Building an Orion involves a base stage and seven assembly steps, with two people and a square, level base. You need screwdrivers, 10 mm spanners, a tape measure and a spirit level. The Orion has curved acrylic-glazed eaves, one sliding door and one roof vent.
0Prepare a square, level base before you start the frame.
1Build both side frames flat on the ground, with the bolts loose.
2Assemble the plain back gable flat on the ground, with the bolts loose.
3Assemble the door gable flat on the ground, with the bolts loose.
4Join the frames, stand them on the base, square the greenhouse, then tighten the bolts.
5Build the sliding door, hang it and adjust it until it slides freely.
6Build and fit the single roof vent.
7Fit the glazing seal, curved acrylic eave sheets and glass.
Use our full step-by-step guide for every size on this website, or choose professional installation from Greenhouse Stores.