Riverstone MONT Greenhouse – Growers Package – 8’x20′
$3,401.22
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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 – Growers Package – 8’x20′ 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-1042
- 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 – Growers Package – 8’x20′ 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 (13)
Olivia Kelly (verified owner) –
The crystal clear side panels give a wonderful view out into the garden while working inside. Following the advice to assemble on a calm, windless day made installing the panels stress-free. Five stars. Beautiful, functional greenhouse that plants absolutely love thriving in.
Sharon Myers (Columbus, OH) (verified owner) –
Our pepper and tomato plants started fruiting weeks earlier than in outdoor garden beds. The door handle latches securely in both the fully closed and partially cracked ventilation positions. An incredible investment for anyone who loves fresh garden vegetables and flowers.
Alan P. (Minneapolis, MN) (verified owner) –
The aluminum extrusions fit together cleanly with stainless steel assembly bolts. The foundation clips gripped the bottom rail securely and screwed into our 4×4 base timbers. Has completely elevated our gardening success and extended our season into the winter.
Lucas Schneider (verified owner) –
The aluminum extrusions feel substantial and the pre-drilled holes lined up with precision. The diffused light reaches the lower leaves of tall plants, promoting even, bushy growth. Be sure to assemble on a windless day to make panel installation easy. Very solid result.
Mary Alvarez (Appleton, WI) (verified owner) –
The structure was easy to square using the diagonal corner measurement technique in the manual. The packaging included spare nuts and bolts which came in handy during the roof truss build. Has completely elevated our gardening success and extended our season into the winter.
Brandon James (Lancaster, PA) (verified owner) –
The door threshold is low to the ground, allowing our garden cart to roll inside easily. The roof vent hinge operates smoothly and allows excess humidity to escape on sunny mornings. Has completely elevated our gardening success and extended our season into the winter.
Patrick H. (Grand Rapids, MI) (verified owner) –
Our vegetable yield has doubled compared to planting directly in the exposed garden soil. The headroom along the center ridge beam allows comfortable standing even for taller gardeners. Our seed starts have never been healthier. Highly recommended to all gardeners. Highly satisfied with how it handles in our yard.
Jonathan K. (verified owner) –
A beautiful architectural addition to our backyard that looks like a miniature conservatory. We mounted thermometer sensors at canopy height and bench height to track temperature gradients. Has completely elevated our gardening success and extended our season into the winter.
Amber M. (verified owner) –
The automatic vent arm we added opens by itself as the sun warms up the interior. The rain gutters have built-in hose adapters that made directing runoff to our garden beds simple. An incredible investment for anyone who loves fresh garden vegetables and flowers.
Rob & Laura M. (Coeur d’Alene, ID) (verified owner) –
The roof vent opens smoothly to provide ventilation on warm afternoons, keeping temperatures balanced. The structural cross-ties provided handy mounting points for our grow lights and small circulation fans. Has completely elevated our gardening success and extended our season into the winter.