Gator Grid GG 20-20 Biaxial is a leno weave polyester geogrid with high strength, high modulus and low shrinkage twisting industrial polyester fiber as raw material. It is coated with high quality PVC which gives full play of mechanical property. Gator Grid GG 20-20, a biaxial geogrid, provides strength, longevity, excellent stress transfer and prevents failure to the internal structure of your staircases, patios, landing areas, retaining walls and steep slopes. As a biaxial geogrid, Gator Grid GG 20-20 has a high molecular weight as well as high-tenacity polyester yarns.