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TMG Industrial 8' x 20' Aluminum Frame Greenhouse w/4 mm Twin Wall Polycarbonate Panels, UV Protected Panels, TMG-GH820

Original price $0.00 - Original price $0.00
Original price $0.00
$1,999.00 - $1,999.00
Current price $1,999.00

Other financial option:

250.0 lb
75 x 30 x 17 inches
More Shipping Info
  • Residential or commercial growing solution for your sprouts, seedlings & flowers
  • Twin wall polycarbonate panels diffuse direct sunlight to keep your plants warm
  • Aluminum frame + ground base bars are rust resistant & corrosion free
  • 43” wide door for easy transport of tools, materials, carts & wheelbarrows
  • Manual roof rents, rain gutter & simple sliding lock assembly


  • Durable, warm, ventilated, year-round protection for your seedlings, flowers, herbs and other plant life that can be used personally or professionally
  • Aluminum ground base bars and frame body provide a sturdy construction that is rust resistant and corrosion free for long lasting protection
  • Twin wall polycarbonate panels (4 mm) will diffuse direct sunlight to store solar energy inside and keep your plants warm and happy
  • No need for artificial lighting because of the panel’s light permeability and UV protection; save money with natural growing conditions over time
  • 43” wide door gives you a spacious opening to transport new additions, materials, wheelbarrows, tools and landscaping carts in and out
  • Manual roof vents allow you to regulate air flow for optimal conditions and a rain gutter helps direct falling moisture off the structure
  • Simple assembly that involves easily sliding and locking the panels into the aluminum frame for a quick, no-hassle set up.
TMG Industrial 8' x 20' Aluminum Frame Greenhouse w/4 mm Twin Wall Polycarbonate Panels, UV Protected Panels, TMG-GH820-description-image


  • Exact floor footprint: 7-3/4’ (W) x 20-1/4’ (L)
  • Sidewall height: 62”
  • Ridge height: 89”
  • Truss spacing: 24”
  • Bi-parting swing open door: 43” (W) x 72” (H)
  • Polycarbonate panel wall: Twin wall, 4 mm thick
  • Roof vents: 4
TMG Industrial 8' x 20' Aluminum Frame Greenhouse w/4 mm Twin Wall Polycarbonate Panels, UV Protected Panels, TMG-GH820-specifications-image

Shipping Information

The order will ship from one of our warehouses in Canada or the United States. Under normal circumstances it will take us 2 to 3 business days to process the order and ship it. It will take up to 10 to 15 business days for the order to get to you based on where you are located and how accessible the location is.

  • This product is packed in a wood crate shipping box
  • Shipping dimension: 75” x 30” x 17” (L x W x H)
  • Shipping weight: 250 lb
Shipping from one of our warehouses in the United States
What happens after you place your order?
TMG Industrial 8' x 20' Aluminum Frame Greenhouse w/4 mm Twin Wall Polycarbonate Panels, UV Protected Panels, TMG-GH820-shipping-info-image

Product Description

The TMG-GH820 Aluminum Frame Greenhouse is a sleek, professional growing structure for hobbyists and commercial growers alike. UV protected 4 mm twin wall polycarbonate panels protect your sprouts, seedlings and flowers from the elements while still allowing direct sunlight to diffuse through for warmth and optimal growing conditions. This greenhouse is built with a rust resistant and corrosion free aluminum frame and ground base bars for a strong, stable and long-lasting solution for healthy plant growth.

Your plants will have plenty of room to grow and flourish under the approximately 160 sq-ft of covered space. Solar energy will seep through from all angles and be stored in the soil and inside the structure for a beautiful, budding ecosystem. There are also manual roof vents to help regulate air flow, and a rain gutter to direct falling moisture from the outside.

TMG Industrial carries a wide variety of cold frame tunnel greenhouse grow tents designed for needs from a backyard hobby gardener to a sizeable commercial produce grower. With over 30 different sizes and styles available, TMG Industrial has become one of the leading cold frame greenhouse distributors within Canada and the USA. Other greenhouse models: TMG Industrial Greenhouses

Additional Info

Engineering drawings are not available for this model.

Please check with your local municipality bylaws to ensure compliance. It is the customers' responsibility to provide any necessary drawings to obtain any permits that may be required.


We're here to support you. This product is backed with our 1-year manufacturer warranty. Customer support and spare parts are offered from our headquarters located in Richmond, BC.

More Information
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In-Store Pickup orders are ready by appointment only, 24 hours after payment has been received
Credit card owner must be on site with ID and credit card used to place the order
If the order is arranged for a third party pickup (a freight company, family members or friends), the order must be paid through EFT (electronic fund transfer).
Hours: Mon-Fri 9AM-4PM local time
In-Store Pickup orders must be picked up within 5 business days, after which the discount price is voided.

Warehouse Pick-up Price Promo

Only to in-person self-pickup at our Warehouses in Kent.

This offer is not applicable with any other promotions or for online orders, and is limited to one item per person only.

Please note that prices are subject to change.
Promo price is available from Nov 20th to Dec 1st
Hours: Mon-Fri 9AM-4PM local time
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