CWEI - Concrete Waterproofing Experts International can address your water issues now, once and for all, with our guaranteed and permanent solution. The unique combination of resins and stabilizers combine to make a versatile gel. Our gel never fully hardens and works best when water is present. Waster Water Plants, Parking Garages, Tunnels, Pits and Dams have all utilized our technology. 972-203-3003 Mathew Joseph, P.E. (Lic. # 78695) (Texas)