Costar Top 10 Costar Top 10 is a clear sodium silicate based solution which chemically reacts with soft free lime and calcium carbonate compounds in concrete to densify and create chemically resistant surfaces. It is used to cure, harden and seal fresh or hardened concrete. Download Datasheet
Costar Top 20 Costar Top 20 is a low VOC lithium silicate based solution used to densify, harden, seal and protect fresh or hardened concrete. Download Datasheet