Concrete Hardener Densifier Polish Hard XL the advanced nano silica densifier

Concrete Hardener Densifier Polish Hard XL is the Ultimate Nano Silica Densifier, hardener and dust proofer. The colloidal silica penetrates deep into concrete surfaces and chemically reacts with the concrete matrix producing an extremely dense and durable concrete floor.

Using Polish Hard together with the Fast Floor polishing system from Concria you will create the best concrete floor finish available!



  • Reduces concrete dusting creating safer work and living environments
  • The hardening and dust-proofing process is extremely fast, outperforming other Densifiers. No need to wait 12 hours or more until the chemical process is complete.
  • Provides better abrasion resistance than conventional hardeners



  • Easy, one-step application. No scrubbing or rinsing is needed saving on time and labour cost.
  • No scrubbing. No flushing. No caustic wastewater.
  • Apply to broom finished, steel trowel or power trowel or burnished concrete finishes.


Polish Hard XL concrete hardener helps to save the earth’s environment

  • Contributes to LEED®points
  • Water-based, no VOCs


  • A floor that has been ground polished and treated with the Polish Hard densifier will be easy to clean and maintain because it created a dense and smooth surface that is difficult for dirt to stick to.

Concrete Hardener Densifier Polish Hard XL is your best option for problem-free concrete surfaces.

Concria Polish Hard XL polished concrete floor
Concria Concrete Hardener Densifier

The Polish Hard XL is a pure nano Silica densifier for existing concrete surfaces. It penetrates deeply into the concrete and has the fastest reaction time compared to other concrete hardeners. The colloidal concrete hardener creates dense, hard and dustproof concrete surfaces. It creates the perfect base for top class Polished concrete floors. It does not require cleaning after application, saving valuable time. No1Equal!

Packaging 20L, price excludes VAT and Delivery!

198.00 Ex. VAT

Available on backorder