The present invention relates to a double greenhouse for culturing various crops. Provided is an insulation pad apparatus for a double greenhouse to construct the double green house. The apparatus comprises: an insulating material layer which maintains a space between double sheet layers overlapped on a steel frame at regular intervals, and in which an upper side is made of an insulating material tightly maintained on an upper sheet layer and a fixing means which is located in a lower part of the insulating material layer, and integrally fixing and maintaining the insulating material layer along the frame. According to the present invention, as the insulating material layer can perfectly block a flow of air between the sheet layers, the double greenhouse of the present invention can effectively prevent a dust accumulation and a dew formation phenomenon in an air layer between the double sheet layers, and significantly increase an insulation effect of the double greenhouse. In addition, the insulating material layer of the insulation pad apparatus can effectively prevent a thermal bridge phenomenon between a frame of a steel pipe and the upper sheet layer due to a high insulation factor. Therefore, the double greenhouse of the present invention can prevent a heat leakage as a direct heat conduction phenomenon, connected to the upper sheet layer from the frame of the existing same steel pipe, is blocked. Accordingly, the insulation effect inside the greenhouse can be more excellently maintained, heating costs can be significantly reduced in winter season, and the double greenhouse can be quickly installed with low installation investment costs.COPYRIGHT KIPO 2016본 발명은 각종 농작물의 재배를 위한 이중 온실에 관한 것으로, 철재 프레임상에 중첩 설치되는 이중 시트층 사이에서 그 사이 공간을 일정 간격으로 유지시키고, 상부면이 상부 시트층에 밀착 유지되는 단열재료로 이루어진 단열재층, 및 상기 단열재층의 하부에 위치되어 상기 단열재층을 상기 프레임을 따라서 일체로 고정 유지시키는 고정수단을 포함하여 이중 온실을 시공하도록 구성된 이중 온실용 단열패드 장치를 제공한다.본 발명에 의하면, 단열재층이 시트층 사이에서 공기 흐름을 완벽하게 차단시킬 수 있음으로써 이중 시트층간의 공기층에서 먼지누적 및 이슬 맺힘 현
