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GR Elite Greenhouse Kits

This beautiful barn-style greenhouse gives you a year-round growing space in an attractive, heavy duty aluminum frame and 10mm twin-wall panels.
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  • Height: 8′
  • Width: 8′ 2″
  • Length: 8′ 1″
  • Frame: Heavy-duty aluminum
  • Wind Rating: Withstands winds up to 76 mph*
  • Snow Rating: Maximum snow load of 25lbs./ft² of snow*
  • Color: Powder-coated green
  • Panels: 10mm twin-wall UV-protected polycarbonate.
  • Door Width: 44″
  • Doors: Bind-resistant sliding double doors.
  • Latch: Easy-latch doors with double-ball catch
  • Tools: Included
  • Hardware: Stainless steel nuts and bolts
  • Reinforcement: Cross-roof truss and cross-corner bracing
  • Gutters: Built-in rain gutters
  • Ventilation:  roof vents with adjustable manual openers/latches
  • frame Warranty: Lifetime
  • coervingWarranty: 10 years
  • GR Elite Greenhouse Kits and accessories ship free to the lower 48 states.

Basic Kit Includes:

  • 10mm Twin-Wall Panels
  • Roof Windows
  • Base Kit
  • Rain Gutters
  • Snow Load Kit

Premium Kit Includes:

  • 10mm Twin-Wall Panels
  • Roof Windows
  • Base Kit
  • Rain Gutters
  • Snow Load Kit
  •  Auto Roof Vent Openers
  • (1) Pack Plant Hangers
  • (1) Trellis Kit
  • (1) Drip Kit
  • (1) 8 oz. Brillianize Cleaner
SizeVentsDoorNumber Of Doors:

 8’2″ W x 8’2″ L x 8′ H

244″W x 74 "H1

8’2″ W x 12′ L x 8′ H

344″W x 74 "H1

8’2″ W x 16′ L x 8′ H

442″W x 72 1/16" "H1

 8’2″ W x 16′ L x 7’9″ H

444″W x 74 "H1

 8’2″ W x 19’11” L x 8′ H

544″W x 74 "H1

 8’2″ W x 23’10” L x 8′ H


44″W x 74 "H



  1. Rugged Durability:

    • Engineered to perform in harsh environments, making it one of the most insulated greenhouses on the market.
  2. Barn-Shaped Design:

    Elegant and functional design providing ample growing space.
  3. 1.6mm Profile Aluminum Frame:

    The frame is made from a 1.6mm profile aluminum, offering enhanced strength and durability compared to PVC-based barn-style greenhouses.
  4. Resistance to Warping, Melting, and Cracking:

    The aluminum frame is stated to resist warping, melting, or cracking, ensuring longevity.
  5. 10mm Twin-Wall Polycarbonate Panels:

    It provides optimal thickness for winter insulation, contributing to a well-insulated growing space.
  6. Easy-to-Assemble System:

    Designed to be user-friendly with an easy assembly process.
  7. Ventilation:

    Well-ventilated growing space to maintain optimal conditions for plants.
  8. Gliding Double Doors:

    The greenhouse features gliding double doors for convenient access.
  9. Insulation (R) Value of 1.89:

    The insulation value of 1.89 indicates efficient heat retention, which is particularly beneficial in colder climates.
  10. Heat Loss (U) Value of 0.53:

    • A low heat loss value of 0.53 suggests effective insulation and energy efficiency.
  11. Above-Hung Doors:

    • Doors are hung from above, eliminating jamming issues.
  12. Nylon Wheels:

    • Durable nylon wheels for smooth door operation.
  13. Brass Door Wheel Bolt:

    • The door wheel bolt is turned from solid brass with a smooth shank, reducing wheel wear.

Overall Impression:

The GR Elite greenhouse is a high-quality solution for amateur and professional gardeners, emphasizing durability, insulation, and functionality. The combination of a robust aluminum frame, twin-wall polycarbonate panels, and thoughtful design features like above-hung doors and nylon wheels contributes to a greenhouse experience that prioritizes longevity and ease of use. The insulation values suggest an efficient system for maintaining a favorable environment for plant growth, especially during colder seasons.

Order by Phone

Contact one of our toll-free greenhouse experts at 1-800-531-4769 to discuss all the options available to help you grow today.

Get A Quote

Fill out the quote form to receive a custom quote for your greenhouse project.

Financing Available

Gothic Arch Greenhouses works with Finance to provide financing to 

Give one of our Sales Representatives a call to learn more about your financing options