KreteTek Ghostshield Siloxa-Tek 8500 Water & Salt Repellent Concrete/Masonry Sealer


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Industrial grade silane/siloxane blend

Note: New concrete must be cured 28 days

For concrete blocks, cinderblocks, driveways, sidewalks, parking lots, roof tiles, and exposed aggregate concrete

Department of Transportation approved

Freeze-thaw/de-icing salt resistant

Makes oil and grease easier to remove from treated surfaces decreasing maintenance

Protection against micro-organism growth; Reduces dirt pick-up

Hydrophobic barrier prevents future penetration of water and soluble aggressive agents through a crack

UV Resistant; Low VOCs

Reconstitute 4 parts water to 1 part Siloxa-Tek 8505 Concentrate; Coverage 1250 sq ft per coat, 2 coats required


KreteTek Ghostshield Siloxa-Tek 8500 is an advanced, high performance, industrial strength water based concrete/masonry water repellent solution that is designed to reduce water and moisture intrusion. Approved by the Department of Transportation, protecting a wide variety of mineral substrates including architectural concrete, concrete block, splitface block, pavers, stucco, porous and dense brick, clay tile, exposed aggregate concrete, sandstone, and slate, KreteTek's unique formula incorporates leading molecular nanotechnology; putting an end to water and moisture migration through any porous cementitious substrate. KreteTek Ghostsheild Siloxa-Tek 8500 is an uniquely transparent, blended formula with added enzymes and surfactants that aide in accelerating a penetrating disbursement. Thus eliciting a more effective, uniformed chemical reaction between KreteTek's formula and the concrete / masonry substrate it's being applied to. Surpassing anything else on the market the Siloxa-Tek 8500 provides a hydrophobic barrier beneath the surface and seals out moisture while remaining highly vapor permeable and chemically bonding with the substrate. The treated surfaces will show no change in visual appearance from application and the surface that will not chip, flake, delaminate or breakdown with UV light exposure.

KreteTek Ghostshield Siloxa-Tek 8500 meets or exceeds the following industry standards:

ASTM E514: Standard Test Method for Water Penetration and Leakage Through Masonry ASTM C672: Standard Test Method for Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals NCHRP 244: (86.75, 81.88, 85.00) DOT: Department of Transportation Approved EPA: Contributes to USGBC LEED Points Note: Cannot ship to HI or AK


Manufacturer KreteTek
Brand KreteTek
Sub Brand Ghostshield
Application Temperature Limits 45 to 90 Degrees F
Base Water Based Silane/Siloxane Water Repellent
Certifications Department of Transportation Approved
Coverage (Square Feet) 1250
Finish Natural
Package Quantity 1
Recommended Use 2 Coats Wet-on-Wet
Returnable Yes
Storage Twelve months in an unopened container when stored between 50-80 degrees F
V.O.C 90 g/L
Warranty 100 Year
Quick ID Q857
UPC 855849005163


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