Tunnels

Single tunnel greenhouses are one of the simplest greenhouse structures; it consists of arcs that are directly fixed to the ground using special crosses. Crops support bar is fixed to the arcs , arcs are fixed together using longitudinal berlins, on the front and back ends of the greenhouse, wind support brackets are installed. Single tunnels are usually covered with polyethylene, single tunnel area varies according to application and number of arcs. Area could be up to around 500 meter square for 24 arcs tunnel, big and/or small doors can be added to the single tunnel greenhouse, natural side ventilation mechanism can be used in a single tunnel greenhouse.