Two people need screwdrivers, 10 mm spanners, tape measure, spirit level and a square, level base. Build frames flat on the ground, bolts loose; square on the base, then tighten. Saturn has polycarbonate-glazed curved eaves, a double sliding door and one, two or four roof vents depending on size.
0Prepare a square, level base before you assemble the frame.
1Build both side frames flat on the ground and leave the bolts loose.
2Build the plain back gable flat on the ground.
3Build the front gable with its door runner bars.
4Join and raise the frame together, square it on the base, then tighten the bolts.
5RBuild and hang the right-hand sliding door.
5LBuild and hang the left-hand sliding door, then adjust both until they slide freely.
6Build and fit the roof vents supplied for your greenhouse size.
7AUse glazing layout A only if it matches your supplied glass.
7BUse glazing layout B only if it matches your supplied glass.
Use our full assembly guide for every size on this website, or choose professional installation from Greenhouse Stores.