Verified
Tunnel design is rock solid
"The round tunnel shape sheds wind way better than a peak roof in my open valley. Zero cover flap even in storms."
Miguel A.
San Luis Obispo, CA · April 21, 2026
Walk-In Tunnel Greenhouse
300 Sq. Ft.,
Every Season.
The TMG-GH1030R gives you a full 300 sq. ft. of walk-in growing space with a round-top tunnel roof, UV-treated ripstop cover, and 8 roll-up mesh windows — serious space for serious growers.
$899.00$1,399.00SAVE $500
4.9·51 reviews onTrustpilot
As low as $75/mo · 0% APR financing available at checkout
Only 4 left · Ships from LA, NJ, IL, TXOnly 4 left · Ships from 4 warehouses in LA, NJ, IL, TX
28viewing now6sold today
- 📐10' x 30' footprint — 300 sq. ft. of growing space
- 🏠Round-top roof sheds rain and snow effortlessly
- 🌤️UV-treated ripstop leno cover for year-round growing
- 🪟8 roll-up mesh windows for airflow, no bugs
- 🚪Two full-height zippered doors on each end
- ⛺Powder-coated steel frame + anchors & ropes included
1
30-Day
Money Back
Free
Freight Shipping
1-Year
Warranty
Secure
Stripe Checkout
🔥 In Stock — Free Freight Included
"This tunnel is huge — I've got three long rows going and still room to walk with a cart. Frame is rock-solid through a Prairie winter."
Marcus L. — Market Gardener
FREE FREIGHT ON ORDERS $500+
LIMITED STOCK — ACT FAST
SHIPS IN 3–7 BUSINESS DAYS
1-YEAR WARRANTY INCLUDED
REAL U.S.-BASED SUPPORT
BUILT FOR 15–45HP TRACTORS
FREE FREIGHT ON ORDERS $500+
LIMITED STOCK — ACT FAST
SHIPS IN 3–7 BUSINESS DAYS
1-YEAR WARRANTY INCLUDED
REAL U.S.-BASED SUPPORT
BUILT FOR 15–45HP TRACTORS
FREE FREIGHT ON ORDERS $500+
LIMITED STOCK — ACT FAST
SHIPS IN 3–7 BUSINESS DAYS
1-YEAR WARRANTY INCLUDED
REAL U.S.-BASED SUPPORT
BUILT FOR 15–45HP TRACTORS
Built To Grow Big.
A commercial-grade walk-in tunnel greenhouse designed for serious growers — protect your crop and extend your season every year.
10' x 30' Walk-In Tunnel
A massive 300 sq. ft. of walk-in growing space with a round-top tunnel design — room for rows of crops, tables, and carts.
Round-Top Roof
Round-top profile sheds rain and snow easily while giving you the maximum interior head-height of any TMG greenhouse.
Ripstop Leno Cover
UV-treated ripstop leno tarp lets light in and resists tears, rot, and harsh weather season after season.
8 Roll-Up Mesh Windows
Eight roll-up mesh side windows deliver crossflow ventilation while keeping insects out of your crop.
Two Zippered Doors
Full-height zippered doors on both ends — walk in with wheelbarrows, carts, or pallets end-to-end.
Powder-Coated Steel Frame
Rust-resistant powder-coated tubing frame with ground anchors and tie-down ropes included for day-one setup.
Specifications
- Model
- TMG-GH1030R
- Footprint
- 10' W × 30' L (300 sq. ft.)
- Roof Style
- Round-top tunnel
- Peak Height
- 7' 6"
- Side Height
- 5' 3"
- Frame
- Powder-coated steel tubing
- Cover
- UV-treated ripstop leno tarp
- Doors
- 2 full-height zippered doors
- Windows
- 8 roll-up mesh side windows
- Included
- Ground anchors + tie-down ropes
- Warranty
- 1-year manufacturer
What Growers Are Saying
Real reviews from verified TMG Industrial customers putting this machine to work every day.
Customer photos
39
Verified
Best price I could find
"Compared 5 brands at this size — TMG was the only one under $1,000 with roll-up windows included."
Hannah P.
Vermont, VT · April 02, 2026
Verified
300 sq ft of growing space
"Fits four raised beds and a potting bench with room to walk. Doors on both ends make wheelbarrow access easy."
Devon L.
Kamloops, BC · March 18, 2026
Verified
Good, plan for anchoring
"Structure is great but budget for ground anchors or concrete piers — the included stakes are just a starting point."
Renee K.
Duluth, MN · February 24, 2026
Verified
Two-person assembly
"Wife and I put it together in a weekend. No welding, everything bolts up. Clear labels on the frame parts."
Grant W.
Modesto, CA · February 07, 2026
Verified
Held up through winter
"Brushed snow off after storms and the frame handled it. Cover is still crystal clear after 4 months outside."
Ivy S.
Fredericton, NB · January 12, 2026
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1-Year Warranty
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Free Freight on $500+
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Real experts (1-888-467-5788)
Farmer Approved
Trusted by landowners across the country
Serious Space,
Serious Grower.
Free freight. 1-year warranty. Ships from our North American warehouse with anchors, ropes, and everything you need to set up.