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- USA
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
For Your Every Summer RSVP, with Code: SUMMER15
Description
Grandio Summit GreenhouseGrandio Summit Greenhouse If you need a large greenhouse to really spread out, look no further. The Summit is our largest greenhouse kit in both width and height a fantastic choice for serious home gardeners, commercial operations, school programs, and community gardens. Features our heaviest duty frame, 10mm twin wall panels, massive sliding doors, over 9 feet of headroom, and 12 feet of width! Available in sizes from 128 up to 1232. Key Features 12
Grandio Summit Greenhouse
If you need a large greenhouse to really spread out, look no further. The Summit is our largest greenhouse kit in both width and height — a fantastic choice for serious home gardeners, commercial operations, school programs, and community gardens. Features our heaviest-duty frame, 10mm twin-wall panels, massive sliding doors, over 9 feet of headroom, and 12 feet of width! Available in sizes from 12×8 up to 12×32.
Key Features
- 12-Foot Width: Widest Grandio greenhouse — room for center aisles, multiple bench rows, and equipment
- 9+ Feet of Headroom: Stand up straight, work tall crops, hang trellises or fans with room to spare
- 10mm Twin-Wall Polycarbonate: Premium insulation, R-value 1.89 — ideal for year-round growing in all climates
- Heaviest-Duty Frame: Extra-thick aluminum profiles engineered for the largest greenhouse size, built to handle maximum wind and snow loads
- Massive Sliding Doors: Wide double-door opening on a top-hung track — no jamming, easy access for tractors and carts
- Roof Vents: Integrated ventilation for temperature control during hot months
Available Sizes
- 12×8: Entry-level wide greenhouse
- 12×12: Square layout, versatile for any growing style
- 12×16: Serious growing space
- 12×20: Commercial-scale footprint
- 12×24: Maximum growing capacity
- 12×28: Extended length for row crops or extensive bench systems
- 12×32: The biggest — full commercial greenhouse
Anchor Kit Options
- No Anchor Kit: If you have a prepared foundation ready
- Flat Mount Concrete/Wood: Mount to concrete slab or wooden deck
- Base Kit Earth Anchor: Powder-coated steel base designed to be buried in the ground or backfilled with gravel — recommended for most Summit installs
The Summit is the greenhouse for growers who need maximum space and durability. Whether you're running a nursery, teaching students, or just want more room to grow, this is the one.
Call us at (307) 417-6686 for help with sizing, site prep, or freight shipping quotes.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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