These products are intended for moderate to steep slopes and moderate to high load applications, where increased internal shear strength is required. A 19-ft width means fewer rolls to handle and a 20% reduction in seams. One truckload essentially covers .75 of an acre. It is hydraulically superior to several feet of 1 x 10-7 cm per second compacted clay, according to the manufacturer. The sodium bentonite is natural and self-healing. The Agru GCL is great for mining leach pads, tailing impoundments and reclamation, and pond and lagoon application, according to the company.