Xtreme Hard Concrete Densifier is a colloidal silica-based densifying agent. Spray it on the concrete until surface is saturated, then agitate with a soft bristle broom. Xtreme Hard Concrete Densifier is a green, clean, and safe material. It has a low PH formula (approx 8.7) is safe for you to handle and emits no volatile organic compounds (VOC’s). The improved Nano Technology formula penetrates deeper into the concrete, giving you harder dense concrete. Xtreme Hard is the lowest cost concrete densifier on the market!
- Ratio: Mix 1 part product to 4 parts potable water.
- Coverage: 400-600 Sq Ft per gallon.