Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 1

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 2

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 3

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 4

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 5

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 6

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv 7

Sainpoly PC Greenhouse 9.6/10.8/12m Span Bay4m H4.5-8m Galv

At dawn, warm light pours through the crystal-clear polycarbonate panels and wakes rows of green leaves.

A tough galvanized frame holds the air steady like a ship’s hull, shrugging off wind and rain.

Choose 9.6, 10.8 or 12 m spans, 4 m bays and 4.5–8 m heights to craft your dream growing space.

Inquiry

Write a Review

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.

Galvanized Durability, Easy Assembly

The Multi span Polycarbonate greenhouse delivers robust, weather‑resistant cultivation across 9.6/10.8/12m spans with 4m bays and 4.5–8m heights, offering wind resistance up to 120 km/㎡, snow load 30–55 kg/㎡, and max rain handling of 140 mm/h to protect crops and maximize yield. Galvanized steel frame, streamlined arched shape and high‑quality polycarbonate panels ensure long‑lasting strength and optimal light transmission, while safe, compact packing eases transport and onsite assembly. Factory‑direct service includes free sample provision (freight paid by buyer), tailored planning drawings and installation support so you receive an easy‑to‑install system rated for crop loading of 15–30 kg/㎡.

Galvanized Modular Polycarbonate Greenhouse

The Multi span Polycarbonate greenhouse features galvanised steel frames with single span widths of 9.6, 10.8 or 12 m, 4 m bay spacing and adjustable heights from 4.5 to 8 m, creating a sturdy, modular envelope for large-scale cultivation. Engineered for performance, it resists winds up to 120 km/h, snow loads of 30–55 kg/m², heavy rains to 140 mm/h and supports crop loads of 15–30 kg/m², while polycarbonate panels provide light diffusion, insulation and long-term weather protection. Its modular multi-span structure simplifies assembly and transport with safe packing, and factory-backed production offers planning drawings, installation manuals, after-sales engineering support and free samples (freight excluded).

Galvanized Polycarbonate Large Greenhouse

The Multi span Polycarbonate greenhouse is available in single-span widths of 9.6, 10.8 and 12 m with 4 m bay spacing and heights from 4.5 to 8 m, providing flexible layouts for commercial cultivation. Constructed with galvanized framing and secure packing, it resists winds up to 120 km/㎡, snow loads of 30–55 kg/㎡, heavy rain up to 140 mm/h and crop loads of 15–30 kg/㎡. As a factory-direct product, we provide free samples (freight excluded) and professional after-sales support including planning drawings and installation manuals to assist with assembly.

◎ product nicety 1

◎ product nicety 2

◎ product nicety 3

Durable Spacious Versatile Weatherproof

Sainpoly's PC greenhouse is crafted from decades of horticultural engineering, combining a robust galvanized steel frame with UV-stabilized twin-wall polycarbonate panels to provide long-lasting strength, high light transmission and straightforward assembly. This Multi span Polycarbonate greenhouse offers precise climate control, superior thermal insulation and expanded planting area for both commercial growers and serious hobbyists. Key features and advantages include modular 4m bay spans, H4.5–8m internal clearance, corrosion-resistant galvanization, impact-resistant panels, optional ventilation and irrigation integration, and a scalable design for easy expansion and reliable year-round production.

Material introduction

Constructed with a robust galvanized steel frame and impact-resistant multi-wall polycarbonate panels, the Multi span Polycarbonate greenhouse delivers long-lasting structural integrity and excellent light transmission. Corrosion-resistant galvanization and secure stainless fasteners ensure durability under heavy loads and harsh weather, supporting wind resistance up to 120 km/h, snow loads of 30–55 kg/㎡, and crop loading of 15–30 kg/㎡. The lightweight polycarbonate cladding also provides superior thermal insulation and rain protection up to 140 mm/h, facilitating easier assembly and reliable performance across 9.6/10.8/12 m spans with 4 m bays and heights from 4.5–8 m.

◎ material introduction 1

◎ material introduction 2

◎ material introduction 3

FAQ

What types of crops and production systems is the Sainpoly PC Greenhouse (9.6/10.8/12m span, 4m bay, H4.5–8m, galvanized) best suited for?

This greenhouse is ideal for commercial vegetable and fruit production (tomatoes, cucumbers, peppers), floriculture, nursery stock, herbs, and high-value specialty crops. Its tall clear height supports trellised crops, vertical racking, and multi-tier hydroponics or aeroponics. It also works well for research plots, propagation houses, and mixed-use operations combining production and post-harvest handling.

How do the span, bay size, and 4.5–8 m height affect how I can use the structure?

The wide spans (9.6/10.8/12 m) create unobstructed internal space for mechanization, conveyors, and large bench layouts; 4 m bay modules make it easy to extend the length modularly. The 4.5–8 m wall/ridge height gives ample vertical space for tall crops, hanging systems, and climate equipment (ducting, fans, evaporative pads) while improving air circulation — useful for high-wire tomato or cucumber systems and for stacking vertical farming units.

Can this greenhouse be used in different climates and withstand wind, snow, or coastal conditions?

Yes — the galvanized steel frame resists corrosion and the multiwall polycarbonate (PC) panels offer good insulation and UV protection, making it adaptable to varied climates. For high wind or heavy snow regions, designs are typically engineered to local load requirements (reinforcements, stronger anchors, steeper roof pitch, thicker panels). Always verify the site’s wind/snow codes and work with the supplier/engineer to specify the correct structural options and foundation.

Is the Sainpoly PC Greenhouse suitable for automated, large-scale commercial production?

Absolutely — the roomy internal dimensions and robust frame support climate control systems (heating, cooling, ventilation), automated irrigation/fertigation, shading, CO2 enrichment, and mechanization such as trolleys or conveyors. The modular bay design simplifies phased expansion and integration of sensors, control systems, and task automation common in commercial greenhouses.

How does the polycarbonate cladding affect growing conditions and energy use?

Multiwall PC panels give good light diffusion, consistent PAR transmission, and thermal insulation compared with single-glass, which helps stabilize daytime and nighttime temperatures and can reduce heating costs. PC panels also typically include UV coatings to prolong life and reduce crop sunburn. For further energy savings, pair with thermal curtains, energy-efficient heating, and optimized ventilation control.

What maintenance and routine care are recommended for long-term use and reliability?

Regularly inspect frame connections, anchors, and fasteners for corrosion or loosening; clean PC panels seasonally with mild soap and non-abrasive cloth to maintain light transmission; check seals and gaskets for leaks and replace as needed. Maintain HVAC, irrigation, and control equipment per manufacturer schedules. With proper care and periodic parts replacement, galvanized frames and quality PC panels can serve reliably for many years.

Let’s Build Your Commercial Greenhouse Together

Share your project details – we’ll provide a tailored solution and a clear roadmap to success.