Grandio | Summit 12x12 Greenhouse | SUMMIT-1212
Grandio | Summit 12x12 Greenhouse | SUMMIT-1212 - Basic is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
We offer fast and reliable shipping across the continental U.S., with free shipping available on most orders (exclusions may apply based on brand and product type). Orders are typically processed within 1–2 business days and transit time is usually 4–7 business days. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your contact details are accurate at checkout. For questions about delivery timelines, shipping eligibility, or special requests, feel free to contact us directly. See Policy.
Do You Offer Financing?
Do You Offer Financing?
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ACORN + APPROVE Financing - For larger purchase and businesses, ACORN and APPROVE offers flexible financing designed around their goals. Complete a 60-second application and connect with leading lenders—no effect on your credit score.
Price Match Guarantee
Price Match Guarantee
We’re committed to offering the best online prices—if you find a lower price from an authorized retailer, we’ll beat it. Our 100% Price Beat Guarantee excludes promotions, auction sites, and exchanges, and factors in item price, tax, and shipping. For price match inquiries, contact us at (833) 932-9683
Why Pick the Summit 12x12 Greenhouse Kit for Your Garden?
Overview
Looking for a sturdy, good?looking greenhouse you can rely on year after year? The Summit 12x12 uses a rugged aluminum frame and thick polycarbonate panels to protect plants from the weather. Its roomy barn-style shape adds charm to any yard while giving you plenty of space to grow.
Benefits
- Strong and weather-ready: Heavy-duty 1.6mm aluminum frame with 10mm twin-wall panels. UV protected, with an R-value around 1.89 and a U-value near 0.53, helping keep temps steady.
- Great airflow and easy access: Six roof vents plus smooth, easy-glide double doors. Doors are mounted to avoid sticking and built to last.
- Added convenience and stability: Rain gutters, a drain kit, an extreme snow load kit, and a flat mount anchor kit. Nylon door wheels and lockable handles add security and practicality.
Features
- Frame: Heavy Duty Aluminum
- Color: Powder-Coated Green
- Panels: 10mm Twin-wall UV-protected Polycarbonate
- Doors: Bind-resistant Sliding Double doors
- Latch: Magnetic latch doors with key lock
- Reinforcement: Cross-roof truss and cross-corner bracing
- Hardware: Stainless steel nuts and bolts
- Rain Gutters: Yes
- Ventilation: 6 Roof vents with adjustable manual openers/latches
- Wind Rating: Withstands winds up to 76 mph
- Snow Rating: Maximum snow load of 25 lbs/ft²
- Warranty: Lifetime on the frame; 10-year on panels
Specifications
- Frame: Heavy Duty Aluminum
- Color: Powder-Coated Green
- Panels: 10mm Twin-wall UV-protected Polycarbonate
- Doors: Bind-resistant Sliding Double doors
- Latch: Magnetic latch doors with key lock
- Reinforcement: Cross-roof truss and cross-corner bracing
- Hardware: Stainless steel nuts and bolts
- Rain Gutters: Yes
- Ventilation: 6 Roof vents with adjustable manual openers/latches
- Wind Rating: Up to 76 mph
- Snow Rating: Up to 25 lbs/ft²
- Actual Size: 12' W x 12' L x 9.25' H
- Door Size: 41.5" W x 85" H
- Warranty: Lifetime frame / 10-year panels





