--- product_id: 694377646 title: "MAX, 17 oz, 2-Pack, Black, 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: "€ 112.61" currency: EUR in_stock: true reviews_count: 6 category: "Flex Seal" url: https://www.desertcart.be/products/694377646-max-17-oz-2-pack-black-stop-leaks-instantly-waterproof store_origin: BE region: Belgium --- # Instant waterproof seal Heat & cold resistant 17 oz liquid rubber spray MAX, 17 oz, 2-Pack, Black, 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:** € 112.61 **Availability:** ✅ In Stock ## Summary > 🛠️ Seal it. Protect it. Forget leaks forever. ## Quick Answers - **What is this?** MAX, 17 oz, 2-Pack, Black, 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?** € 112.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/694377646-max-17-oz-2-pack-black-stop-leaks-instantly-waterproof) ## 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 - • **Trusted by Thousands:** Over 10,000+ 4.4-star reviews prove it’s the go-to sealant for pros and DIYers alike. - • **Weatherproof & Durable:** Won't crack, peel, sag, or drip through extreme heat or freezing cold—lasting protection year-round. - • **Spray-On Liquid Rubber Power:** Seals leaks instantly with a thick, flexible coating that adapts to any surface. - • **Versatile Surface Compatibility:** Works on wood, metal, concrete, glass, fabric, and more—your all-in-one fix-it solution. - • **Paintable Finish for Seamless Blending:** Once dry, customize with any paint color to keep repairs discreet and stylish. ## Overview Flex Seal MAX is a 2-pack of 17 oz black liquid rubber spray sealant designed to instantly stop leaks by forming a waterproof, flexible coating. It withstands extreme temperatures without cracking or peeling and adheres to a wide range of materials including wood, metal, concrete, and glass. Ideal for roof, gutter, RV, and window repairs, it dries paintable for a clean finish and enjoys high customer satisfaction with over 10,000 positive reviews. ## Description FLEX SEAL MAX is actually liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. Flex Seal coats, seals, protects and will Stop Leaks Fast! It’s like a...HANDYMAN IN A CAN. FLEX SEAL has many advantageous applications and uses, that when applied correctly, can last for many years. The most common uses for Flex Seal are listed below: Fix leaky roofs, gutters, and downspouts. Repair RV’S, campers, and mobile homes. Repair skylights and Vent Pipes, For roof drip edges and flashings. Leaky or broken hose and PVC pipe repairs. To seal or repair windowsills. For A/C drip pans, portable A/C units, duct work, and chimneys. On boats and other personal watercrafts. For bird baths, ponds, and fountains. Flat, metal, rubberized and granulated roof repairs and leaks. Foundations, gravel stops, asphalt shingles, and overlapped seams. And, so much more! Flex Seal will work on: Wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, rubber, cement, some vinyl and so much more! *Flex Seal may not be compatible with all plastics, vinyl, or rubbers. Review: Poor prodect - Not useable Review: Good - Good ## 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 and lasts many years. - Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies. - Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C44CXPZ7 | | Best Sellers Rank | #26,387 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #150 in Hardware Sealers | | Brand | Flex Seal | | Brand Name | Flex Seal | | Color | Black | | Compatible Material | Rubber | | Customer Reviews | 4.4 out of 5 stars 10,606 Reviews | | Item Dimensions | 27.9 x 15.2 x 7.6 centimeters | | Item Form | Liquid, Spray | | Item Weight | 17 Ounces | | Item dimensions L x W x H | 27.9 x 15.2 x 7.6 centimeters | | Item weight | 17 Ounces | | Manufacturer | Flex Seal | | Material | Rubber | | Material Type | Rubber | | Number of Items | 2 | | Part Number | FSMAXBLK24-2PK | | Style | MAX, 2 Pack - Black, 17 oz. | | Style Name | MAX, 2 Pack - Black, 17 oz. | | Surface Recommendation | Roof,Windows,Wood | | UPC | 810129870329 | | Unit Count | 2.0 Count | | Water Resistance Level | Waterproof | | Water resistance level | Waterproof | ## Product Details - **Brand:** Flex Seal - **Item dimensions L x W x H:** 27.9 x 15.2 x 7.6 centimeters - **Item weight:** 17 Ounces - **Material:** Rubber - **Style:** MAX, 2 Pack - Black, 17 oz. ## Images ![MAX, 17 oz, 2-Pack, Black, 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/810qtACQtnL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Will flexseal fix an oil leak** A: It’s sealed water leaks in my basement pipes so I’m sure oil would be easy enough but I suggest you clean the surface thoroughly so that the bonding is complete before you spray ## Customer Reviews ### ⭐ Poor prodect *by A***F on 18 June 2021* Not useable ### ⭐⭐⭐⭐⭐ Good *by D***L on 27 December 2023* Good ### ⭐⭐⭐⭐⭐ Atende a expectativa. *by S***O on 7 April 2021* Produto resolveu um problema entre a calha e a parede evitando escorrimento de água da chuva mostrou-se mais eficiente que o veda calha. Esperar para ver a durabilidade do produto sob as intempéries. ## Frequently Bought Together - Flex Seal 2-Pack Black 17oz Stop Leaks Instantly, Waterproof Sealant Coating For Gutters, RV, Roof, Skylights, Windows - Flex Seal Liquid, 16 oz, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry --- ## 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.be/products/694377646-max-17-oz-2-pack-black-stop-leaks-instantly-waterproof](https://www.desertcart.be/products/694377646-max-17-oz-2-pack-black-stop-leaks-instantly-waterproof) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-03*