Concrete densifier

Concrete densifier is a chemical treatment applied to concrete surfaces to fill pores, increase density, and enhance surface performance. By reacting with free lime and calcium hydroxide in the concrete, densifiers create additional cementitious compounds that strengthen the surface. This process reduces dusting, increases abrasion resistance, and improves chemical durability—both for polished and non-polished concrete applications.

While the Ashford Formula, a sodium silicate-based densifier developed in the mid-20th century, was an early example in the category, it is no longer representative of the range of technologies available. More recent formulations—such as lithium silicate products like SINAK LithoHard—offer improved performance, simplified application, and enhanced environmental compatibility.

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