TOUGH CELL

Non-metallic building materials, namely, three-dimensional polymeric cellular confinement systems used for road bases, for ground support, for prevention of ground erosion, and for reinforcing of materials used in building and construction consisting primarily of sand, gravel, soil, recycled concrete, and recycled asphalt; webbing used for road bases, for ground support, for prevention of ground erosion, and for reinforcing of materials used in building and construction consisting primarily of sand, gravel, soil, recycled concrete, and recycled asphalt; and sheets used for road bases, for ground support, for prevention of ground erosion, and for reinforcing of materials used in building and construction consisting primarily of sand, gravel, soil, recycled concrete, and recycled asphalt