fixed roof, good ventilation, suitable for hot areas, like Africa, Middle-Ease, S 1.Structure 1) Greenhouse built by hot galvanized steel pipe, is composed of column, arch, purline, lattice bar, gutter and door 2) Column will be 38 x1.5mm pipe (1.2inch x 60mil), bigger pipe available3) Arch / Purline / Lattice Bar will be 32x1.5mm pipe (1 inch x 60mil)4) Gutter and 110mm PVC pipe are offered to ...