6x20 Polycarbonate Greenhouse with Twin-Wall Insulated Panels
SKU: 55273858244

6x20 Polycarbonate Greenhouse with Twin-Wall Insulated Panels

Sale price$3561.75 Regular price$3957.50
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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

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TT
Charlottesville, US
★★★★★ 5
Quality and cost.
Size: XX-Large, Color: Lake Blue
Perfect transaction.
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Reviewed in the United States on April 16, 2025
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Jacquelin Scott
Fort Morgan, US
★★★★★ 5
The suit is definitely as pictured.
Size: Large, Color: Champagne
Beautiful Suit, ordered a large for my son he's 5'7 about 175 but he has a belly, the pant does has extra extension in the waist but my son couldn't fit the pant, overall this is a Nice suit loved jacket .
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Reviewed in the United States on March 17, 2026
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Trikia j
Omaha, US
★★★★★ 5
Good Quality
Size: Large, Color: Hunt Green, Size: Large, Color: Hunt Green
The suit came fast I love the color its actually looks like the picture my husband 205lbs I got him a large we just had to adjust the belt on jacket but it fit just right the quality is good just like if you went to men's suite store but at cheaper rate got so many compliments doest come with chain had to order
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Reviewed in the United States on February 27, 2026
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Alan C Spates
Pawtucket, US
★★★★★ 5
Good fit
Size: XX-Large, Color: Champagne
Fit was nice. Pants were a tad bit snug, but the elastic waistline made them doable. Jacket was a perfect fit, just wish I could have pick my waist size..
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Reviewed in the United States on May 4, 2026
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Joyce
Lowell, US
★★★★★ 5
Great suit
Size: X-Small, Color: Beige
I really like this suit for my son. Great material. I used the size calculator and it worked perfectly.
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Reviewed in the United States on March 23, 2026

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