SKU: 82656392532

8x12 Polycarbonate Greenhouse with Twin-Wall Insulated Panels

Sale price$2373.75 Regular price$2637.50
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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For Your Every Summer RSVP, with Code: SUMMER15

Description

8x12 Polycarbonate Greenhouse with Twin-Wall Insulated PanelsLarge 8x12 Greenhouse with Thermal Efficiency and Superior Airflow 6mm Twin Wall Polycarbonate for Year Round Temperature Control This 8x12ft greenhouse is fitted with 6mm premium twin wall polycarbonate panels. The insulated glazing diffuses harsh light, retains warmth during colder months, and reduces heat gain in summer all while protecting plants from UV damage on both sides. Extra Ventilation and Durable Frame for Harsh Conditions With four roof

Large 8x12 Greenhouse with Thermal Efficiency and Superior Airflow

6mm Twin-Wall Polycarbonate for Year-Round Temperature Control

This 8x12ft greenhouse is fitted with 6mm premium twin-wall polycarbonate panels. The insulated glazing diffuses harsh light, retains warmth during colder months, and reduces heat gain in summer — all while protecting plants from UV damage on both sides.

Extra Ventilation and Durable Frame for Harsh Conditions

With four roof vents included, this model provides excellent natural airflow to prevent overheating and regulate humidity. The rust-resistant aluminium frame is powder-coated in matte black for long-lasting strength and sleek aesthetics.

Designed in New Zealand. Assembled in Australia.

Manufactured in New Zealand and assembled locally, this glasshouse is purpose-built for Australian conditions. Unlike many imported kits designed for milder climates, Winter Gardenz structures are engineered to handle the extreme weather seen in regional and coastal Australia — from strong winds to temperature swings.

Spacious Interior for Dedicated Growers

At 2596mm wide x 3844mm long, this 8x12 model offers plenty of space for raised beds, multiple staging levels, and propagation setups. It’s a great choice for home growers who want serious output with the control and protection of an insulated structure.

  • Dimensions: 2596mm (W) x 3844mm (L) x 2615mm (H to ridge)
  • Height to gutter: 1620mm
  • Glazing: 6mm twin-wall polycarbonate (UV-protected both sides)
  • Frame: Matt-black powder-coated aluminium
  • Roof vents: 4 included for improved 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 8x12ft Poly Greenhouse

Customize your greenhouse for maximum efficiency and comfort with these popular upgrades:

✅ 2x Automatic Vent Openers

2x Greenhouse Louvre Vent Kits

1x 12ft 3-Tier Adjustable Greenhouse Shelving

1x 8×12 Shade Cover Kits

1x Aluminium Mesh Screen Door

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: 82656392532

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Iliana
West Palm Beach, US
★★★★★ 5
Son muy comodas y bonitas
Size: 9, Color: (100) White/Halo Gray/White, Size: 9, Color: (100) White/Halo Gray/White
This stove is very practical, I don't like to cook inside the house that's why I bought it. But you can use it wherever you want
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Reviewed in the United States on March 24, 2026
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Audriana Keller
Bozeman, US
★★★★★ 5
So comfortable!
My fiance uses these daily and still loves them! The memory foam is such a comfortable fit and they are true to their size.
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Reviewed in the United States on March 16, 2026
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P. Defender
Chelsea, US
★★★★★ 4
Comfortable but runs large
These flip flops are very comfortable with a soft lightweight footbed that feels great to walk in. The fit is a little big with the footbed being the right size but the straps are way too lose causing me to accidentally kick the shoes off when walking up steps. Overall they are comfortable sporty flip flops but you may want to order a half size down.
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Reviewed in the United States on July 1, 2025
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Misael Gil
Draper, US
★★★★★ 5
Great flip flops
I wear these for work (I paint soccer fields) and they have held up. They are very comfortable and durable
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Reviewed in the United States on January 12, 2026
E
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Edwin Montes
Phoenix, US
★★★★★ 5
5⭐
Excellent fit, super comfortable 3/11/2026 and still at it
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Reviewed in the United States on March 11, 2026

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