
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
6x20 Polycarbonate Greenhouse with Twin-Wall Insulated PanelsLarge 6x20 Greenhouse with Premium Insulated Polycarbonate for All Season Growing 6mm Twin Wall Polycarbonate for Exceptional Thermal Control This 6x20ft greenhouse is clad in 6mm premium grade twin wall polycarbonate an ideal material for reducing heat loss in winter and excess heat gain in summer. Its insulating structure helps create a stable environment, especially beneficial for temperature sensitive crops. Sturdy, Rust Free Frame with a Bespoke
Large 6x20 Greenhouse with Premium Insulated Polycarbonate for All-Season Growing
6mm Twin-Wall Polycarbonate for Exceptional Thermal Control
This 6x20ft greenhouse is clad in 6mm premium-grade twin-wall polycarbonate — an ideal material for reducing heat loss in winter and excess heat gain in summer. Its insulating structure helps create a stable environment, especially beneficial for temperature-sensitive crops.
Sturdy, Rust-Free Frame with a Bespoke Architectural Finish
The modern matt-black aluminium frame is powder-coated to resist rust, corrosion, and UV exposure. Designed for strength over longer spans, it maintains a clean, architectural look with the durability needed for long-term outdoor use.
Manufactured in New Zealand. Warehoused and Supported in Australia.
Winter Gardenz greenhouses are made for Australasian conditions — designed in New Zealand and assembled here in Australia. You’ll get local support, fast delivery, and clear instructions — no international wait times or confusing manuals.
Expansive Space and Airflow for Committed Growers
At 1972mm wide x 6386mm long, this greenhouse offers extensive internal room for multi-zone setups, raised beds, or large-scale propagation. With 8 roof vents included, it delivers excellent airflow and improved climate control across the entire structure.
- Dimensions: 1972mm (W) x 6386mm (L) x 2360mm (H to ridge)
- Height to gutter: 1620mm
- Glazing: 6mm twin-wall polycarbonate
- Frame: Matt-black powder-coated aluminium
- Roof vents: 8 included for ventilation
- Wind Rating: Up to 150km/h when installed to specification
Download Installation Resources
To make installation easier, we’ve included both a detailed foundation plan and a general guide. These documents will help you set up your greenhouse safely and securely.
Download Foundation Plans Download General Foundation Guide
Recommended Accessories for the 6x20ft Greenhouse
Customize your greenhouse for maximum efficiency and comfort with these popular upgrades:
✅ 4x Greenhouse Louvre Vent Kit
✅ 2x 10ft 3-Tier Adjustable Greenhouse Shelving
✅ 1x Aluminium Mesh Screen Door
✅ 1x Extended Top Door Rail for 6ft Greenhouse Models
Please note: Greenhouses can only be delivered to your nearest Mainfreight Depot.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy