For optimal use of terraces, Gergy Daccache and Sons is producing bitunnel greenhouses with high standards. Those greenhouses optimize the covered area by the absence of interval between tunnels.

The frame is made of galvanized steel tubes sendzimir minimum 200g/m2 in accordance with the requirements of DIN 17162.The galvanized tubes have a diameter of 60, 55, 32, and 27mm with a thickness of 1.50 mm or 1.80 mm.No welding is used. The middle post tubes are anchored at 50cm depth in soil by concrete foundation; therefore providing a robust structure against wind.

Gergy Daccache and Sons Tunnels and Bitunnels are subjects to many options in order to maximize the productivity of the greenhouses.- Vertical side- Top openings (only for bitunnels) - Side openings- mechanical or motorized openings- Double doors- Shading systems- Cooling and heating- Overheat sprinklers- Cover: polyethylene, fiber and polycarbonate sheets.