Agru America's Sure Grip® Concrete Protective Liner Sure Grip® provides an economical and long term corrosion prevention solution for the construction and rehabilitation of concrete containment and transmission systems. Advantages include: 1.Economical solution, 2.Extremely long service life, 3.High back-pressure and pull-out resistance, 4.Very low maintenance, 5.Eliminates exfiltration and infiltration, thereby protecting the environment, 6.High chemical and mechanical resistance. About Agru America, Inc. Since 1988, Georgetown, SC–based Agru America, Inc. has been the world’s leading manufacturer of flat die extrusion geomembranes, geonets, geocomposites, geotextiles, geo clay liners, concrete protective liners and fittings. Agru America also supplies vertical barrier systems and piping systems for the U.S. and international civil/environmental markets. Agru America is part of Alois Gruber GmbH, an Austrian family-owned business since 1948 with production facilities in Austria, the U.S., Germany, China and India, and distribution in over 80 countries worldwide. The company’s website can be found at www.agruamerica.com.