Consolideck LS Guard is a lithium silicate hardener, densifier, and sealer for concrete floors that penetrates deeply to provide superior strength. Because of its penetrability, there's little or no need to rinse residue off. Application is easy. No scrubbing is needed to work the hardener into concrete pores. Its polymeric component provides a durable, protective shine immediately upon drying. Prosoco Inc. 800-255-4255.