Siloxa-Tek® 8500 - 1 Gallon (Ready to Use)

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  • Regular price $108.30
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An industrial-grade, water-based, silane/siloxane penetrating concrete sealer engineered to reduce water & moisture intrusion while protecting concrete brick & masonry from chlorides and salts.

  • COVERAGE: Up to 250 square feet

  • COATS: 2

  • VOC CONTENT: 90 g/L

  • FINISH: Natural

  • CONCENTRATED: Ready-to-use 

  • WARRANTY: 100 Year Warranty


Siloxa-Tek 8500 is our favorite concrete sealer to treat nearly any application. A proprietary blend of silane/siloxanes, this clear penetrating concrete sealer not only prevents deicing salt, chloride and freeze-thaw damage, but its hydrophobic nature resists moisture intrusion and vapor transmission. It dries completely clear with a natural finish that will not change the look or appearance of the susbtrate. This is the go to choice to seal any concrete, brick, or masonry based substrate especially driveways, basements, patios and garages.


Exceptional when used for:

  • Applications: Driveways/sidewalks, patios, pool decks, garages, chimneys, roof tiles and more
  • Substrates: Concrete, concrete blocks/cinderblocks, brick, pavers, exposed aggregate, stucco, stone, slate, sandstone
  • For enhanced performance on horizontal concrete surfaces use a densifying primer, wait 7 days and then apply the Siloxa-Tek 8500


  • What it is: Penetrating, water-based, water, salt and chloride resistant concrete sealer
  • What it's for: Concrete driveways, garages, basements, patios, pool decks, brick, stone & masonry
  • What it does: Waterproofs and seals concrete & masonry while resisting deicing salts and chlorides
  • What it's made of: Water-carried silanes and siloxanes
  • What's the finish/color: Clear, flat, natural
  • How do you apply it?: Sprayer, roller, brush
  • What's so special about it: Available in a concentrated or ready to use formulation this product resists deicing salts and chlorides while waterproofing concrete
  • What else is like it?: Siloxa-Tek 8505: Resists water, deicing salts and makes stains easier to clean. Siloxa-Tek 8510: Higher performing solvent-carried version of the 8505