Ghostshield Siloxa-Tek 8500 Concrete Sealer


An industrial-grade, water-based, silane/siloxane engineered to reduce water and moisture intrusion, while protecting concrete or masonry substrates from chlorides and deicing salts.

Additional Shipping Charges Apply for Orders to Alaska & Hawaii

16 oz Sample
Gallon Ultra Concentrate


Product Description

Ghostshield Siloxa-Tek 8500 Concrete Sealer is our favorite product to treat nearly any application. A proprietary blend of silane/siloxanes, this clear penetrating sealer not only prevents deicing salt and freeze-thaw damage, but its hydrophobic nature resists moisture intrusion and vapor transmission. This is the go to choice to seal any concrete, brick, or masonry based substrate especially driveways, basements, patios and garages.


  • 1 Gallon Coverage: Up to 125 sq. ft. (including both coats)
  • 1 Gallon Concentrate Coverage: Up to 625 sq. ft. (including both coats)
  • (1 Gallon Concentrate mixes with 4 gallons of water to make 5 gallons)

Applications: Driveways/sidewalks, patios, pool decks, garages, chimneys, roof tiles

Substrates: Concrete, concrete blocks/cinderblocks, brick, pavers, exposed aggregate, stucco, stone, slate, sandstone


  • Feature: Water & salt repellent
  • Chemistry: Silane/Siloxane
  • Color: Clear
  • Finish: Invisible
  • Category: Penetrating
  • Carrier: Water
  • Availability: Ready to Use or Ultra Concentrate: Makes 5 Gallons
  • Packaging: 1 Gallon, 1 Gallon Concentrate
  • Reconstitution Ratio: Ultra Concentrate: 1 part sealer : 4 parts water
  • Interior/Exterior: Interior/Exterior
  • Application Method: Sprayer, Roller
  • Application Temperature: 45 F – 90 F
  • Number of Coats: 2
  • Time Between Coats: 5 Minutes
  • Drying Time (dry to touch): 6 Hours
  • Drying time (full cure): 24 Hours
  • Time before/after rain: 48 Hours
  • New Concrete: Yes, at least 28 days after being poured
  • Storage/Shelf Life: 1 Year
  • Clean up: Soap/water
  • Paintable: Yes, oil or enamel based paint, first test for compatibility
  • VOC Content: 90 g/L

For complete Ghostshield Siloxa-Tek 8500 Concrete Sealer application, SDS Sheets, FAQ’s, testing and technical data visit

Additional information

Weight4.5 kg
Dimensions8 × 8 × 8 cm

16 oz Sample, Gallon, Gallon Ultra Concentrate