Concria Polish Hard XL polished concrete floor

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. Because colloidal silica penetrates deep into concrete surfaces. As a result, it chemically reacts with more of the concrete matrix producing an extremely dense and durable concrete floor.

Concria Polish Hard XL is the latest technology concrete densifier, fine-tuned to make the polished concrete professional’s life a lot easier. How? It reacts with the concrete very fast and penetrates deep into the slab. Keep it wet for 20 minutes, remove excess, if any, and leave to cure. Next, when the concrete surface is dry, you can start polishing. No cleaning required! As a result, you have no long waiting time for the densifier to cure either.

Eliminating the clean up with water, required with other densifiers, saves a lot of time and hassle. What is more, you avoid ending up with a wet floor!

Because you chose Polish Hard XL you can create the best concrete floor finish available! And you do it better and faster compared with other densifiers. 



  • 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 polished concrete surfaces.

Order now for Huge discount on 100L orders.

Polish Hard XL is a pure nano Silica densifier for concrete surfaces. Because of its nanoparticles, it penetrates deeper and faster into the concrete with a very short reaction time compared to other concrete densifier products.

Thus our colloidal concrete hardener creates dense, hard and dustproof concrete surfaces. And it creates the perfect base for top-class Polished concrete floors. Also, it does not require cleaning after application, saving you valuable time. Very economical usage. No1Equal! 

Packaging 20L, prices exclude VAT and Delivery!

Special offer until stock is sold: buy 5 x 20 liter and get a 25 percent or 244.00 Euro discount!!

195.00731.00 Ex. VAT

Concria Concrete Hardener Densifier