Factory Supply Polycarbonate sheet covering Greenhouse Multi-span Greenhouses Agricultural Greenhouses

Short Description:

It is half the weight of glass, yet has 200 times its impact resistance. It is flexible to be moulded as required, yet sturdy to form a strong roof. It can bring in maximum sunlight, yet blocking all of the harmful UV radiation. It is resistant to fire, chemicals, and all kinds of climates. It is available in a variety of colour and textures, thus making the roof visually appealing.

Product Detail

Product Tags

Multi-span Greenhouse

1.This type of greenhouse is suitable for large-area planting and can be equipped with a variety of modern intelligent equipment to adjust the indoor temperature and humidity to adapt to the growth environment of crops, thereby increasing crop yields.

2.This kind of greenhouse is cheaper than glass greenhouse and polycarbonate greenhouse,it's can acheive the same effect with different material.

3.For some flower plants that require relatively high air temperature in the environment, the multi-span greenhouse is more suitable for growing and increasing yield. The main body adopts a hot-dip galvanized frame, which improves the life span.

4.Our after-sale service can keep all the time,whatever problem you meet we can solve them for you quickly!


Greenhouse Parameters

Item name
polycarbonate sheet covering greenhouse
Main frame
Hot Galvanized Steel Pipe
Covering material
8-12mm polycarbonate Sheet
Fram life time
20 years
Covering material life time
10-15 years
Columns size
Size: 120*120*3mm or 150*150*3 mm
Gutter height
Greenhouse height
Wind Load
Snow Load
Option systerm
①Ventilation System
②Shading System
③Cooling System
④Heating System
⑤Irrigation System
⑥Seedbed System
⑦Control System
⑧Hydroponics System


Frame Structure Materials

High quality hot-dip galvanized steel structure, Zinc-coating 275 g/m2, service life over 20 years.

All steel materials are field-assembled, no secondary processing required.

The galvanized connectors and fasteners are not rusted for 20 years.

greenhouse skeleton

Multi-span Greenhouse Tips

PC greenhouse advantages

green house price per square meter from Jianda greenhouse with vertical hydroponic system

A) PC polycarbonate greenhouse have many advantages:

(1) Transparency: The transmittance is up to 89%. UV-coated panels do not produce yellowing when exposed to sunlight.


(2) Impact resistance: 6mm, 8mm with long life time


(3) UV protection: coated with anti-ultraviolet (UV) coating on the side


(4) Light weight: is light material, which saves the cost of transportation, unloading, installation, and support frames.


(5) Energy-saving: Keep cool in summer and keep warm in winter.


(6) Temperature adaptability: at -35°C, does not soften at 50°C.


Optional Systems

Cooling System: Cooling Pad

The cooling of greenhouse is achieved by the principle of evaporation and cooling of water. The special made cooling pad can ensure that the water evenly wets the entire cooling pad wall. When the air penetrates the cooling pad medium, it exchanges heat with the water vapor on the surface of the cooling pad to achieve humidification and cooling of the air.

Cooling system: Exhaust Fan

Size: 1380x1380x400m

Power: 1100 w

Voltage: 380V, 50Hz, PH1

Air volume: 44000 m3/h

Noise 60 decibels

Hot-dip galvanized steel frame, stainless steel fan blade

Multi-span Greenhouse (2)



Ventilation system

The ventilation system is mainly used for gas exchange inside and outside the greenhouse. In order to achieve the purpose of adjusting the temperature, humidity and CO2 concentration inside the greenhouse.
Side ventilation or top ventilation system can be selected according to your planting requirements.
One is a manual ventilation system and the other is an electric ventilation system.

Internal Shading System

Anti-fog and anti-drip

Energy-saving and insulation

Water conservation

The curtains are divided into two types, ventilated and insulated. Different types and shading rate of curtains are used as needed. In order to increase the insulation effect in the greenhouse, double inside shading nets can be used.

venlo glass greenhouse
shading system

External Shading System

The main function of the system is to cool and shade in the summer, so that the sunlight diffuses into the greenhouse to ensure that the crop is protected from glare of the sun. Anti-UV, anti-hail, reducing damage to the top of the greenhouse.

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