Double Layer Film Greenhouse For Cold Area

Double layer film greenhouse for cold area, why to say is for cold area? because this film greenhouse have double frame covering double film,, there are have air middle of the double film, so have good keep warm ability. this is kind of greenhouse widely use in cold region. 

Design principle:

1) hot dip galvanized round tube , inner frame use smaller one always choose diamter 32mm, outside frame use bigger round tupe , diameter 42mm

2) covering is PO film with UV and anti drop, anti frog,  inner layer film use 100 micron,  outside use 150 micron film

3) all greenhouse connection use connection parts, don't weld, so it is easy for installation to save install cost

4) In order to keep cool in greenhouse in summer, there are cooling fan and water curtain for choose according to the local temperature and humidity conditions, 

5) Always have side wall ventilation to let the fresh air into the greenhouse inside, manual or electrical rollers for optional choose. 

Following some picture for your good understand this kind of double layer film greenhouses, if you want to know more details, please contact us.