---
product_id: 23253503
title: "Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener"
brand: "ghostshield"
price: "€ 197.00"
currency: EUR
in_stock: true
reviews_count: 8
category: "Ghostshield"
url: https://www.desertcart.fi/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener
store_origin: FI
region: Finland
---

# Water-based formula Concentrated - makes 5 gallons Strengthens concrete by 50% Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener

**Brand:** ghostshield
**Price:** € 197.00
**Availability:** ✅ In Stock

## Summary

> 🛠️ Harden your concrete, elevate your space — don’t get left behind!

## Quick Answers

- **What is this?** Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener by ghostshield
- **How much does it cost?** € 197.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener)

## Best For

- ghostshield enthusiasts

## Why This Product

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

## Key Features

- • **Maximized Value:** Concentrated formula yields 5 gallons of powerhouse protection
- • **Invisible Protection:** No change in appearance, just pure performance
- • **Eco-Conscious Formula:** Low VOCs for safer, greener projects
- • **Industrial-Grade Performance:** Professional strength for lasting concrete durability
- • **Boost Concrete Strength by 50%:** Transform your surfaces with unmatched hardness

## Overview

Sila-Tek 3500-1 Gallon is a water-based, sodium densifier designed to penetrate and harden concrete surfaces, increasing strength by up to 50% and enhancing abrasion resistance without altering appearance. Its low VOC formula is industrial-grade yet eco-conscious, and its concentrated nature yields 5 gallons of high-performance concrete protection.

## Description

Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - desertcart.com

Review: Great stuff - Works like it should!
Review: Worked well - It did its job and the piece came out great

## Features

- An industrial-grade, water-based, sodium densifier for use as a stand-alone product or as a primer to strengthen and harden concrete.
- Strengthens concrete up to 50%, Increases abrasion resistance
- No change in appearance, Low VOCs
- Concentrated Makes 5 Gallons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00H6QK3UI |
| Best Sellers Rank | #696,635 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,493 in Hardware Sealers |
| Brand | Ghostshield |
| Color | Clear |
| Date First Available | December 8, 2013 |
| Global Trade Identification Number | 00855849005019 |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item model number | 3500 |
| Manufacturer | Kretetek Industries |
| Material | Sodium-Based Densifier |
| Number of Items | 1 |
| Style | Industrial |
| Surface Recommendation | Concrete |
| Unit Count | 128.0 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Ghostshield
- **Item Form:** Liquid
- **Material:** Sodium-Based Densifier
- **Style:** Industrial
- **Water Resistance Level:** Water Resistant

## Images

![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 1](https://m.media-amazon.com/images/I/41+Y5HpUIvL.jpg)
![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 2](https://m.media-amazon.com/images/I/41yrzBQ2SkL.jpg)
![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 3](https://m.media-amazon.com/images/I/517eSKU0c0L.jpg)
![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 4](https://m.media-amazon.com/images/I/51I9+rD4nDL.jpg)
![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 5](https://m.media-amazon.com/images/I/51VpkiHLtAL.jpg)

## Questions & Answers

**Q: Can you tell me about the odor, and how long does any odor linger?**
A: No noticeable odor when using this product outside

**Q: I have a dusting problem. i will grind the floors and then can i apply sila-tek 3500 to my garage floor and then coat the floor with an epoxy?**
A: Wet grind and have no dust

**Q: can i use this product on river rock?**
A: It penetrates into the cement, so I don't know how it would work on rock.

**Q: Will this work to harden mortar?**
A: Specifically designed for concrete only

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great stuff
*by A***R on February 20, 2025*

Works like it should!

### ⭐⭐⭐⭐⭐ Worked well
*by A***M on February 4, 2023*

It did its job and the piece came out great

### ⭐ Salt Crystallization Issues
*by A***D on August 26, 2025*

I ran into quite a few issues with this product. Before purchasing, I called the company to better understand it and was assured this was what I needed, with no reservations mentioned, so I went ahead and applied it. Unfortunately, salt crystals formed on about 40% of my square footage, something that apparently happens when the product reacts with salt in the concrete. I was not made aware this was a possibility when I asked about the pros and cons, and I’ve since spent hours brushing and sanding away the salt before I could seal the concrete. If left, the salt prevents proper adhesion of top coats. Despite doing research, I did not know enough to avoid this issue and wish I had gone a different route. Where salt crystallization did not occur, the product seems to have worked well. However, I would not recommend it for amateurs like myself who only take on concrete home repairs occasionally and don’t have a deep understanding of concrete’s salt properties.

## Frequently Bought Together

- Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener
- Siloxa-Tek 8505 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water, Salt & Oil Repellent
- Siloxa-Tek 8500 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent. Clear, Water-Based DOT Approved Silane/Siloxane for Concrete, Brick, Masonry & Pavers

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**Shop now:** [https://www.desertcart.fi/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener](https://www.desertcart.fi/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-30*