---
product_id: 174927270
title: "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: "C$90483"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/174927270-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand-creates
store_origin: NI
region: Nicaragua
---

# Joint Sand Solidification Heavy Traffic Toughness 23L Ultra-Durable Volume 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:** C$90483
**Availability:** ✅ In Stock

## Summary

> 🧱 Seal the deal with Smartseal – where durability meets style!

## Quick Answers

- **What is this?** 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?** C$90483 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/174927270-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand-creates)

## 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

- • **Advanced Joint Stabilization:** Deep-penetrating action solidifies jointing sand to prevent block movement and weed growth, preserving your paving’s integrity.
- • **UV-Resistant Colour Enhancement:** Enhances natural block colour while protecting against fading and tyre marks, ensuring a fresh look season after season.
- • **Superior Stain & Green Growth Resistance:** Effectively repels oil spills, moss, algae, and lichen, keeping surfaces pristine and maintenance minimal.
- • **Unmatched Durability for High-Traffic Zones:** Engineered low-viscosity polyurethane formula withstands intense foot and vehicle traffic without compromise.
- • **Optimized Application for Lasting Protection:** Two-coat system with a quick 4-hour recoat window maximizes seal strength and longevity for commercial and residential use.

## Overview

Smartseal’s 23L Polyurethane Block Paving Sealer is a professional-grade, low-viscosity prepolymer designed for both residential and commercial block paving. It solidifies jointing sand to inhibit movement and weed growth, resists oil stains and green growth, and enhances colour with UV protection. Ideal for heavily trafficked areas, it requires two coats applied within 4 hours for optimal long-lasting performance.

## Description

Full description not available

## 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 |
|---------------|-------|
| Manufacturer | Smartseal UK Ltd |
| Part number | sm-urethane-23 |
| Item Weight | 23 kg |
| Item Weight | 23 kg |
| Manufacturer reference | sm-urethane-23 |
| Colour | Sand |
| Style | 23 Litre |
| Material | Polyurethane |
| Included components | Product Only |

## Product Details

- **Material:** Polyurethane
- **Brand:** SmartSeal
- **Style:** 23 Litre
- **Item weight:** 23 Kilograms
- **Water resistance level:** Waterproof

## Images

![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/81U4MRaLI7L.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)

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**Shop now:** [https://www.desertcart.ni/products/174927270-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand-creates](https://www.desertcart.ni/products/174927270-polyurethane-block-paving-sealer-ultra-durable-solidifies-jointing-sand-creates)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-04-22*