TMG-GH1230 12′ x 30′ Tunnel Greenhouse Grow Tent

Original price was: $1,995.00.Current price is: $1,750.00.

Establish a highly regulated, high-yield growing environment with the TMG-GH1230 Tunnel Greenhouse. Engineered with a corrosion-resistant galvanized steel framework and an advanced 6 mil EVA plastic canopy, this structure delivers 360 square feet of optimized, year-round crop protection. Designed for dedicated hobbyists and commercial growers, it maximizes solar retention while allowing for precise manual climate control.

Only 1 left in stock (can be backordered)

Free shipping eligibility: this TMG, Stinger, or fuel tank up to 500 gallons qualifies on a Lower 48 order over $1,000. Items over 96 inches, fuel trailers, bridges, loading ramps, and larger fuel tanks require a freight quote.

Key Features

  • Optimized Solar Transmittance: The commercial-grade 6 mil clear EVA plastic film yields 92%–96% light transmittance and an 80% thermal effect. Integrated anti-fogging and anti-dripping properties protect sensitive seedlings.

  • Precision Climate Control: Dual 4′ hand-crank roll-up sides allow operators to instantly regulate internal ventilation, temperature, and humidity levels.

  • Commercial Framework: Constructed with a rust-resistant galvanized steel frame featuring 18 GA (⌀1.25”) truss arches and 19 GA (⌀1”) horizontal purlins, utilizing a 50″ bay spacing to reinforce structural integrity.

  • Streamlined Access: A standard 4’ W x 6’ H walk-through door ensures straightforward entry for personnel, materials, and cultivation tools.

  • Secure Film Fastening: Integrated aluminum lock channels and steel wiggle wires guarantee the EVA cover remains tightly tensioned in adverse weather conditions.

Technical Specifications

  • Model: TMG-GH1230

  • Floor Footprint: 13’ W x 30.8’ L (Approx. 360 sq-ft)

  • Peak Ceiling Height: 7’

  • Frame Structure: Galvanized steel (⌀1.25” arches / ⌀1” purlins)

  • Cover Material: 6 mil clear EVA plastic film (Replacement covers available)

  • Hardware Included: Lock channels, wiggle wires, and heavy-duty footplates

  • Foundation Requirement: Concrete slab, solid wood, or equivalent

  • Note: Horizontal 1×6 treated wood sides are not included. Engineering drawings are not provided.

Shipping & Delivery

  • Processing Time: 2–3 business days

  • Transit Time: 10–15 business days (subject to location and site accessibility)

  • Packaging Type: Secure wood shipping crate

  • Shipping Dimensions: 87” L x 29” W x 13” H

  • Shipping Weight: 405 lbs

Before You Order

  • TMG and Stinger items, plus fuel tanks up to 500 gallons, receive free shipping to the lower 48 states when the cart subtotal exceeds USD 1,000 and the item is not oversized.
  • Products longer than 96 inches, fuel tanks over 500 gallons, fuel trailers, bridges and loading ramps require a freight quote before shipment.
  • Other items below USD 1,000 are available for customer pickup by appointment at Cliffhouse Buildings in Gravois Mills, Missouri; you collect the item and no delivery is included.

Need help before ordering? Call 660-858-8251 or contact us with your delivery ZIP code and equipment details.

Why Order From Cliffhouse Buildings?

  • Missouri-based support for equipment, shelters, attachments, fuel systems, and jobsite products.
  • Secure online checkout with freight and pickup guidance before fulfillment.
  • Customer pickup is available by appointment; you collect the item in Gravois Mills, MO, and no delivery or freight is included. Freight eligibility and delivery costs vary by product and destination.
Load out assistance at Cliffhouse Buildings. We have staff and equipment for loading customer purchases.
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