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​In a nutshell, here's why our colloidal silica Xtreme Hard Concrete Densifier is superior to traditional silicate-based densifiers:

  • Can be applied to newly-placed concrete as soon as it sets, while the concrete is still wet
  • Also performs brilliantly with concrete slabs that are decades old
  • Goes to work quickly, within 1-2 minutes
  • Spray it on the concrete until the surface is saturated & stops soaking up the liquid and agitate; that's the only application step required
  • No working the material into the concrete
  • Xtreme Hard Densifier penetrates more deeply and reacts more  efficiently than traditional concrete densifiers​
  • Just one hour for a thorough reaction and it's ready to polish - No overnight curing
  • No caustic gel to scrub off
  • Nothing to dispose of
  • No whiting potential
  • Ships in concentrated form - Less in shipping costs – Why pay to ship water?

Xtreme Hard's Colloidal Silica Blend is Better than Traditional Silicate-based Concrete Densifiers​

  • Penetrates quickly, deeply, and cleanly into concrete
  • The nano-size particles in Xtreme Hard Densifier are far more reactive than in conventional concrete densifiers
  • The particles form cementation compounds that harden and densify the surface with less wait and less waste
  • Safer and more environmentally friendly than traditional concrete densifiers​

Xtreme Hard Densifier is a green, clean, and safe material

  • Low pH formula (pH approx 8.7, only slightly higher than baking soda)
  • Contains no harsh chemical solvents 
  • Emits no Volatile Organic Compounds (VOCs) 
  • Eliminates the hazardous-material disposal issues of traditional concrete densifiers

A little Xtreme Hard goes a long way…

  • Xtreme Hard Densifier is shipped as a concentrate
  • 1 gallon of concentrate makes 5 gallons of ready-to-use product which will
    ​cover 2,500 Sq/Ft.

Colloidal Silica Concrete Densifier - Lowest Pricing on Xtreme hard!

Xtreme Hard Concrete Densifier:
The Fastest, Easiest, Absolute Best Concrete Densifier on the Planet!

Xtreme Hard Densifier has a
​25 year guarantee!

To order Xtreme Hard Concrete Densifier or any of our Xtreme Line of Products, please click on
​​Purchase Our Products

​For More Information, and for Distributor Pricing and Ordering, Please Call Toll-free at ​1(888) 203-6791.

Xtreme Hard Densifier means increased speed, economy, and density. Combine a great product with significant savings over other densifiers and how can
​you go wrong?!
Our proprietary colloidal silica product is the easiest and most effective densifier on ​the market today!
Unlike all other sellers of concrete densifiers, our concentrated formula means we do not ship water, so your savings on shipping
​will be significant.

Why Xtreme Hard Concrete Densifier is Superior to Traditional Concrete Densifiers