Cure Hard Green Conscious Product

Sodium silicate cure & dustproofer

Cure Hard is a clear, water-based concrete cure, hardener, and dustproofer. This product deeply penetrates concrete surfaces to densify, seal, harden, and dustproof, enhancing their abrasion resistance without altering the natural appearance. Cure Hard is also conducive to contributing to LEED credits.

  • Economical and Ready-to-Use: Convenient for immediate application.
  • Preserves Appearance: Does not alter the natural color of concrete or aggregate.
  • Safe and Environmentally Friendly: Non-flammable, odorless, and has an actual VOC content of 0g/l.
  • Protective: Helps seal concrete against acids, oils, greases, salts, and tire marks.
  • Compatible: Does not inhibit the adhesion of secondary toppings, adhesives, or coatings intended for concrete.

Tech Sheet
Safety Sheet
Spanish Tech Sheet


  • Surface Preparation: Apply to clean, structurally sound surfaces free of water, laitance, and contaminants. For aged concrete, ensure surfaces are free of dirt and dry to maximize penetration.
  • Coverage Rates:
    • Hard Troweled Finish: 300-500 sq ft/gal
    • Broom or Float Finish: 200-400 sq ft/gal
    • Rough Finish: 200-300 sq ft/gal
    • Aged Concrete: 200-300 sq ft/gal
    • Vertical Surfaces: 200-300 sq ft/gal
  • Application: Can be applied with a sprayer, brush, or roller, immediately after final finishing operations once bleed water has receded. Ensure the surface does not pond or puddle. Use in temperatures from 40°F to 100°F.
  • Additional Applications: Apply immediately or up to 24 hours before installation of underlayment toppings. Reapply if exceeding 24 hours or if the continuous film is compromised.


  • Available in 55-gallon drums and 5-gallon pails.

Shelf Life

  • Store in the original tightly closed containers in a cool, dry place. The shelf life is two years from the date of manufacture.