... extruded aluminium 6061/T6(13HW).5) The fabric is double PVC-coated polyester textile. It is high quality at ... steel sandwich wall, ground anchors, anchor puller, weight plate, sidewalls with PVC-clear window, rain gutters, decoration ceilings and inside curtain ... Sizes available (the clear-span width of Double Deck Tent): 10m, 12m, 15m, 16m,18m, 20m, 21m, 25m, 30m, 40m. Double Storey Structure