The original trenchless technology, chemical grout, is also complimentary to all other technologies. What do we mean be that? CIPP lining and protective coating are important technologies to sustaining our underground infrastructure. To realize maximum value of these structural repairs, active leaks must be stopped first. View this 3-minute, Cole Publishing interview with Don Rigby on how chemical grout stops leaks and provides an infiltration-free environment in manholes, mainlines, and laterals so structural repairs can realize their full life-expectancy.