tuphen
tuphen Green Steel Trellis 70.75" x 35.5" x 35.5
A portable steel-frame greenhouse with two 140 GSM PE covers transmitting 85% sunlight, roll-up mesh and plastic windows, and a sloped roof for wind stability
- TypeTrellises
- ColorGreen
- Frame MaterialSteel
- Double protection with 140 GSM PE cover lets 85% sunlight through while shielding plants from UV
- Extend the growing season in milder climates with an isolated space that buffers temperature swings
- Zippered roll-up sidewalls and windows give full control over ventilation and humidity levels
- Sloped roof prevents sagging; bury frame edges for extra stability against wind and rain
- Compact 70.75" L x 35.5" W x 35.5" H footprint fits small gardens and patios
Portable Greenhouse for Season Extension
The tuphen Green Steel Trellis creates an isolated growing space measuring 70.75" L x 35.5" W x 35.5" H. A steel frame supports two 140 GSM PE covers that maintain humidity and block UV while transmitting 85% of sunlight. Gardeners can use one cover in warm months and add the second when temperatures drop.
Steel Frame with Dual Covers and Ventilation
The powder-coated steel structure features a sloped roof to prevent water pooling and extended edges designed for burial to anchor against wind. Two roll-up sidewalls with zippered openings provide adjustable airflow, while mesh and plastic windows sized 27.25" L x 46" W and 23.5" L x 19.75" W offer additional ventilation control.
Replaces Cold Frames and Single-Layer Tunnels
This unit upgrades basic cold frames by adding a second insulating layer and structured ventilation for precise climate management. The jump is worthwhile for growers in milder zones who need reliable shoulder-season protection without a permanent glasshouse. It does not suit gardeners requiring heated winter production or walk-in headroom.
Highlights
- Double protection with 140 GSM PE cover lets 85% sunlight through while shielding plants from UV
- Extend the growing season in milder climates with an isolated space that buffers temperature swings
- Zippered roll-up sidewalls and windows give full control over ventilation and humidity levels
- Sloped roof prevents sagging; bury frame edges for extra stability against wind and rain
- Compact 70.75" L x 35.5" W x 35.5" H footprint fits small gardens and patios
Specifications
| Type | Trellises |
|---|---|
| Color | Green |
| Frame Material | Steel |
Questions about this item
How much sunlight does the 140 GSM PE cover transmit?
The cover lets 85% of nourishing sunlight through while protecting plants from UV scorching and maintaining high humidity levels inside the greenhouse.
What ground preparation is needed for the 70.75" L x 35.5" W frame?
Bury the ground frame and extended edges deep in the soil to anchor the 70.75" long by 35.5" wide steel structure against wind and rain.
How do the roll-up sidewalls and zippered windows operate for ventilation?
Zippered roll-up sidewalls provide access, while the 27.25" L x 46" W PE mesh window and 23.5" L x 19.75" W plastic window open to control temperature and humidity.
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