... 5.5mmain aluminum alloy profile:203x112x4mm 6061/T6roof cover:Double face PVC composite 1000D fiber fabric flame ... Double swing glass door units 6)transparent pvc cover and sidewall 7)sandwich panel 8)flooring ... a practical option in winter.5.Safety: The outer cover are made from flame-retardant PVC ,UV stabilized, ... of space: Frames can be joined together to cover large areas, fit L-shaped gardens or ...