Outsunny Walk-in Polycarbonate Greenhouse 6x4 ft
- Size: 74.8 inches
- Cover Material: Polycarbonate (PC)
- Frame Material: Aluminum
- Number Of Vents: 1
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact walk-in greenhouse with real polycarbonate panels and ventilation controls, best sited in a sheltered spot as the maker recommends.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0CKQD19GTModel: 845-057Category: Greenhouses
Colors Available
Sizes Available
Need a different one? Pick on Amazon →
Overview
A 6 by 4 foot walk-in greenhouse with polycarbonate panels and a heavy-duty aluminum frame, built for backyard or patio use with a sliding door and a rain gutter along the base.
The panels are the core spec here, transparent polycarbonate rather than plastic film or glass, which Outsunny says lets sunlight in while blocking UV and adding insulation over a film greenhouse. A hinged roof vent and sliding door are the two ways to manage heat and humidity once the sun warms the enclosed space. Outsunny recommends placing it against a wall out of the wind and securing it with ground bolts, which suggests the structure benefits from a sheltered spot rather than open ground.
- 6 ft x 4 ft walk-in footprint
- Polycarbonate panel construction
- Hinged roof vent plus sliding door
- Galvanized steel base with rain gutters
Who it's for
Suited to a gardener wanting a walk-in space to start seedlings or grow tropical plants year-round in a backyard or patio corner. Less suited to an exposed, windy site given the maker's own recommendation to place it against a wall.
Pros and cons
- Walk-in size with a sliding door
- Polycarbonate panels block UV, keep insulation
- Hinged roof vent for heat and humidity control
- Rain gutters and galvanized steel base included
- Maker recommends a sheltered, wall-adjacent site, not open ground
- Needs ground bolts for stability
Performance notes
Polycarbonate panels let sunlight through while blocking UV and adding insulation, and the hinged roof vent lets built-up heat and humidity escape rather than cook the plants inside. The sliding door gives walk-in access for moving planters and tools without wrestling with a zippered flap. A galvanized steel base and rain gutters reinforce the aluminum frame and route rainwater away from the structure, and Outsunny recommends siting it against a wall out of the wind with ground bolts for stability.
Specifications
| Brand | Outsunny |
|---|---|
| Model | 845-057 |
| Dimensions & fit | |
| Size | 74.8 inches |
| Item Weight | 54 pounds |
| Item Dimensions L x W x H | 74.8 × 52 × 79.2 inches |
| Weight Capacity | Maximum weight: 8.2 pounds |
| Construction & materials | |
| Cover Material | Polycarbonate (PC) |
| Frame Material | Aluminum |
| Color | Gray |
| Included components | |
| Unit Count | 1 |
| Number of Packs | 1 |
| Included components | Door, Vent, Rain Gutter |
| Other details | |
| Number Of Vents | 1 |
| Indoor Outdoor Usage | Outdoor |
| Door Style | Sliding Door |
| Closure Type | Slide |
| Number of Doors | 1 |
| Number of Items | 1 |
| Nominal Wall Thickness | 0.2 inches |
| Item Type Name | Greenhouse |
| Special Features | Heavy Duty |
Closest rivals on specs
Quictent Mini Tabletop Greenhouse 71x36x36 in- Item Weight 54 vs 7 pounds (+671%)
Ohuhu Lean-to Tomato Greenhouse 6.6x2.5x5.6 ft- Item Weight 54 vs 6.61 pounds (+717%)
Frequently asked questions
What are the panels made of?
Transparent polycarbonate, chosen to let sunlight in while blocking UV and adding insulation over the enclosed space.
Where should I place it?
Outsunny recommends siting it against a wall out of the wind and securing it with ground bolts for stability.
How do I control heat inside?
A hinged roof vent lets excess heat and humidity escape, and the sliding door can be opened to vent or closed to seal the space.