quick Answers - **What is this?** 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 by flex seal liquid - **How much does it cost?** S$105 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/510343828-flex-seal-liquid-flood-protection-28-oz-waterproof-rubberized-liquid) ## 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:** Easily removable once floodwaters subside—protection that adapts to your needs. - • **Deep Penetration Seal:** Penetrates cracks and openings to lock out water where it matters most. - • **Effortless Application:** Brush, roll, or pour on any surface for seamless protection—flexible to your workflow. - • **Synergistic Protection:** Designed to work best with other Flex Seal Flood Protection products for a comprehensive barrier. - • **Unmatched Flood Defense:** Certified to block water through 1/8" gaps at depths up to 3 feet for 14 days—your ultimate flood shield. ## Overview Flex Seal Liquid Flood Protection is a 28 oz waterproof rubberized liquid that provides UL-verified flood defense by sealing gaps up to 1/8" at depths of 3 feet for 14 days. It can be brushed, rolled, or poured onto various surfaces like windows, doors, and vents, penetrating deep into cracks. The product is removable after floodwaters recede and is designed to complement other Flex Seal Flood Protection products for maximum effectiveness. ## Description 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 - desertcart.com Review: Works - Difficult to remove Review: Good product - Easy to use. Works great to seal doorways. ## 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 | #209,629 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #676 in Hardware Sealers | | Brand | Flex Seal Liquid | | Brand Name | Flex Seal Liquid | | Color | Yellow | | Compatible Material | Rubber | | Customer Reviews | 4.2 out of 5 stars 42 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 | 1.8 pounds | | 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 | | Number of Packs | 1 | | Part Number | RLSYELR32 | | Style | 28 oz | | Style Name | 28 oz | | Supported Standards | UL | | Surface Recommendation | Doors,Windows | | UPC | 850010226309 | | Unit Count | 28 Fluid Ounces | | Warranty Description | Warranty | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal Liquid - **Item Weight:** 1.8 pounds - **Item dimensions L x W x H:** 5 x 4.5 x 4.5 inches - **Material:** Rubber - **Style:** 28 oz ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/619ot5X2FML.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/71Uq8TbouHL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/6139wgLUH5L.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/61JIKTCcXFL.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/61d0PHE082L.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works *by G***N on October 22, 2024* Difficult to remove ### ⭐⭐⭐⭐⭐ Good product *by C***8 on June 3, 2026* Easy to use. Works great to seal doorways. ### ⭐⭐⭐⭐⭐ Easy to use *by B***D on March 4, 2026* Handy around the house ## 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.sg/products/510343828-flex-seal-liquid-flood-protection-28-oz-waterproof-rubberized-liquid](https://www.desertcart.sg/products/510343828-flex-seal-liquid-flood-protection-28-oz-waterproof-rubberized-liquid) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-12*