Multi-Span Agri/Commercial Film Greenhouse - Easy Install
Sainpoly Professional Multi-Span Film Greenhouse: The Ultimate Cost-Effective Solution for Commercial Cultivation
1. Core Highlights
As Sainpoly's best-selling commercial cultivation solution, the multi-span film greenhouse perfectly balances initial investment costs with output efficiency. It is not only ideal for large-scale cultivation on several hectares, but also a professional-grade agricultural facility mechanically reinforced for extreme climates.
2. Technical Precision
Main Frame: Constructed with Q235/Q355 high-strength hot-dip galvanized steel, with a zinc coating thickness ≥180g/㎡ (customizable ≥275g/㎡), ensuring a corrosion resistance lifespan of over 20 years in the high-humidity environment of a greenhouse.
Covering Material: Standard configuration includes a 150/200 micron five-layer co-extruded PO diffuse reflective film, featuring excellent light transmittance (≥90%), anti-drip properties, and UV resistance.
3. Powerful Functionality
**Precise Environmental Control:** Seamlessly integrates with automatic roll-up ventilation, internal/external shading systems, and evaporative cooling systems to create the optimal microclimate for crops.
**Full System Compatibility:** The structural design provides ample load margin, supporting suspended cultivation and direct mounting of automated fertigation systems.
4. Practical Application & Impact
**Year-Round Stable Yield:** Through structured insulation and cooling design, it eliminates the impact of seasonal climate changes, enabling uninterrupted harvesting of tomatoes, peppers, berries, and other crops throughout the year.
**Extreme Weather Barrier:** Standard wind pressure resistance 0.28kN/㎡, snow load resistance 0.26kN/㎡, and can be structurally reinforced based on your local historical weather data.
5. Core Advantages (Strategic Advantages)
90% Self-Produced Core Components: Saint Paul has a 32,000㎡ manufacturing center where everything from steel frame fabrication to system integration is completed in-house, eliminating middlemen and providing you with truly factory-direct prices.
Authoritative Technical Backing: Holding 15 utility model patents and CE certification, our design standards strictly adhere to international greenhouse engineering specifications, ensuring your project successfully passes local government inspections.
6. Business Value (ROI): Choosing Saint Paul is not just about purchasing a greenhouse; it's about acquiring a high ROI (Return on Investment) production tool. We provide a one-stop turnkey service from site planning and CAD blueprint design to installation guidance, shortening your infrastructure construction cycle by 30% and allowing your farm to reach harvest time earlier than your competitors.
Product Description
Plastic film spans multiple greenhouses, saving costs and being easy to use. It adopts a combination of hot-dip galvanized light steel structure and high-strength anti-aging agricultural film, with an arched streamlined design. The overall structure is relatively simple and has strong resistance to snow and wind. For different situations, single-layer film, double-layer film or pure insect proof net composite structure can be used. Our film adopts new domestic technology, and the service life can be extended by 2-4 years compared to normal. This product is widely used in various planting scenarios, such as vegetable planting, fruit planting, and seedling hydroponics. The heating or cooling system can be replaced and adapted in different environments. We support one-stop service from design, installation, delivery to after-sales use.
Product Advantages
Technical Specifications
| parameter | Standard Configuration | Optional upgrade |
| Span | 8.0m | 6.0m / 9.6m / 12.0m |
| Bay | 4.0m | 3.0m / 5.0m |
| Eave Height | 4.5m | 3.0m ~ 6.5m（adjustable） |
| Top Cover | Double layer inflatable PO film (thickness 0.15mm × 2) Light transmittance ≥ 90%, drip proof and anti-aging |
Three layer inflatable film/diffuse emission film/fluorescent conversion film |
| Side Cover | Same top double-layer film | Single layer high permeability film+detachable insulation layer/insect screen composite film |
| Frame Galvanizing Layer | Hot dip galvanizing ≥ 275g/㎡ (equivalent to ISO 1461) | 400g/㎡（Corrosion resistance enhancement, suitable for coastal/high humidity areas that are prone to rusting） |
| Snow Load Resistance | 0.65 kN/㎡ | 0.85 kN/㎡ / 1.0 kN/㎡（Reinforced truss+steep roof） |
| Wind Load Resistance | 0.55 kN/㎡ | 0.75 kN/㎡ / 1.0 kN/㎡（Typhoon resistant type, reinforced with pressure film tape） |
| Insulation System | Double layer inflatable membrane (air insulation layer) | Internal insulation curtain (aluminum foil reflective type) Internal insulation curtain (aluminum foil reflective type) Double screen (insulation+shading) Adding polystyrene board insulation layer to the wall |
| Heating System | Reserved heat source interface (gas/hot air stove pipeline) | Double screen (water insulation and heat dissipation fins/hot air stove/ground source heat pump/biomass boiler temperature+sunshade)Double screen (water insulation and heat dissipation fins/hot air stove/ground source heat pump/biomass boiler temperature+sunshade) |
| Ventilation Method | Electric roll film top window (double-sided roll up, window opening angle 0~80 °) | Wall additional polystyrene board insulation, side wall electric roll film+wet curtain - fan forced ventilation Fully automatic sunroof system layer |
| Environmental Control System | Intelligent Environmental Control Cabinet (PLC) Temperature and humidity+roll film+fan linkage control |
Internet of Things+Remote Management via Mobile APP Scalable automatic control of light, CO ₂, water and fertilizer integration |
| Other Systems | Different systems can be matched according to your needs | Can be paired with Co2 system, hanging system, irrigation system, integrated water and fertilizer system, cooling system, hydroponic system, lighting system, solar energy system, fish vegetable symbiosis system, etc |
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The above parameters are basic parameters. If you have special customization or other requirements, please contact us directly. We will provide you with a customized solution based on the information you provide |
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Application and Solutions
In winter, when the temperature drops below -30 ℃, vegetables freeze to death. The double-layer inflatable film, insulation system, and heating interface are used, with a double-layer film structure and an air insulation layer formed in the middle. The insulation rate can be increased by more than 30%
Risk of Snow Collapse
Reinforced truss+steep roof design, enlarged main skeleton section, nodes connected by high-strength bolts, roof designed as a steep arch or apex, snow load design value can reach 0.8-1.0kN/㎡.
Custom Commercial
Greenhouse Services
As the source production factory, we provide flexible fully customized services:
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FAQ
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