TMG-GH821 8′ x 20′ Greenhouse with Galvanized Steel Frame

Key Features

• Advanced Thermal Insulation: Equipped with 4mm twin-wall polycarbonate roof panels that effectively trap solar heat, maintaining a consistent temperature to support delicate seedlings and year-round plant health.

• UV-Protected Clarity: Features crystal-clear 2mm solid wall panels that allow for maximum natural light penetration while blocking harmful UV rays, eliminating the need for supplemental artificial lighting.

• Durable Structural Integrity: Built with a rust-resistant galvanized steel frame and reinforced ground base bars, ensuring long-term stability and performance in outdoor environments.

• Integrated Airflow Management: Includes manual roof vents that allow for precise regulation of internal temperature and humidity, preventing condensation buildup.

• Wide Accessibility: Features a spacious 44-inch bi-parting swing door, providing ample clearance for easy transport of tools, carts, and large plant containers.

Technical Specifications

• Model: TMG-GH821

• Available Sizes: 8’x10’, 8’x13’, 8’x20’ (this model), 8’x26’

• Exact Floor Footprint: 7-4/5’ W x 19-2/3’ L

• Vertical Dimensions:

  • Sidewall Height: 69”

  • Ridge Height: 97”

• Structural Spacing: 39” truss spacing

• Door Dimensions: 44” W x 78” H (Bi-parting swing door)

• Glazing Materials: 4mm Twin-wall polycarbonate (Roof) | 2mm Clear solid polycarbonate (Walls)

• Ventilation: 2 manual roof vents

Shipping & Delivery

• Processing Time: 2–3 business days

• Transit Time: 10–15 business days (subject to regional freight terminal parameters and site accessibility)

• Packaging Type: Wood crate shipping box

• Shipping Dimensions: 87” L x 45” W x 16” H

• Combined Shipping Weight: 635 lbs