--- product_id: 174927270 title: "Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)……" brand: "smartseal" price: "€ 506.56" currency: EUR in_stock: true category: "Smart Seal" url: https://www.desertcart.at/products/174927270-smartseal-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand store_origin: AT region: Austria --- # Solidifies jointing sand deeply Heavy traffic resistance 23L ultra-durable volume Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… **Brand:** smartseal **Price:** € 506.56 **Availability:** ✅ In Stock ## Summary > 🛡️ Seal your paving like a pro — durability that demands attention! ## Quick Answers - **What is this?** Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… by smartseal - **How much does it cost?** € 506.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/174927270-smartseal-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand) ## Best For - smartseal enthusiasts ## Why This Product - Trusted smartseal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Moss & Stain Defense:** Powerful resistance against moss, algae, oil spills, and tyre marks keeps surfaces pristine. - • **Advanced Joint Stabilization:** Seeps deep to solidify sand, locking blocks in place and preventing weed growth. - • **Fast & Efficient Application:** Low viscosity formula allows quick 2-coat application with just 4 hours between coats. - • **UV-Protected Color Enhancement:** Enhances natural block color while preventing fading under harsh sunlight. - • **Unmatched Durability for High-Traffic Zones:** Engineered polyurethane formula withstands commercial wear and tear effortlessly. ## Overview Smartseal Polyurethane Block Paving Sealer is a 23-litre, solvent-based, low viscosity prepolymer designed for ultra-durable protection of concrete block paving. Ideal for both residential and commercial use, it solidifies jointing sand to inhibit movement and weed growth, resists moss, algae, oil stains, and tyre marks, and enhances color with UV resistance. Recommended for high-traffic areas, it requires two coats applied within 4 hours for optimal long-lasting results. ## Description Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… : desertcart.co.uk: DIY & Tools ## Features - 🛢️ For both residential and commerical applications, Smartseal Polyurethane block paving sealer is a 𝗟𝗼𝘄 𝗩𝗶𝘀𝗰𝗼𝘀𝗶𝘁𝘆 𝗣𝗿𝗲𝗽𝗼𝗹𝘆𝗺𝗲𝗿 𝗦𝗲𝗮𝗹𝗲𝗿 designed for heavily trafficked areas - ⚔️ Highly resistant to a range of unsightly green growth such as moss, algae and lichen spores. As well as this, the product provides 𝗦𝘂𝗽𝗲𝗿𝗯 𝗥𝗲𝘀𝗶𝘀𝘁𝗮𝗻𝗰𝗲 𝘁𝗼 𝗢𝗶𝗹 spills and stains. - 🧱 Works to solidify jointing sand as it seeps deep into the joints. This helps to 𝗜𝗻𝗵𝗶𝗯𝗶𝘁 both 𝗠𝗼𝘃𝗲𝗺𝗲𝗻𝘁 of the block paving, as well as 𝗪𝗲𝗲𝗱 𝗚𝗿𝗼𝘄𝘁𝗵 from within - 🚿 Will give off a colour enhanced finish whilst still being resistant to tyre markings and pressure washing. The product is also 𝗨𝗩 𝗥𝗲𝘀𝗶𝘀𝘁𝗮𝗻𝘁, which means it protects blocks against colour loss - ✔️ For optimum results apply 2 coats, with the second coat application a 𝗠𝗮𝘅𝗶𝗺𝘂𝗺 𝗼𝗳 𝟰 𝗛𝗼𝘂𝗿𝘀 after the first. For full application guide please see below 🔻 - 🛈 Not suitable for use with Block Magic. The clear coat required is either our Matt or Silk Block Paving Sealer ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07TFJ8R8D | | Best Sellers Rank | 262,572 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,656 in Sealers | | Brand | SmartSeal | | Colour | Sand | | Compatible Material | Concrete | | Country Of Origin | United Kingdom | | Customer Reviews | 4.5 4.5 out of 5 stars (13) | | Included Components | Product Only | | Item Form | Liquid, Possible Paste | | Item Weight | 23 Kilograms | | Manufacturer | Smartseal UK Ltd | | Manufacturer Part Number | sm-urethane-23 | | Material | Polyurethane | | Number of Items | 1 | | Number of Packs | 1 | | Style Name | 23 Litre | | Surface Recommendation | Masonry | | Unit Count | 25000 millilitre | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** SmartSeal - **Item weight:** 23 Kilograms - **Material:** Polyurethane - **Style:** 23 Litre - **Water resistance level:** Waterproof ## Images ![Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Image 1](https://m.media-amazon.com/images/I/41f83OzMRkL.jpg) ![Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Image 2](https://m.media-amazon.com/images/I/51zD2RZGhwL.jpg) ![Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Image 3](https://m.media-amazon.com/images/I/51ZK+QBeK+L.jpg) ![Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Image 4](https://m.media-amazon.com/images/I/51O32yOM8lL.jpg) ![Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Image 5](https://m.media-amazon.com/images/I/51B2jLaeuGL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Smartseal Polyurethane Block Paving Sealer - Ultra Durable - Solidifies Jointing Sand and Creates a Long Lasting Effective Seal on Concrete Block Paving (23 Litre)…… - Smartseal Block Paving Sealer - Matt Finish - Easy to Apply, Block Paving Sealant. Durable Sand Hardener & Weed Inhibitor – Best Block Paving Sealer for Driveways, Paths & Patios (5 Litre) --- ## 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.at/products/174927270-smartseal-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand](https://www.desertcart.at/products/174927270-smartseal-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-10-20*