TMG Industrial TMG-GH821 8' x 20' Greenhouse with Galvanized Steel Frame

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this item condition is new

Special Order


usually ships within 10-15 business days
CA$2,499.00
Model No: TMG-GH821
Website Product ID: 77438

The TMG-GH821 Greenhouse is a high-quality solution for backyard gardeners and commercial growers looking to extend their growing season. Featuring UV-protected 4 mm twin-wall polycarbonate panels, this greenhouse allows sunlight to diffuse evenly while protecting plants from harsh weather. The crystal-clear poly walls not only support healthy plant growth but also give the structure a clean, modern look that blends beautifully into any backyard setting. A galvanized steel frame with ground base bars provides a stable and durable structure, ideal for year-round use in a variety of climates.

With approximately 160 square feet of growing space, there’s plenty of room for vegetables, herbs, flowers, and seedlings to thrive. Manual roof vents help regulate airflow and temperature, while the greenhouse design retains solar heat to create a warm, consistent environment. The TMG-GH821 offers a professional growing space built for lasting performance and healthy plant development.

TMG Industrial carries a wide variety of cold frame tunnel greenhouse grow tents designed for needs from a backyard hobby gardener to a sizeable commercial produce grower. With over 30 different sizes and styles available, TMG Industrial has become one of the leading cold frame greenhouse distributors within Canada and the USA. Other greenhouse models: TMG Industrial Greenhouses

Features

Durable & Weather-Resistant

The galvanized steel frame resists rust and corrosion, ensuring long-lasting outdoor use.

Warm & Energy-Efficient

Twin-wall 4 mm polycarbonate panels trap solar heat and diffuse sunlight to keep plants cozy.

UV-Protected & Naturally Bright

Crystal-clear panels let in sunlight while blocking UV rays—no need for artificial lighting.

Spacious & Accessible

A wide 44" door provides easy access for tools, carts, and new plants.

Ventilated & Simple to Assemble

Manual roof vents control airflow, and the panels lock into place for quick setup.

Specifications

  • Exact floor footprint: 7-4/5’ (W) x 19-2/3’ (L)
  • Sidewall height: 69”
  • Ridge height: 97”
  • Truss spacing: 39”
  • Bi-parting swing open door: 44” (W) x 78” (H)
  • Polycarbonate twin-wall roof and clear solid walls
  • Roof vents: 2

Includes

(1)TMG-GH821  8' x 20' Greenhouse with Galvanized Steel Frame