(11 customer reviews)


16 oz Sample: $39.88 (samples are not returnable)

1 Gallon: $119.88

5 Gallon Bucket: $599.40 ON SALE NOW: $549.88



An industrial-grade, solvent-based, silane/siloxane sealer, Siloxa-Tek 8510 is engineered to reduce water and moisture intrusion, protect concrete from deicing salts and chloride-ion ingress, and resist staining from oil and fluids. This penetrating sealer dries clear and is an ideal choice to seal concrete, brick, or masonry driveways, garages and patios. Penetrates deeper, lasts longer and provides better stain resistance than the Siloxa-Tek 8505.


1 Gallon Ready to Use: Up to 150 sq. ft. (including both coats, two coats are recommended)

5 Gallon Bucket: Up to 750 sq. ft (including both coats, two coats are recommended)


  • Resists stains from oils, grease
  • Reduces deicing salt damage, spalling and cracking
  • Reduces freeze-thaw cycle damage
  • Reduces mold and mildew growth
  • Prevents efflorescence
  • Reduces moisture intrusion and water ingress
  • No appearance change to the concrete, dries clear
  • Excellent water beading
  • Easy to apply
  • No odor
  • Will never yellow, fade, peel, crack or bubble


Driveways/sidewalks, basements, patios, pool decks, garages, chimneys, roof tiles and more. Also used for in commercial, industrial & retail concrete floors and slabs, stadiums, plazas, food courts, parking garages and machine shops.


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

For enhanced performance on horizontal surfaces use a densifying primer, wait 7 days and then apply the Siloxa-Tek 8510.


  • Feature: Water, salt, oil & stain repellent
  • Chemistry: Modified Silane/Siloxane
  • Color: Clear
  • Finish: Invisible
  • Category: Penetrating
  • Packaging: 1 Gallon Ready to Use, 5 Gallon Bucket Ready to Use
  • Interior/Exterior: Interior/Exterior
  • Application Method: Roller, solvent rated sprayer, brush
  • Application Temperature: 35 F – 95 F
  • Number of Coats: 2 (wet-on-wet)
  • 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: Mineral Spirits
  • Paintable: No

For complete Siloxa-Tek 8510 application, SDS Sheets, FAQ’s, testing and technical data visit

Have an application question, help figuring out the right product for your application or need help calculating your square footage? Give us a call 888-230-5569 or email us:

Additional information

Weight10 lbs

16 oz Sample $39.88, 1 Gallon $119.88, 5 Gallon Bucket $549.88

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