Sika
SikaTop 501 Seal (Formerly Masterseal 501)
SikaTop 501 Seal (formerly Masterseal 501) waterproofing system ensures a total and permanent solution to water leakage, ingress, or seepage in concrete structures or any cementitious substrate. The formation and development of insoluble crystals into water-bearing capillaries and interstices effectively blocks the further passage of water