SKU: 55273858244

6x20 Polycarbonate Greenhouse with Twin-Wall Insulated Panels

Sale price$3561.75 Regular price$3957.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

Promo Codes Available:

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:

8x Automatic Vent Openers

4x Greenhouse Louvre Vent Kit

2x 10ft 3-Tier Adjustable Greenhouse Shelving

2x 6×10ft Shade Cover Kit

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:
  1. 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
SKU: 55273858244

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 535 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jess
Whiting, US
★★★★★ 4
Pups like them
Size: 4 Inch (Pack of 2)
It took a little bit but once my dogs started chewing on them they seem to like them. They're holding up pretty well and not destroying them too quickly like they did some other chews.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
A
Verified Purchase
adiva33
Battle Creek, US
★★★★★ 5
This chew will do
Size: 4 Inch (Pack of 1)
My Maltipoo loves this chew toy. It’s a good size for her biting and can carry it if needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
M
Verified Purchase
Michelle
Alexandria, US
★★★★★ 5
Keeps him
Size: 4 Inch (Pack of 2)
My dog is obsessed with these. Favorite toy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
G
Verified Purchase
Gayla
Boise, US
★★★★★ 5
My picky yorkies love these
Size: 4 Inch (Pack of 2)
My small dogs took to this chew. My yorkies are constantly carrying these around, even through the doggie door. They love them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
A
Verified Purchase
Amazon Customer
New York, US
★★★★★ 5
Satisfied customer
Size: 4 Inch (Pack of 2)
My dog absolutely loves this. He chews on it daily. It really keeps him occupied for for a good while. I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026

recommand products