Built for a serious grower who wants a 12 foot wide greenhouse with bracing for heavy snow and room to grow at scale.
The Grandio Summit 12x28 is the widest series in the Grandio range: 12 feet wide, with 10mm twin-wall polycarbonate panels, an extreme snow load kit and cross roof trusses with cross corner bracing. It comes with 14 roof windows, built-in rain gutters, a drain kit and lockable double sliding doors.
What's included
- Powder-coated aluminum frame
- 10mm twin-wall polycarbonate panels
- 14 roof windows
- Built-in rain gutters and a drain kit
- Extreme snow load kit
- Cross roof truss and cross corner bracing
- Lockable double sliding doors with a magnetic latch
- Assembly tools
Choose your foundation
Wood or concrete: the kit mounts flat on a deck, a wood frame or a concrete pad. Dirt: adds the Grandio Summit steel base kit with dirt anchors, so the greenhouse can go directly on leveled ground.
Premium Upgrade
Adds 14 automatic roof window openers, 2 packs of 10 plant hangers, a trellis kit, a drip irrigation kit and 2 bottles of greenhouse cleaner.
Free Premium Upgrade through October 31. Choose Premium Upgrade under Package and the automatic roof window openers, plant hangers, trellis kit, drip irrigation kit and greenhouse cleaner come with your greenhouse at no extra cost.
Warranty
Grandio covers the aluminum frame for life and the polycarbonate panels for 10 years, for the original purchaser.
Delivery and assembly
Ships free to the lower 48, directly from Grandio. Assembly is a DIY job with the included instructions and hardware.
Good to know
- Distinct Picks is an authorized Grandio Greenhouses dealer.
- For home and garden use.
