Multi Span Greenhouse with Double Layer Design

Multi Span Greenhouse with Double Layer Design Introduction A double-arched greenhouse generally consists of an outer arch frame, an inner arch frame, a light-transmitting greenhouse film, and an insulating greenhouse film. The outer arch frame provides support and protection, while the outer film primarily allows light in and protects against wind and rain. The inner arch frame and inner film are mainly for insulation, and some greenhouses may also be equipped with insulating straw mats or blankets. The frame material is typically galvanized pipe, which offers good corrosion resistance and stability.   Structural Features ① Double-layer frame: This type of greenhouse has two frames, an inner and an outer frame. For example, in a double-arched, double-film greenhouse, the outer frame is covered with a light-transmitting greenhouse film, while the inner frame is covered with a waterproof and insulating greenhouse film and insulating straw mats. Roll-up curtain machines and film rolling…