--- product_id: 577153059 title: "Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive" brand: "71nmly" price: "€ 0.18" currency: EUR in_stock: false reviews_count: 8 url: https://www.desertcart.hr/products/577153059-invisible-waterproof-coating-agent-300g-transparent-super-strong-outdoor-anti store_origin: HR region: Croatia --- # 300g super-strong waterproof sealant Dries to waterproof layer in 24-48 hours Cold & heat resistant - no cracking or peeling Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive **Brand:** 71nmly **Price:** € 0.18 **Availability:** ❌ Out of Stock ## Summary > 💧 Seal leaks invisibly, protect boldly—your roof’s new best friend! ## Quick Answers - **What is this?** Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive by 71nmly - **How much does it cost?** € 0.18 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/577153059-invisible-waterproof-coating-agent-300g-transparent-super-strong-outdoor-anti) ## Best For - 71nmly enthusiasts ## Why This Product - Trusted 71nmly brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Weather Durability:** Withstands scorching summers and freezing winters without sagging, cracking, or peeling—your year-round leak defense. - • **Effortless Application:** Spray or brush on wet or dry surfaces for quick, efficient sealing that bonds instantly and strengthens over time. - • **Versatile Leak Solution:** Perfect for roofs, windows, bathrooms, balconies, and more—seals cracks and prevents seepage on multiple materials. - • **Long-Lasting Performance:** Forms a tough, flexible waterproof barrier within 48 hours that keeps your space dry and damage-free for the long haul. - • **Invisible & Seamless Protection:** Crystal-clear finish that blends perfectly with any surface, maintaining your aesthetic without compromise. ## Overview This 300g Invisible Waterproof Coating Agent is a transparent, super-strong silicone sealant designed for outdoor use. It offers exceptional waterproofing and adhesion on wet or dry surfaces, resists extreme temperatures without cracking or peeling, and dries clear within 24-48 hours. Ideal for sealing leaks on roofs, windows, bathrooms, and various building materials, it provides a durable, invisible barrier that blends seamlessly with any surface. ## Description 1. We provide you with a variety of trustworthy and high-quality products, and I hope you can buy your favorite products. 2. If you have any questions, we will reply you within 24 hours. 3. We try our best to ensure that you have a 100% satisfactory shopping experience! Feature: 1. The transparent glue is as thick as jelly, crystal clear and not yellowing 2. Invisible and non-marking, the water-repellent layer formed after drying is bright and transparent 3. Cold and heat resistant, good toughness 4. Performance: waterproof and durable, cold and heat resistant, strong toughness 5. Scope of application: toilets, balconies, windows, joint asbestos tiles, cement surfaces, concrete, wood, metal and other surfaces. Package included: 1pcs 300g Invisible waterproof agent + 1pcs brush Attention: 1.When the ground is wet or rainy, this product can not be used. 2.Operators should pay attention toprotect their eyes during construction. Ifit is splashed on the skin, please rinse it with clean water. 3.This product is not edible.Keep away from children. Review: Everything the seller claimed about this product was the true story, - It does what it promises and it is what it says online it is a glue varnish and a very excellent one too. It has to be good to impress me and this product is outstanding. The price is more than reasonable for the quality, ticks every box. Review: Worked for me - Worked a treat on the cons roof where the stench pipe goes through the rubber seal and was leaking. Dries clear and sealed it completely. ## Features - 【Easy and Efficient Coating】The clear silicone sealant waterproof can effectively seal and repair damaged surfaces with leakage-proof function, which can be used to bond wet surfaces with high bonding strength, waterproof and leakage-proof. Once dry, it can be painted in any color, seamlessly blending with your desired aesthetics. - 【Superb Weather Resistance】Our shower sealant can adapt to all kinds of bad environments, it won't sag or drip in the hot summer, and won't crack or peel in the cold winter. Strong adhesion, strong sealing effect, is your perfect good helper - 【Long-Lasting Results】Ourwaterproof insulation sealant contain quick-drying ingredients that make plastering, patching and sealing easy. 24-48 hours to form a waterproof layer, which becomes stronger over time. - 【Easy to Use】Spray or brush the leak sealer directly onto the surface of tiles, floor tiles, wall tiles cement, etc. Wait for the product to penetrate into the substrate. After a few minutes, when there is no liquid on the surface, spray two or three times to enhance the effect. (Waterproof Sealant Clean the substrate before construction and make sure the substrate is dry) - 【Wide Range of Uses】The waterproof spray can be used for crack seepage, window sill seepage, bathroom waterproof sealant seepage, wall seepage, roof seepage and external wall seepage. Solve your troubles! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJRRSDPL | | Best Sellers Rank | 177,459 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,001 in Sealers | | Brand | 71Nmly | | Colour | Grey | | Compatible Material | Metal, Wood | | Customer Reviews | 4.0 out of 5 stars 144 Reviews | | Included Components | 300g Transparent Waterproof Coating Agent | | Item Form | Liquid | | Item Weight | 300 Grams | | Item form | Liquid | | Item weight | 300 Grams | | Manufacturer | 71Nmly | | Manufacturer Part Number | Mife-12 | | Material | Rubber | | Model Number | JS-01 | | Number of Items | 1 | | Style | Compact | | Style Name | Compact | | Surface Recommendation | Floor, Tile, Wall, Window | | Unit Count | 300.0 gram | | Water Resistance Level | Waterproof | | Water resistance level | Waterproof | ## Product Details - **Brand:** 71Nmly - **Item weight:** 300 Grams - **Material:** Rubber - **Style:** Compact - **Water resistance level:** Waterproof ## Images ![Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Image 1](https://m.media-amazon.com/images/I/718qA+P9SAL.jpg) ![Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Image 2](https://m.media-amazon.com/images/I/61zr8BAsHzL.jpg) ![Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Image 3](https://m.media-amazon.com/images/I/71lFLdc4fuL.jpg) ![Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Image 4](https://m.media-amazon.com/images/I/81OF0oxRwjL.jpg) ![Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Image 5](https://m.media-amazon.com/images/I/71jU638S7lL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Everything the seller claimed about this product was the true story, *by B***T on 22 May 2025* It does what it promises and it is what it says online it is a glue varnish and a very excellent one too. It has to be good to impress me and this product is outstanding. The price is more than reasonable for the quality, ticks every box. ### ⭐⭐⭐⭐⭐ Worked for me *by P***K on 5 September 2025* Worked a treat on the cons roof where the stench pipe goes through the rubber seal and was leaking. Dries clear and sealed it completely. ### ⭐⭐⭐ Waterproof paint *by E***E on 7 September 2024* I bought this because I needed to line a birdbath . I did not realise that it would soften when it is soaked with water. I had to buy a different product to do the actual lining of the birdbath which works well ## Frequently Bought Together - Invisible Waterproof Coating Agent 300g - Transparent, Super Strong, Outdoor Anti-Leakage Roof Sealant Adhesive - Gorilla Heavy Duty White Grab Adhesive 200ml Tube – All-Purpose, Ultra-High Strength, Holds Instantly, 100% Waterproof & temperature resistant - Gorilla Contact Adhesive Clear 75g --- ## 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.hr/products/577153059-invisible-waterproof-coating-agent-300g-transparent-super-strong-outdoor-anti](https://www.desertcart.hr/products/577153059-invisible-waterproof-coating-agent-300g-transparent-super-strong-outdoor-anti) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-14*