Tunnel Greenhouse Building – 30x40x12 & 30x80x12 FT Heavy-Duty Hoop House Structure

Heavy-Duty Tunnel Greenhouses 9.1 m x 12.2 m (30 ft x 40 ft) & 9.1 m x 24.4 m (30 ft x 80 ft)

Extend your growing season and protect your crops from harsh weather with these heavy-duty tunnel greenhouses. Built with a rugged galvanized steel frame and covered in high-clarity EVA film, these hoop houses create a controlled, reliable environment for commercial growing, market gardens, or large farm operations. The full-length roll-up sides give you instant control over airflow and interior temperatures. We stock these heavy-duty agricultural structures and replacement covers at wholesale prices to ensure you get real value for the dollar on your farm equipment.

Key Features:

• Heavy-Duty Steel Frame: Constructed with 15-gauge truss arches and 17-gauge horizontal purlins made of galvanized steel to withstand heavy winds and outdoor elements.
• High-Clarity EVA Film: Includes a 0.15 mm (6-mil) clear EVA plastic cover that delivers 92 to 96 percent light transmittance and 20 percent light diffusion to reduce crop stress.
• Climate Control: Features 1.2 m (4 ft) manual hand-crank roll-up sides and anti-fogging film properties for rapid ventilation and moisture management.
• Secure Installation: Comes equipped with aluminum lock channels and wiggle wires for fast, tight, and secure attachment of the greenhouse film.
• Large Access Doors: Built with wide bi-parting swing doors on both ends to easily accommodate wheelbarrows, tillers, and small agricultural equipment.

Specifications:

• Available Sizes: 9.1 m x 12.2 m x 3.7 m (30 ft W x 40 ft L x 12 ft H) or 9.1 m x 24.4 m x 3.7 m (30 ft W x 80 ft L x 12 ft H)
• Truss Arches: 58.4 mm (2.3") diameter, 15-gauge steel
• Horizontal Purlins: 41.9 mm (1.65") diameter, 17-gauge steel
• Bay Spacing: Approximately 127.0 cm (50")
• Door Dimensions: 223.5 cm W x 198.1 cm H (88" W x 78" H) on both ends
• Important Note: Base foundation and horizontal 2.5 cm x 15.2 cm (1" x 6") treated wood side boards are required but not included.

Available Models & SKUs:

SKU	Dimensions	Configuration
GH304012	9.1 m x 12.2 m (30 ft x 40 ft)	Complete Greenhouse Kit (Frame + Cover)
GH308012	9.1 m x 24.4 m (30 ft x 80 ft)	Complete Greenhouse Kit (Frame + Cover)
Replacement	9.1 m x 12.2 m (30 ft x 40 ft)	Replacement Cover Only (Frame Not Included)
Replacement	9.1 m x 24.4 m (30 ft x 80 ft)	Replacement Cover Only (Frame Not Included)

Perfect For:

• Commercial farming operations and market gardens
• Nurseries and large-scale hobby growers
• Extending growing seasons in unpredictable climates
• Replacing torn or aged film on existing compatible hoop house frames