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Multi-Span Film Greenhouse - Venting and Shading
Multi-span film greenhouse with roof and side vents, shading and insulation options, built on a hot dip galvanized frame for year round growing. .
TEL：+86 191 5068 3942
  • Features
 
Multi-span film greenhouses with side cooling louvres along a concrete apron
Inside a wide-span film house, low green crops in ground beds with the steel frame overhead
 

Multi-Span Film Greenhouse:


A multi-span greenhouse has a high utilization of land, a high degree of mechanization indoors, lower energy consumption per unit of area and uniform temperature and light. The main structure is steel and aluminum, and the film covering can be single or double inflatable, while hard materials such as PC board, wave board and glass can also be used where the project calls for them.


Advantages:


Simple and effective solution for varied and complex topographic conditions:

The structure uses hot dip galvanized pipe to avoid rust.
· Frame of hot dip galvanized steel pipe.
· Span of 6.4 / 8 / 9.6 / 10 meters is available.
· Total structure height - 4.3 meters to 6.5 meters.
· Covering material thickness - 0.15 mm or 0.12 mm.
· Good at keeping warm.
· Arch roof.
· May only be covered by polyethylene held with aluminum clips.
· Suitable for all climate conditions and adaptable to any type of landscape.

Ventilation and Temperature Control:


In the middle of the day, when the indoor temperature is high, the roof windows are opened and the shading works with the house effect; the side windows and the shading then carry the house through the high temperature period, which reaches effective cooling. When the night temperature runs low, the top of the greenhouse is closed and the interior insulation system is brought in, so the house keeps its insulation performance. Where the site needs more than vents can give, a cooling and heating system, a cooling and shading accessories set and an irrigation system can be specified with the structure.

What the House Gives the Grower:


1. The use of space:
Compared with a conventional greenhouse, the usable area in the multi-span house is much larger than in the traditional one.

2. Management:
Management is more unified than in a traditional greenhouse, the operation is more scientific, and it saves time and improves efficiency.

3. Optional systems:
Cooling and heating, irrigation and fertilizing, ventilation, shading and benches can all be added to the house, depending on the customer request.
 

Why us:


The house comes from our own production line, with 35 years of greenhouse production history, more than 180,000 square meters of production space and 378 employees, and projects delivered in over 32 countries. Read our greenhouse factory page for how the houses are built. If you want to know more, please send an E-mail to sales@cngreenhouses.com, or call +86 191 5068 3942.

Information on ventilation and climate control in covered crops is published by organisations such as the FAO, and commercial greenhouse practice is reported by trade media such as HortiDaily.
 

Frequently Asked Questions:

Q: Do you produce the greenhouses yourself, or outsource the production?
A: We are a manufacturer, not a trading company. Ziyang Bozong Greenhouse Industry Co., Ltd has been producing greenhouses in our own factory for over 35 years, with 180,000 square meters of production space and 378 employees.
Q: Which countries do you export to?
A: We export to more than 32 countries, including Russia, the UAE, Kuwait, Nicaragua, Canada, Chile, South Africa and Uzbekistan. We ship worldwide.
Q: How do I get a price for a complete greenhouse project?
A: Tell us the quantity you need and the crops you plan to grow, along with your local conditions such as temperature range and average wind speed. With that information we can recommend a suitable system and send you an accurate quotation.
Q: How does the house cool down in summer?
A: The roof windows are opened when the indoor temperature rises, and the shading works with the house effect; the side windows and the shading carry the house through the hottest part of the day. Where more is needed, a cooling system can be specified with the structure.
Q: How is the temperature held overnight?
A: When the night temperature runs low the top of the greenhouse is closed and the interior insulation system is brought in, so the house keeps its insulation performance.
Q: What covering options are there?
A: Single or double inflatable plastic film of 0.15 mm or 0.12 mm, held with aluminum clips; PC board, wave board and glass are the hard covering options.

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