For all greenhouse models. You can choose to open at the gutter, at mid-roof or at the ridge. Can be sold with manual opening, automatic opening or connected to a computer control system.

For all greenhouse models. Optionally, opening up to a height of 24′. Crank system with different ratios (10-1, 5-1, 3-1). Also available with automatic opening or linked to a computer system. Heavy-duty opening side braces made of 1″ and 1¼ ” round tubing.