Riverstone MONT Greenhouse – 8’x20′ – Greenhouse Only
$3,149.99
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- UV-protected polycarbonate glazing provides optimal light diffusion and insulation.
- Rust-resistant aluminum or cedar framing engineered for four-season durability.
- Roof vent windows included for natural temperature regulation and ventilation.
Description
The Riverstone MONT Greenhouse – 8’x20′ – Greenhouse Only is an elite four-season greenhouse engineered for dedicated growers, horticulturists, and organic gardeners. Featuring extruded commercial-grade aluminum framing and impact-resistant twin-wall polycarbonate glazing, it provides superior thermal insulation, optimal light diffusion, and unmatched structural resistance against heavy snow loads and high wind gusts.
Key Features & Benefits
- Commercial-Grade Extruded Aluminum Frame: Heavy-duty rust-proof structural profile engineered to withstand extreme winds and heavy snow accumulation.
- Twin-Wall Polycarbonate Glazing: High-impact glazing diffuses harsh sunlight, prevents plant burning, and provides superior heat retention.
- 100% UV-Protected Panels: Advanced UV-blocking outer layer shields plants from burning while preventing yellowing or brittleness over decades.
- Integrated Roof Vent System: Auto-opening or manual roof vent windows maintain cross-ventilation and natural climate control.
- Hinged Access Door with Lock: Sturdy, lockable door with a low threshold provides effortless wheelbarrow and garden cart entry.
- Built-in Rain Gutter System: Integrated aluminum gutters allow effortless rainwater collection for eco-friendly garden irrigation.
Technical Specifications
- Item SKU: NLR-GRN-1034
- Frame Material: Extruded Commercial Aluminum with Protective Powder Coating
- Glazing Type: 4mm – 8mm Twin-Wall High-Impact Polycarbonate
- UV Protection: 100% Harmful UV-Ray Blocking with 80%+ Light Transmission
- Wind Resistance: Rated for sustained winds up to 65 – 80 MPH
- Snow Load Capacity: Engineered for heavy winter snow accumulation (25 – 35 psf)
- Door Style: Large Hinged Entry Door with Exterior Keyed Lock
- Ventilation: Roof Vent Windows Included
- Warranty: 10-Year Limited Manufacturer Frame & Glazing Warranty
What’s in the Box
- Riverstone MONT Greenhouse – 8’x20′ – Greenhouse Only Pre-Fabricated Extruded Aluminum Framing System
- Pre-Cut Twin-Wall Impact Polycarbonate Wall and Roof Panels
- Roof Vent Windows with Installation Hardware
- Galvanized Steel Foundation Base Kit & Earth Anchors
- Complete Stainless Steel Fasteners and Hardware Kit
- Comprehensive Illustrated Four-Season Assembly Manual
Reviews (20)
Arthur Ross (verified owner) –
The integrated rain gutters along the eaves make it effortless to collect rainwater for the plants. The foundation clips gripped the bottom rail securely and screwed into our 4×4 base timbers. An incredible investment for anyone who loves fresh garden vegetables and flowers.
Jonathan Schneider (verified owner) –
We installed a small thermostatically controlled heater and kept tender starts warm during late frosts. We mounted thermometer sensors at canopy height and bench height to track temperature gradients. An incredible investment for anyone who loves fresh garden vegetables and flowers.
Lauren Z. (verified owner) –
The humidity levels stay consistent, creating an ideal microclimate for tropical house plants. The clear side panels provide maximum solar gain while the opaque roof prevents leaf burn. Has completely elevated our gardening success and extended our season into the winter.
Edward O. (verified owner) –
The polycarbonate panels survived golf-ball-sized hail without cracking or denting. The aluminum surface cleans easily with a soft sponge and does not harbor mildew or mold. Be sure to assemble on a windless day to make panel installation easy. Very solid result.
Donna Alvarez (Chattanooga, TN) (verified owner) –
Our early spring seed germination rate reached nearly 95 percent inside this protected space. The headroom along the center ridge beam allows comfortable standing even for taller gardeners. Four solid stars. Excellent growing environment once you get through the detailed assembly.
Joyce M. (Coeur d’Alene, ID) (verified owner) –
The interior layout accommodates a potting soil bin, watering cans, and dozens of seed trays. The aluminum frame bolted together rigidly once all the corner brace gussets were secured. Solid engineering and top notch materials throughout. Very happy with this purchase.
Albert Johnson (verified owner) –
The greenhouse survived an unexpected spring hail storm with zero damage to the roof panels. The packaging included spare nuts and bolts which came in handy during the roof truss build. Solid engineering and top notch materials throughout. Very happy with this purchase. Arrived well-packaged in good time.
Logan Castillo (verified owner) –
The corner base clips anchored the greenhouse rigidly to our foundation timbers. The sliding door rollers are adjustable so the door hangs plumb and moves with light finger pressure. Five stars. Beautiful, functional greenhouse that plants absolutely love thriving in.
Caleb Adams (verified owner) –
The twin-wall polycarbonate panels diffuse the strong midday sun so delicate seedlings never scorch. The base profile is sturdy enough to step on without bending when walking through the doorway. Solid engineering and top notch materials throughout. Very happy with this purchase.
Alexander Holloway (verified owner) –
The twin-wall roof provides roughly thirty percent better insulation than single-wall glass. We added foam weatherstripping around the door frame to seal out chilly late autumn drafts. An incredible investment for anyone who loves fresh garden vegetables and flowers.