The HUGE Triangle Flat Roof has been developed as a universal PV modules mounting system for flat top or ground installations. The angle can be adjusted by 10-15� ;15-30�,30-60� The innovative aluminum base rails.the special modules,Triangle kit, and the high degree of pre-assembly eliminate the need for onsite cutting welding and enables quick and easy field PV module installations. Mounting includes gi pipes which is non-paintable. Lifetime warranty with wide range of solution.