Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 1

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 2

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 3

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 4

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 5

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame 6

Large Multi-Span PE Tunnel Greenhouse, Galv Steel Frame

Dawn pours light through the long arched tunnel as neat rows of green reach up, held by the gleam of a galvanized steel frame. This large multi-span PE tunnel wraps your plants in tough, clear film and steady, rust-proof steel, shielding them from wind, rain, and cold. Step inside and feel the promise of bigger yields, easy venting, and years of reliable growth—a smart, beautiful home for every grower.

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Bay Distance

1-4m

Heating System

Electrical or Water heating system

Cooling system

Cooling Pad Fan System

Side ventilation

Manual or lectical

Roof Ventilation System

Manal or electrical

Film

150micron/200micron

Frame Structure

Hot Dip Galvanized steel

Instruction for use

SAINPOLY

Robust Galvanized Multi-Span Protection

The Multi span Film greenhouse delivers cost-saving, high-yield cultivation with a hot-dipped galvanized steel frame, customizable 6/8/10m spans and a modular arched shape for efficient space use and strong ventilation. Durable anti-UV plastic film, factory-made lock channels, automated shading and ventilation systems, plus cooling and hydroponic options, ensure low energy use, easy maintenance and a frame life over 15 years. Factory-packed modular kits come with clear assembly manuals, optional on-site engineer support and free sample parts, making it an economical, easy-to-install solution for seedlings, dwarf fruit, aquaculture and research.

Here are five 4-word subtitle options:

This Multi span Film greenhouse features a hot-dip galvanized steel frame with flexible 6/8/10 m spans, customizable lengths and heights, high-quality anti-drip, anti-UV plastic film and a durable lock channel for robust corrosion resistance. Its multi-span structure, electric roll-up top and side ventilation motors, shading system, exhaust fans, cooling pads and optional hydroponic setup provide precise temperature, humidity and airflow control for seed breeding, dwarf fruit trees, aquaculture, livestock and research applications. Cost-saving and energy-efficient with factory-made components, simple assembly, long service life (frame over 15 years) and automated/manual control options, it reduces operating costs while improving space efficiency and crop yield.

Spacious Multi-Span PE Greenhouse

The Multi span Film greenhouse features a hot-dipped galvanized steel frame and cost-saving plastic film covering, offering customizable spans (6/8/10 m) and lengths with a simple, space-efficient structure suitable for seed breeding, dwarf fruit trees, aquaculture, livestock, exhibitions, restaurants, teaching, and research. Durable corrosion-resistant frames with over a 15-year lifespan, anti-drip and anti-UV film backed by at least five years of quality assurance, plus optional shading, hydroponic, cooling and automated top/side ventilation systems deliver low-energy operation, strong ventilation, and reduced heat loss. Factory-made components and professional after-sales service—including planning drawings, installation manuals, and on-site supervision—ensure easy assembly and flexible customization to local climate and site conditions.

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Durable Efficient Versatile Protective

Built by a heritage manufacturer with rigorous R&D, the Large Multi-Span PE Tunnel Greenhouse pairs a hot-dip galvanized steel frame with UV-stabilized PE film for durable, low-maintenance performance. This Multi span Film greenhouse delivers modular, scalable tunnels that maximize light diffusion and climate control through ridge vents and optional irrigation or heating systems. Key features include corrosion-resistant galvanization, quick bolted assembly, reinforced bows for snow and wind loads, and easy PE film replacement—providing extended growing seasons, reliable yields, and lower lifecycle costs.

Material introduction

The hot-dipped galvanized steel frame of this Multi span Film greenhouse is factory-made with high-quality lock channels and corrosion-resistant tubing, providing a stable structure and a service life exceeding 15 years. The PE plastic film covering is low-cost yet engineered for anti-drip and anti-UV performance, offering low energy loss and at least a five-year quality assurance. Auxiliary materials — durable 75% shading nets, electric roll-up motor fittings, cooling pads and exhaust fan components — complete the system for reliable ventilation, cooling and long-term operation.

◎ PE Film (Covering)

◎ Galvanized Steel Frame

◎ Auxiliary Systems (Ventilation & Shading)

FAQ

What is a large multi-span PE tunnel greenhouse with a galvanized steel frame best used for?

It’s designed for medium- to large-scale protected agriculture: commercial vegetable and fruit production, cut flowers, seedling/nursery production, season extension for market crops, and integrated systems like hydroponics or aquaponics. Multi-span layout lets you cover wide areas economically while using shared gutters, central ventilation runs, and space for mechanization and high throughput.

Which crops and production systems work well in this type of greenhouse?

Common uses include tomatoes, cucumbers, peppers, lettuce and other leafy greens, herbs, strawberries and other berries, cut flowers, and propagation of seedlings and ornamentals. It suits bench, floor, or trough production and integrates easily with drip irrigation, hydroponic gutters, vertical/rack systems, and mechanized planting/harvest equipment.

In what climates and environmental conditions is it effective?

It performs well across temperate, semi-arid and many cold regions when equipped properly. The PE film protects from frost, wind, rain and hail and can extend the growing season. For cold climates use double-layer PE (air-inflated) and thermal screens plus heating; for hot climates add roll-up side vents, shading cloth or evaporative cooling. Note: in heavy-snow or extreme-wind areas require reinforced frames and stronger anchoring or a different structure type.

What site and installation considerations should I plan for?

Choose a level, well-drained site with good sun exposure (long axis north–south for most crops). Provide access for vehicles, reliable water and power, and drainage. Design foundations and anchoring to match local wind/snow loads (concrete footings or deep anchors as required). Allow space between spans for service aisles and install gutters, end doors and ventilation runs according to crop layout and workflow.

How should the greenhouse be operated and maintained for best performance?

Manage ventilation, shading and heating to match crop needs; control humidity to avoid disease; implement IPM (pest and disease monitoring). Inspect the PE film regularly for tears and replace it every 3–7 years depending on quality and exposure. Check frame bolts and welds, clear gutters, and keep the galvanized finish clean—repair any damage to prevent corrosion. Regular maintenance keeps productivity high and extends service life.

What customization and accessories are available to suit different applications?

Options include span width and ridge height, single or double-layer PE, anti-condensate and UV-stabilized films, roll-up sidewalls or louvered vents, insect netting, shading screens, heating systems, evaporative cooling pads and fans, automated climate controllers, irrigation and fertigation systems, benches/racks, and integrated gutters for drainage. Structures can be engineered for higher snow/wind loads or adapted for mechanized operations and specific crop requirements.

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