Sainpoly Large Square PC Greenhouse Steel Frame 9.6/10.8/12m 1

Sainpoly Large Square PC Greenhouse Steel Frame 9.6/10.8/12m 2

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Sainpoly Large Square PC Greenhouse Steel Frame 9.6/10.8/12m

The Sainpoly Large Square PC Greenhouse is a heavy-duty steel-frame greenhouse available in 9.6, 10.8, and 12 m lengths, designed for large gardens or small commercial growing. It pairs a sturdy galvanized steel frame with twin-wall polycarbonate (PC) panels for strong weather resistance, high light transmission, UV protection, and better insulation than single-layer plastic. Spacious, modular and low-maintenance, it provides good ventilation, easy assembly, and year‑round growing capacity to boost yields.

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Ventilation system

Manual and Electric

Bay Width

Span Width

9.6m 10.8m 12m

Packing

Safe Packing

Covering

PC Sheet Cover Greenhouse

Frame material

Glavanized Steel Materials

Height

4.5-8m

Cooling system

Cooling Fan System

Instruction for use

With installation manual and installation video.

Durable, Weatherproof, Spacious, Easy-Assembly

The Multi span Polycarbonate greenhouse provides growers a spacious, high-yield environment that protects crops from extreme weather while enabling efficient multi-bay operations. Built with a robust steel frame and large square polycarbonate panels (single span widths 9.6/10.8/12m, bay width 4m, height 4.5–8m) and delivered in safe packing, it blends sturdy industrial style with a clean, functional shape. Engineered for reliability with wind resistance up to 120 km/㎡, snow resistance 30–55 kg/㎡, max rain 140 mm/h and crop loading 15–30 kg/㎡, it offers long-lasting quality and peace of mind for commercial growers.

Spacious Durable Steel Greenhouse

The Sainpoly Large Square PC Greenhouse Steel Frame 9.6/10.8/12m is a Multi span Polycarbonate greenhouse offering 9.6, 10.8 and 12 m single-span widths, 4 m bay spacing and a 4.5–8 m ridge height built on a robust steel frame with durable polycarbonate cladding. Core value attributes include heavy-duty performance—wind resistance up to 120 km/h, snow load capacity of 30–55 kg/m², crop loading 15–30 kg/m² and drainage to handle 140 mm/h rainfall—ensuring crop protection and season extension for commercial growers. Functional and structural features like modular multi-span configuration, secure packing for transport, efficient load distribution and easy expandability make it ideal for large-scale horticulture, nurseries and protected farming operations.

Large Steel Polycarbonate Greenhouse

The Sainpoly Multi span Polycarbonate greenhouse is a durable steel-frame structure available in single span widths of 9.6, 10.8, and 12 m with a 4 m bay width and heights ranging from 4.5 to 8 m. Engineered for commercial cropping, it withstands winds up to 120 km/㎡, snow loads of 30–55 kg/㎡, and heavy rainfall up to 140 mm/h while supporting crop loads of 15–30 kg/㎡. Safe packing and robust construction make it suitable for large-scale production and long-term use.

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Robust, Spacious, Weatherproof, Efficient

Sainpoly's Large Square PC Greenhouse Steel Frame (9.6/10.8/12m) stems from years of horticultural design and quality control, blending practical craftsmanship with a brand focus on longevity and user-friendly assembly. This Multi span Polycarbonate greenhouse pairs heavy-duty galvanized steel trusses with UV-stable twin-wall PC panels to provide excellent light transmission, thermal insulation, and customizable ventilation for all-season growing. Key features and advantages include modular multi-span construction for scalable lengths, reinforced framing and anchoring for wind and snow loads, easy snap-fit assembly and corrosion resistance, improved crop protection and energy efficiency, and optional guttering and vent/door configurations for commercial or hobby use.

Material introduction

Constructed from a hot-dip galvanized steel frame and durable multi-wall polycarbonate (PC) panels, the Sainpoly Large Square PC greenhouse combines corrosion resistance with excellent light diffusion and thermal insulation for robust crop protection. As a Multi span Polycarbonate greenhouse it is built in modular 4m single bays with overall spans of 9.6, 10.8 or 12m and heights from 4.5 to 8m to suit commercial layouts. Reinforced arches, bolted fittings and secure packing yield high performance with wind resistance rated to 120, snow load capacity 30–55 kg/㎡, max rainfall 140 mm/h and crop loading 15–30 kg/㎡.

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FAQ

What kinds of crops and operations is the Sainpoly Large Square PC Greenhouse Steel Frame best suited for?

This greenhouse is versatile and works well for commercial vegetables (tomatoes, peppers, cucumbers), herbs, ornamentals and cut flowers, seedling/nursery propagation, and controlled-environment production such as hydroponics or aquaponics. Its polycarbonate panels diffuse light and provide insulation, making it suitable for both year‑round production and seasonal extension.

How do I choose between the 9.6 m, 10.8 m and 12 m sizes?

Choose based on your planted area, workflow and site constraints. The larger spans (12 m) give more contiguous growing space and fewer internal supports—good for commercial operations or mechanized workflows. The 9.6 m option suits smaller farms or backyard businesses where lower upfront cost and easier handling are priorities. Consider aisle layout, row spacing, and the size of equipment you’ll use when selecting the width/length.

What foundation and installation considerations should I plan for?

Typical installations require a level foundation such as concrete strip or slab, treated timber sleepers, or ground screws/anchors depending on soil. The kit is modular; assembly usually needs a small crew (2–6 people) and basic tools. Confirm local building codes, ensure proper anchoring for wind loads, and plan for drainage around the structure. Ask the manufacturer for the assembly manual and any site-specific foundation recommendations.

How should I handle ventilation, heating and irrigation inside this greenhouse?

For ventilation use a mix of passive (ridge and side vents) and active (exhaust fans, circulation fans) systems to control temperature and humidity. In hot climates add shade cloth or automated venting; in cold climates pair the structure with heaters (forced-air, hot water, or electric) and thermostatic controls. For irrigation, drip systems, ebb-and-flow benches, or overhead misting can be integrated—choose based on crop needs. The steel frame and panel system allow easy mounting of fans, rails, benches, and irrigation lines.

What maintenance is required to keep the greenhouse performing well?

Regular tasks include cleaning polycarbonate panels with mild soap and water to maintain light transmission, inspecting seals and fasteners, lubricating moving vent parts, clearing gutters and drainage paths, and checking anchors after storms. Replace damaged panels or worn gaskets promptly. Follow the manufacturer’s maintenance schedule to preserve insulation and UV protection.

Can the greenhouse handle local weather — wind, snow and strong sun — and how can I reinforce it?

Polycarbonate panels provide good UV resistance and impact strength; the steel frame offers robust support. However, actual performance depends on the frame gauge, panel thickness and anchoring. For areas with heavy snow or strong winds, consult the structural specifications and local building codes, and consider reinforcements such as additional purlins, stronger anchors, steeper roof pitch for snow shedding, and snow-clearing procedures. The manufacturer can advise on upgrade options or site-specific bracing to meet local load requirements.

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