Greenhouse construction provided with special ridge for ventilation

摘要

A greenhouse construction is provided for support against a supporting structure such as a house. The greenhouse construction comprises a glazing structure consisting of glazing and glazing bars. There is also provided a ridge which supports the glazing structure against, but spaces the same from the supporting structure. The ridge includes openings respectively opening into an enclosure defined by the glazing structure and into ambient atmosphere and there is also provided a blower which exhausts air from the enclosure and expels it into ambient atmosphere via one of the aforesaid openings. The ridge is provided in the form of a plurality of channels, one of which has a face adapted for abutting against the supporting structure and defining a pocket for receiving the glazing bars. Another of the channels is supported on the channel with the aforesaid pocket and this additional channel is provided with its own pocket for supporting a flashing structure. Still another of the channels is supported in suspended relationship from the channel which supports the flashing structure and finds still another pocket wherein is accommodated the glazing. Yet another channel is supported in suspended relationship and defines with the first said channel an opening which is the opening through which communication is made with the enclosure defined by the glazing structure.