---
product_id: 42911130
title: "Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon)"
brand: "stone technologies corp"
price: "€ 725.22"
currency: EUR
in_stock: true
url: https://www.desertcart.be/products/42911130-silicate-based-hardener-densifier-concrete-sealer-x-2-5-gallon
store_origin: BE
region: Belgium
---

# Lifetime durability guarantee Reduces radon gas infiltration Hardens & strengthens concrete Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon)

**Brand:** stone technologies corp
**Price:** € 725.22
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with concrete confidence!

## Quick Answers

- **What is this?** Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon) by stone technologies corp
- **How much does it cost?** € 725.22 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/42911130-silicate-based-hardener-densifier-concrete-sealer-x-2-5-gallon)

## Best For

- stone technologies corp enthusiasts

## Why This Product

- Trusted stone technologies corp brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lifetime Confidence:** Backed by a lifetime guarantee, ensuring your investment stands the test of time.
- • **Weatherproof Shield:** UV resistant and breathable formula protects outdoor concrete from severe weather without slippery residue.
- • **Breathe Easy Indoors:** Effectively reduces harmful radon gas, enhancing your building’s safety and air quality.
- • **Fortify Your Foundation:** Transforms porous, aged concrete into rock-solid surfaces with advanced silicate chemistry.
- • **Dust & Efflorescence Defense:** Stops unsightly dusting and white salt deposits, preserving concrete’s clean, natural look.

## Overview

Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon) is a premium liquid sealer designed to penetrate and strengthen porous or aged concrete surfaces. It reduces radon gas infiltration, prevents dusting and efflorescence, and offers UV-resistant, breathable protection without altering the natural finish. Ideal for outdoor and older concrete, it comes with a lifetime guarantee for lasting durability.

## Description

Concrete Sealer X-2 (5 Gallon) has been specifically designed to seal very porous concrete or cinder blocks. This sealer is also recommended for poured concrete if the concrete is more than 10 years old or if signs of seepage or damage such as dusting and efflorescence are already evident. It is also recommended that this sealer is used on outdoor concrete surfaces which may be exposed to severe weather conditions. This sealer is not recommended for decorative, stamped or aggregate concrete.Concrete Sealer X-2 leaves a natural finish (no sheen) after application, it is UV resistant, non-yellowing, breathable and the surface will not be slippery.

## Features

- Hardener and Densifier for concrete
- Reduces Radon gas
- Hardens and Strengthens Concrete
- Stops Dusting and Efflorescence
- Lifetime Guarantee

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008SZZ180 |
| Best Sellers Rank | #1,598,032 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,245 in Hardware Sealers |
| Brand Name | Stone Technologies Corp |
| Color | clear |
| Compatible Material | Marble |
| Customer Reviews | 4.0 4.0 out of 5 stars (1) |
| Item Form | Liquid |
| Manufacturer | Stone Technologies Corp |
| Material Type | Silicone |
| Part Number | 639713555424 |
| Style Name | Compact |
| Surface Recommendation | Stone |
| UPC | 639713555424 |
| Unit Count | 1280 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Stone Technologies Corp
- **Item Form:** Liquid
- **Material:** Silicone
- **Style:** Compact
- **Water Resistance Level:** Water Resistant

## Images

![Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon) - Image 1](https://m.media-amazon.com/images/I/61WknNEu97L.jpg)

## Frequently Bought Together

- Stone Technologies Corp Silicate Based Hardener Densifier Concrete Sealer X-2 (5 Gallon)
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**Shop now:** [https://www.desertcart.be/products/42911130-silicate-based-hardener-densifier-concrete-sealer-x-2-5-gallon](https://www.desertcart.be/products/42911130-silicate-based-hardener-densifier-concrete-sealer-x-2-5-gallon)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-09-08*