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🛡️ Seal smart, protect longer—your concrete’s invisible armor!
Siloxa-Tek 8500 Ultra Concentrate is a DOT-approved, water-based silane/siloxane penetrating sealer that offers 6x higher active ingredient concentration for superior water, salt, and weather resistance. Designed for concrete, brick, masonry, and stone, it maintains natural surface appearance while providing up to 10 years of protection against cracking, spalling, and freeze-thaw damage. Its UV stable, breathable, and non-film forming formula ensures long-lasting, invisible defense suitable for both commercial and residential applications.









| ASIN | B01MQX8QOH |
| Best Sellers Rank | #46,988 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #173 in Hardware Sealers |
| Brand Name | Ghostshield |
| Color | clear |
| Compatible Material | Stone |
| Customer Reviews | 4.6 4.6 out of 5 stars (447) |
| Global Trade Identification Number | 00855849005163 |
| Item Dimensions | 6 x 4 x 10 inches |
| Item Form | Liquid |
| Item Type Name | Penetrating Concrete Sealer, Water Repellent & Salt Repellent |
| Item Weight | 8.7 pounds |
| Manufacturer | Kretetek Industries Inc. |
| Material Type | Silane/Siloxane |
| Model | 8500 Ultra Concentrate |
| Number of Items | 1 |
| Part Number | 8500UC |
| Style Name | Siloxa-Tek 8500 Ultra Concentrate |
| Supported Standards | DOT |
| Surface Recommendation | Concrete, Brick, Masonry, Stone |
| UPC | 855849005163 |
| Unit Count | 128 Fluid Ounces |
| Water Resistance Level | Waterproof |
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