Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE 1

Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE 2

Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE 3

Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE 4

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Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE

The Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE is a roomy, multi-bay greenhouse made for hydroponic growing. It has a strong steel frame and a double-layer PE cover that keeps heat in and blocks pests. The design fits racks, pipes, and pumps so you can run NFT, DWC, or ebb-and-flow systems. It is simple to install and lets you grow more, year-round, with less water and better control.

Usage scenarios:

Commercial farms can run stacked hydroponic beds to grow lettuce, herbs, tomatoes, and cucumbers year-round, boosting yield and cutting water use. Urban farms and community growers can set up compact vertical systems to supply local markets and restaurants with fresh produce. Nurseries, research centers, and hobby growers can use it for seedling production, plant trials, or aquaponics with stable climate and easy irrigation integration.

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height of the greenhouse

3m, 4m, etc.

bay width

greenhouse frame

galvanized steel

Ventilation system

Included

Covering

150/200micro PE Film

Name

Turnkey multi span film green house greenhouse

Frame Structure

Galvanized Steel Tube

Instruction for use

Installation videos and drawings

Spacious, Durable Double-PE Greenhouse

The Sainpoly Multi span Film greenhouse delivers a durable, large-span hydroponic environment that maximizes yields and resists wind, snow and heavy rain through galvanized steel tubing and double PE film (150/200 μm) cladding. Its multi-bay shape (4 m bay width, configurable heights) and turnkey style—ventilation included, high crop-loading capacity and robust frame—enable scalable, efficient growing while safe packing options (bulk, bag, pallet or wooden box) protect components in transit. Factory-backed service with installation drawings, videos and after-sales engineers ensures fast planning, assembly support and reliable delivery for commercial operations.

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The Sainpoly Large Multi-Span Hydroponic Greenhouse, Double PE is a robust Multi span Film greenhouse with a galvanized steel tube frame and double-layer 150/200 micron PE film covering in a modular multi-bay layout (4 m bay width) and adjustable height options for large-scale hydroponic cultivation. Its turnkey design includes integrated ventilation, high wind (up to 80 km/h) and snow resistance, strong crop-loading capacity and heavy rain handling to provide stable climate control, improved yields and efficient water management. Supplied with installation drawings, after-sales engineering support, customizable packing and scalable production capacity, it combines commercial durability, easy assembly and operational flexibility for professional growers.

Large Multi-Span Hydroponic Greenhouse

The Sainpoly Large Multi span Film greenhouse combines a galvanized steel tube frame with a double PE film cover to deliver a turnkey hydroponic solution. Its standard 4m bay width and flexible heights (3–7.8m), integrated ventilation, and engineered tolerances for wind (80 km/h), snow (30–55 kg/m²) and heavy rain (up to 140 mm/h) support high crop loading and stable climate control. Built by the factory with installation drawings, videos and after-sales engineering support, it is available in customizable packing options for commercial-scale projects.

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Durable Insulated Hydroponic Greenhouse

Sainpoly's Large Multi-Span Hydroponic Greenhouse reflects the brand's horticultural expertise and durable engineering, built to scale from hobby plots to commercial farms with a focus on high-performance, long-lasting materials. The Multi span Film greenhouse pairs a heavy-gauge galvanized steel frame with a double-layer PE film for enhanced insulation and UV resistance, plus a hydroponic-ready layout, improved ventilation, and optimized light diffusion to boost uniform crop growth. Easy to assemble, corrosion-resistant, and engineered for year-round production, it delivers higher yields, lower water and energy use, and reliable protection against weather extremes.

Material introduction

The Multi span Film greenhouse is built on a robust galvanized steel tube frame that resists corrosion and provides high structural strength for large multi-bay installations. Its double PE film cover (150–200 micron) is UV-stabilized and layered for improved insulation and humidity control, making it well suited for hydroponic cultivation. Together with integrated ventilation and heavy-duty anchoring, these materials deliver dependable wind and snow resistance for turnkey greenhouse projects.

◎ Galvanized Steel Tube Frame

◎ Double-Layer PE Film Cover (150–200 micron)

◎ Integrated Materials & Ventilation Components

FAQ

What is the Sainpoly Large Multi-Span Hydroponic Greenhouse (Double PE) best used for?

This greenhouse is designed for commercial and large-scale production using hydroponic methods. It’s ideal for growing leafy greens, herbs, tomatoes, cucumbers, peppers, strawberries and other high-value vegetables and fruits, plus seedling propagation and research/teaching applications where controlled soilless culture is needed.

How does the “Double PE” design impact growing conditions?

Double PE refers to a twin-layer polyethylene film that creates an insulating air gap. It improves thermal retention, reduces heat loss at night, diffuses incoming light for more even canopy exposure, and lowers heating costs compared with single-layer covers — all of which help stabilize temperature and boost year-round production in cooler climates.

What hydroponic systems and layouts can be used inside this multi-span greenhouse?

The greenhouse is compatible with a wide range of hydroponic systems including NFT (nutrient film technique), DWC (deep water culture), ebb-and-flow, trough/bag systems, vertical racks, and drip fertigation. Its multi-span layout supports long benches or channel rows and is modular for add-on racks and automated lines.

What site and structural considerations should I check before installing this greenhouse?

Choose a level site with good drainage and access to water, power and delivery. The multi-span frame needs a secure foundation and proper anchoring; local wind and snow load requirements must be checked to confirm any additional reinforcement. Plan for access roads, irrigation lines, and space for ventilation equipment and service aisles.

How do I manage climate control, ventilation, and pest issues in this greenhouse?

Use a combination of natural/forced ventilation, exhaust fans, evaporative cooling or heaters depending on your climate. Shade cloths and roll-up sidewalls help control light and temperature; integrated insect screens and strict hygiene (footbaths, quarantining new plants, regular cleaning) help prevent pests and diseases. Automated climate controllers and CO2 enrichment can further optimize growth.

What maintenance, lifespan and operating costs can I expect?

Routine maintenance includes cleaning and inspecting frames and joints, checking seals and tension on the PE film, monitoring irrigation and nutrient systems, and replacing the PE cover every few years (typically 3–6 years depending on UV exposure and care). Double PE lowers heating costs but initial investment and equipment (fans, pumps, controllers) affect operating expenses; however, higher yields and year-round production often improve profitability.

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