Product Description

The Grandio Ascent 8x24 is Grandio's traditional 8-foot-wide walk-in greenhouse, with the steel base kit and snow load kit included in the box. It gives you 192 square feet of growing space under a 7' 9" peak, on a powder-coated aluminum frame glazed with 6mm twin-wall polycarbonate, which diffuses sunlight and holds heat better than single-wall glazing. The kit comes with 6 roof vents, built-in rain gutters, steel base kit and snow load kit, and Grandio includes the assembly tools.

Accessories upgrade: what's included

Choose Add accessories upgrade to receive:

  • 6 automatic roof vent openers (one per roof vent)
  • 2 packs of 10 plant hangers
  • 1 trellis kit
  • 1 drip irrigation kit
  • 1 bottle of polycarbonate-safe panel cleaner (8 oz)

Key features

  • 6mm twin-wall polycarbonate – insulating, UV-protected panels that spread light evenly and cut down on hot spots.
  • Powder-coated aluminum frame – 1.2 mm powder-coated aluminum (green); rust-proof and rated by Grandio for up to 25 lb/ft² of snow and winds up to 76 mph when properly anchored.
  • 6 roof vents – adjustable ventilation; each vent accepts a Grandio automatic opener that works without electricity.
  • Bind-resistant double sliding doors – 3' 6" wide x 6' tall, with an easy latch and double ball catch.
  • Built-in rain gutters – carry roof runoff away from the foundation.
  • Steel base and snow load kits included – ready for wood, concrete or dirt installs without extra foundation parts.
  • Back door option – the Grandio Ascent Back Door Transformation Kit turns the rear wall into a second double door for walk-through access and cross-breezes.

Good fit for

  • Year-round vegetable, herb and flower growing
  • Starting seedlings weeks ahead of the outdoor season
  • Overwintering citrus, tropicals and tender perennials
  • Gardeners who want a full walk-in greenhouse with the foundation kit included

Specifications

Exterior size (W x L) 8' x 24' (192 sq ft)
Peak height 7' 9"
Roof style Peaked
Frame 1.2 mm powder-coated aluminum (green)
Panels 6mm twin-wall polycarbonate
Doors Bind-resistant double sliding, 3' 6" wide x 6' tall
Latch Easy latch with double ball catch
Roof vents 6
Rain gutters Built-in
Steel base kit Included (powder-coated steel)
Snow load kit Included
Snow load rating Up to 25 lb/ft² (Grandio rating)
Wind rating Up to 76 mph when properly anchored (Grandio rating)
Anchor options Wood, concrete, dirt
Back door kit Available
Extendable No
Assembly tools Included
Manufacturer SKU ASCENT-824

What's in the box

  • Grandio Ascent 8x24 greenhouse frame, 6mm twin-wall panels and doors
  • 6 roof vents and built-in rain gutters
  • Steel base kit and snow load kit
  • Anchoring hardware for the anchor type you select
  • Stainless steel hardware, assembly tools and instruction manual

Choosing your anchor type

  • Wood – for mounting on a deck, timber frame or wood platform. Includes the wood anchoring hardware.
  • Concrete – for a slab, patio or other hard surface. Includes the concrete anchoring hardware.
  • Dirt – for installing on soil. Uses the included steel base kit with dirt anchors.

Manufacturer warranty

Grandio lists a lifetime warranty on the aluminum frame and a 15-year warranty on the polycarbonate panels, covering manufacturer defects. Assembly questions and missing or damaged parts are handled directly by Grandio's support team, and we'll help connect you.

Before you build

Pick a level, well-drained spot with at least six hours of direct sun, and check local building codes, permit rules and HOA requirements before you start. The greenhouse must be anchored to its foundation to reach its rated wind and snow performance. Assembly goes much faster with a second person.

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