--- product_id: 39025193 title: "Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray" brand: "roklin systems inc" price: "€ 89.22" currency: EUR in_stock: true reviews_count: 1 category: "Roklin Systems Inc" url: https://www.desertcart.sk/products/39025193-roklin-systems-inc-concrete-welder-rapid-crack-repair-quick-drying store_origin: SK region: Slovakia --- # Low viscosity for deep crack penetration Dries in under 1 hour Waterproof & chemically resistant seal Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray **Brand:** roklin systems inc **Price:** € 89.22 **Availability:** ✅ In Stock ## Summary > 🛠️ Seal it fast, seal it smart—because your concrete deserves the best! ## Quick Answers - **What is this?** Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray by roklin systems inc - **How much does it cost?** € 89.22 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/39025193-roklin-systems-inc-concrete-welder-rapid-crack-repair-quick-drying) ## Best For - roklin systems inc enthusiasts ## Why This Product - Trusted roklin systems inc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Toxic Fumes, No Fuss:** Low-toxicity, solvent-free formula means safe application indoors or out without unpleasant odors. - • **Flows Deep, Seals Strong:** Ultra-low viscosity formula penetrates even the tiniest cracks for a durable, long-lasting fix. - • **Built to Resist the Elements:** Chemically resistant to oils, gasoline, salts, and antifreeze—your concrete’s new best defense. - • **Rapid Cure, Ready to Use Fast:** Get your pavement back in action in less than 60 minutes—no downtime, no hassle. - • **DIY-Friendly with Static Mixer:** Comes with a static mixer for smooth, precise application—no special tools required. ## Overview Roklin Systems’ Concrete Welder Rapid Crack Repair is a 21 oz urethane polymer crack filler designed for quick, effective sealing of concrete and pavement cracks. Its low viscosity allows deep penetration, while curing in under an hour to create a waterproof, chemically resistant barrier. Ideal for DIY foundation and driveway repairs, it comes with a static mixer for easy application and is safe with low toxicity and no solvents. ## Description Small cracks are prone to further erosion. If not sealed in time, they eventually lead to bigger structural problems in the future. The sooner you can seal them, the better. For this task, use only an effective concrete crack filler that requires little preparation & drying time - the Concrete Welder Rapid Crack Repair from Roklin Systems, Inc.Asphalt Repair SimplifiedAre you looking for an effective product that can fill hairline cracks in concrete? Look no further than our concrete crack filler! This very thin liquid material is a urethane polymer. It penetrates small cracks, forming a strong adhesive bond. How It WorksThe Concrete Welder Rapid Crack Repair is formulated differently from a brick filler. Fast-reacting & with low viscosity, it flows underneath cracked & spalled concrete, sealing it from further erosion. In the process, it also waterproofs the damaged area, blocking liquids from streaming under the slabs & creating voids. Available in 2 Colors with 2 Size/Pack Variants EachEvery cartridge comes with 1 static mixer. But you may order additional static mixers, which are sold separately. The hand-operated dual-cartridge gun is also not included in the package. Review: ... three weeks the cracks inside my garage still look good but the driveway is turning a green color and ... - After three weeks the cracks inside my garage still look good but the driveway is turning a green color and I see a few cracks appearing. Does not appear to stand up well in direct sunlight ## Features - Effectively Seals Concrete Cracks - Filling in cracks early on with our Concrete Crack Filler deters worse structural issues in the future. Ideal for pavement/ driveway crack repair, this concrete crack sealer flows underneath cracks, waterproofing & sealing the base from further erosion. - Cures in Minutes - This fast-reacting pavement/ driveway crack sealer dries in less than an hour. It is a urethane polymer that is ideal for concrete repair. Once it is fully cured, the pavement is ready for use again. - Easily Flows & Penetrates - Because our crack filler has a low viscosity, it flows easily, penetrating cracked & spalled concrete effortlessly. This liquid concrete crack filler is ideal when you want to fix a floor or pavement. - Apply It Without Worries - This concrete repair kit has low toxicity & is chemically resistant to oils, hydraulic fluids, gasoline, salts, & antifreeze. You can use our concrete hairline crack filler without risks because it has no solvents & odors. - Easy Application - You can use our concrete patch solution for any concrete pavement. This foundation crack repair kit can be used even without special equipment. After applying it to the area, smooth it out with a scraper or straight edge. Wipe up any excess & allow it to dry for 30 minutes. ## Images ![Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray - Image 1](https://m.media-amazon.com/images/I/61ynAKTkfHL.jpg) ![Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray - Image 2](https://m.media-amazon.com/images/I/91cLYRxhNsL.jpg) ![Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray - Image 3](https://m.media-amazon.com/images/I/81LHf8ly63L.jpg) ![Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray - Image 4](https://m.media-amazon.com/images/I/81+ffl8CcZL.jpg) ![Roklin Systems, Inc. - Concrete Welder Rapid Crack Repair, Quick-Drying Concrete Crack Filler, Foundation Crack Repair Injection Kit with Static Mixer, Pavement/Driveway Sealant, 21 oz, Gray - Image 5](https://m.media-amazon.com/images/I/713e9nMHOFL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐ ... three weeks the cracks inside my garage still look good but the driveway is turning a green color and ... *by A***R on October 4, 2016* After three weeks the cracks inside my garage still look good but the driveway is turning a green color and I see a few cracks appearing. Does not appear to stand up well in direct sunlight --- ## 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.sk/products/39025193-roklin-systems-inc-concrete-welder-rapid-crack-repair-quick-drying](https://www.desertcart.sk/products/39025193-roklin-systems-inc-concrete-welder-rapid-crack-repair-quick-drying) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-10-05*