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TMG-GHL1020 10′ x 20′ Lean-To Greenhouse Grow Tent

Original price was: $1,695.00.Current price is: $1,450.00.

Optimize your growing footprint with the TMG-GHL1020 10′ x 20′ Lean-To Greenhouse Grow Tent.
Uniquely engineered to maximize space by leaning against an existing structure or wall, this professional-grade greenhouse provides approximately 200 square feet of covered area for year-round personal or commercial cultivation.
Built with a heavy-duty, corrosion-resistant galvanized steel frame and tightly spaced 50-inch bays, it offers superior resilience against severe weather.
The commercial-grade 6 mil clear EVA film cover ensures exceptional thermal retention and high light transmittance, eliminating the need for artificial lighting.
Complete with tall 6-½ foot sidewalls, dual hand-crank roll-up ventilation, and a bi-parting swing door, this lean-to structure delivers an efficient, easily managed micro-climate for robust plant development.

Only 1 left in stock (can be backordered)

Before you order
  • Most orders over $1,000 qualify for free freight. Most shelters and TMG products over $1,000 qualify unless specifically excluded.
  • Loading docks, loading ramps and bridges are excluded from free freight; some Conex-style containers may also require confirmation.
  • Local pickup in Gravois Mills, MO saves $200 at checkout: eligible carts.
Shipping DetailsCall 660-858-8251Ask a Product Question

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Key Features

  • Space-Saving Lean-To Geometry: Designed to fit securely against existing exterior walls, homes, or barns, making it an ideal choice for properties looking to optimize structural space.

  • Advanced Thermal Protection: Clad in premium 6 mil clear EVA plastic film featuring 92%–96% light transmittance and 80% thermal retention, effectively trapping solar energy to keep plants warm.

  • Superior Standing Clearance: Boasts tall 6-½ foot sidewalls and a 12-foot peak ceiling height, allowing ample vertical room for hanging baskets, shelving systems, and comfortable operator mobility.

  • Dual Hand-Crank Ventilation: Equipped with 4-foot manual hand-crank roll-up sides on both ends, allowing operators to precisely manage internal airflow, humidity, and condensation levels.

  • Robust Structural Build: Heavy-duty galvanized steel framework uses a reduced 50-inch bay spacing configuration to reinforce structural durability against high winds and snow loads.

  • Easy Access Points: Features a wide 4’ x 6-½’ bi-parting swing door on the front profile, accommodating smooth transit for tools, soil bags, and large landscaping carts.

Technical Specifications

  • Model: TMG-GHL1020

  • Alternate Length Configurations: Also available in 10′ x 30′ and 10′ x 40′ footprints

  • Exact Floor Footprint: 9-3/4’ W x 21-1/2’ L (Approx. 200 sq-ft of covered space)

  • Vertical Dimensions:

    • Sidewall Height at Arch: 6-½’

    • Peak Ceiling Height: 12’

  • Frame Construction: Heavy-duty galvanized steel

    • Truss Arches: ⌀2” diameter – 15-gauge wall thickness

    • Horizontal Purlins: ⌀1.65” diameter – 17-gauge wall thickness

  • Structural Spacing: Reinforced 50” bay spacing

  • Door Dimensions: 4’ W x 6-½’ H (Bi-parting swing door)

  • Cover Specs: 6 mil clear EVA plastic film (Anti-fogging & anti-dripping)

    • Light Transmittance: 92%–96%

    • Light Diffusion: 20%

    • Thermal Retention Effect: 80%

  • Securing Method: Aluminum lock channels paired with heavy-duty wiggle wires

  • Anchoring: Pre-drilled heavy-duty footplates with sleeve anchor bolts (included)

  • Required Foundation: Concrete slabs, solid wood decking, or equivalent level surface

  • Note: Horizontal 1 x 6 treated wood sides are required for completion and are NOT included.

Shipping & Delivery

  • Processing Time: 2–3 business days

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

  • Unloading Requirements: Product is oversized and heavy. Mechanical unloading assistance (such as a forklift or loader) or a multi-person crew is highly recommended at the delivery destination.

  • Packaging Type: Wood crate shipping box

  • Shipping Dimensions: 87” L x 29” W x 16” H

  • Combined Shipping Weight: 568 lbs

Before You Order

  • Free freight applies to most orders over $1,000; loading docks, loading ramps and bridges are excluded.
  • Oversized freight may require carrier confirmation and unloading equipment at delivery.
  • Local pickup in Gravois Mills, Missouri can save $200 on eligible orders over $1,000.

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.
  • Most $1K+ orders qualify; docks/ramps/bridges excluded, plus $200 local-pickup savings on eligible orders.

u003cp data-path-to-node=u00224u0022u003eu003cb data-path-to-node=u00224u0022 data-index-in-node=u00220u0022u003eFreight policy:u003cbr /u003eShipping offers vary by product. Qualifying products may include free LTL freight to U.S. commercial addresses; residential delivery, liftgate and other accessorial services are extrau003c/bu003eu003c/pu003enu003cp data-path-to-node=u00224u0022u003eu003cb data-path-to-node=u00225,0,0u0022 data-index-in-node=u00220u0022u003eStandard freight delivery:u003cbr /u003eu003c/bu003eCustomer must provide a forklift or heavy machinery to unload.u003cbr /u003eIf unloading equipment is unavailable, liftgate or other accessorial fees may apply and are confirmed before dispatch.u003c/pu003enu003cpu003eu0026#x26a0;u0026#xfe0f; u003cb data-path-to-node=u002211,0u0022 data-index-in-node=u00223u0022u003eOversize Freight:u003cbr /u003eu003c/bu003eLarge structures require custom freight routing and are excluded from automatic free freight.u003c/pu003enu003cpu003eu003cb data-path-to-node=u002211,0u0022 data-index-in-node=u0022115u0022u003eHow to order:u003c/bu003e Proceed through checkout and select the shipping method shown for the product.u003cbr /u003eIf residential, liftgate, limited-access or another accessorial service applies, CHB confirms the additional charge before dispatch.u003c/pu003enu003cpu003eu003ci data-path-to-node=u002211,0u0022 data-index-in-node=u0022313u0022u003eNeed delivery help first? Click the chat icon in the corner to review the shipping terms!u003c/iu003eu003c/pu003enu003cp data-path-to-node=u00226u0022u003eu003cb data-path-to-node=u00226u0022 data-index-in-node=u00220u0022u003eLOCAL PICKUP (Gravois Mills, MO)*u003c/bu003eu003c/pu003enu003cul data-path-to-node=u00227u0022u003enu003cliu003enu003cp data-path-to-node=u00227,0,0u0022u003eFree local pickup is available by appointment only.u003cbr /u003eComplimentary loading assistance is provided on-site.u003c/pu003enu003c/liu003enu003cliu003enu003cp data-path-to-node=u00227,0,0u0022u003eu003cb data-path-to-node=u00228u0022 data-index-in-node=u00220u0022 style=u0022font-size: 14px;u0022u003e LOCAL PICKUP OFFERS VARY BY PRODUCT:u003cbr /u003eu003c/bu003eTake u003cb data-path-to-node=u00229,0,0u0022 data-index-in-node=u00225u0022u003e$200 OFFu003c/bu003e only on eligible products. Excluded products do not receive the automatic coupon.u003c/pu003enu003c/liu003enu003c/ulu003enu003cul data-path-to-node=u00229u0022u003eu003c/ulu003e

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