Sika 2 Water Plug Admixture Is An Extra-Quick-Setting Chloride Free Liquid Waterproofing Admixture That Causes Almost Immediate Setting And Very Rapid Hardening Of Ordinary Portland Cement. Sika - 2 Is Used To Seal Cracks Fissures And Holes In Concrete As Well As Rock Or Masonry Where There Is Water Infiltration. For Example; In Tunnels And Subways Basements Or Cellars Pits And Walls Etc. Sika - 2 Does Not Need Diluting And Is Just Mixed With Ordinary Portland Cement.PTDSIKDIRSK2PLUG5