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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 sources to provide financing for you if needed.

Call one of our Sales Representatives to learn more about your financing options.