Frame: hard extruded aluminium alloy Fabric: double PVC coated polyester textile, UV resistant, waterproof, fire resistant 1,The clear-span is from3-30m 2,The length will be from 3m to no limited3,Frame use hard pressed extruded aluminium 6061 /T6(13HW)4,The fabric is double PVC coated polyester textile. It is high quality at waterproof, flame retardant to DIN4102 B1,M2,U V resistant.(650-1200g/ ...