• Overall Dimensions (m): 9 x 12 m
• Footprint (sq m): 108 sq m
• Peak Ceiling Height (m): 4.0 m
• Truss Tubes (mm): ⌀58 mm – 1.7 mm
• Truss Tube Material: Q195
• Truss Spacing (m): 1.3 m
• Purlin Tubes (mm): ⌀42 mm – 1.3 mm
• Number of Truss Groups: 10
• Peak Height (m): 4.0 m
• Sidewall Height (m): 1.4 m
• Door Size (W x H) (m): 2.2 x 2.0 m
• Number of Doors: 2, one on each end
• Roll-up Sides (m): 1.2 m
• Cover Type: 6 mil clear EVA film
• Cover Thickness (mm): 0.15 mm
• Light Transmittance: 92% – 96%
• Light Diffusion: 20%
• Thermal Effect: 80%
• Anti-fogging & Anti-dripping: Yes
• Film Life Span: 36 months
• Horizontal Wood Sides Included: No
• Footplate Dimensions (mm): 150 x 150 mm
• Foundation Size (m): 9.3 x 12 m
• Foundation Required: Concrete slabs, solid wood or equivalent
• Anchoring: Sleeve anchor bolts (included)
• Net Weight (kg): 732 kg
• Shipping Dimension (cm): 221 x 74 x 112 cm
• Shipping Weight (kg): 844 kg

Your order will be shipped from our warehouse in Australia. Typically, we process and ship orders within 2 to 3 business days. Delivery time varies based on your location and accessibility, with most orders arriving within 10 to 15 business days.

• This product is packed in a metal crate shipping box
• Shipping dimensions: 221 x 74 x 112 cm (L x W x H)
• Shipping weight: 844 kg

We know that when you invest in equipment, you're counting on it to perform day in and day out. At TMG Industrial, that trust means everything to us. That’s why we include a 1-year Warranty with every product we sell—because you deserve confidence with every purchase.

Our warranty is there to make sure your equipment stays reliable across the seasons, covering any issues caused by manufacturing defects in materials or workmanship. From fieldwork to property maintenance, you can count on your TMG equipment to deliver.

More than just warranty coverage, we’re committed to supporting you throughout the life of your machine. Our customer service team is here to help, whether you need technical advice, troubleshooting, or parts support.

For full warranty terms, please see our warranty policy

• Q: What is the TMG-GH3040 Tunnel Greenhouse Grow Tent designed for?
  A: The TMG-GH3040 is designed for safe, secure, and covered outdoor cultivation of a variety of plants, providing a protected space from harsh weather conditions.
• Q: What are the overall dimensions of the TMG-GH3040?
  A: The assembled size of the shelter is approximately 9 metres (30 feet) wide by 12 metres (40 feet) long, with a peak ridge height of 4 metres (13 feet). This provides about 108 square metres (1200 square feet) of covered space.
• Q: What is the door clearance?
  A: The bi-parting swing doors offer a clearance of approximately 2.2 m (88 inches) wide by 2.0 m (78 inches) high on both end walls.
• Q: What is the frame made of?
  A: The shelter features a commercial-grade, galvanized steel frame structure. This makes it long-lasting, dependable, and resistant to rust, wear, and corrosion, even in diverse climates.
• Q: What type of clear film is used for the cover?
  A: The cover is made from a heavy-duty, commercial-grade, 6 mil clear EVA (ethylene vinyl acetate) film. This film is treated for 92% - 96% light transmittance, 80% thermal effect, and has anti-fogging/anti-dripping properties.
• Q: Does the shelter offer good ventilation?
  A: Yes, the TMG-GH3040 includes 1.2 m (4 ft) hand crank roll-up sides for excellent cross-ventilation, which also helps reduce condensation and control temperature.
• Q: Is the TMG-GH3040 easy to assemble?
  A: Yes, the shelter is designed for relatively easy DIY installation. It comes with heavy-duty footplates with pre-drilled holes for securing the structure to a proper foundation.
• Q: What is the warranty on the TMG-GH3040 Tunnel Greenhouse Grow Tent?
  A: It is backed by a 1-year manufacturer warranty. This covers defects in materials and workmanship.
• Q: Are replacement covers available?
  A: Yes, replacement covers are available for order. Please contact TMG Industrial or visit TMG’s online parts store for details.