Grandio Elite 8x20 Greenhouse Kit 10mm Polycarbonate Barn Style

Why Choose the Grandio Elite 8x20 Greenhouse Kit For Your Year-Round Gardening?

Show more

Show less

The Grandio Elite 8x20 Greenhouse Kit is built for gardeners who want serious growing space, durable construction and dependable insulation for year round gardening. Its barn style design, 1.6 mm heavy duty aluminum frame and 10 mm twin wall polycarbonate panels work together to create a strong, stable and comfortable environment for vegetables, flowers and overwintering plants.

With an 8 ft 2 in width, nearly 20 ft length and 8 ft height, the Elite 8x20 offers ample room for raised beds, benches and vertical growing systems while still maintaining a clean footprint that fits in many residential settings. It is a long term greenhouse solution for both dedicated hobby growers and more demanding garden setups.

Designed For All Season Growing

The Elite 8x20 is engineered to handle a range of climates and weather conditions. The 10 mm twin wall polycarbonate glazing provides an approximate R value of 1.89 and U value of 0.53, offering better insulation than many thin panel or film style structures. This helps retain warmth during cooler months and supports a more stable internal climate throughout the year when paired with proper ventilation and heating.

The barn style profile increases headroom and vertical growing capacity, making it easier to organize your space for tall crops, hanging baskets and multi level shelving.

BENEFITS

• Excellent Insulation for Growth in All-Season: The 10mm twin-wall polycarbonate panels that make up the Grandio Elite greenhouse provide better insulation, which helps keep the ideal temperatures for plants to grow during the winter. With an R-VALUE of 1.89 and a U-VALUE of 0.53. this greenhouse keeps heat in and keeps your plants warm, even in colder climates.

• Strong and heavy-duty construction: The greenhouse has a 1.6mm profile aluminum frame, which makes it stronger and last longer than models from competitors. It also won't warp, melt, or crack like PVC structures do. It's made to last in harsh conditions, making it great for gardeners in challenging climates or people who want to buy a greenhouse that will last for a long time.

• Good ventilation and easy access: The Grandio Elite has five roof windows and two sliding doors that make it easy to get in and out. The doors hang from above to keep them from getting stuck, and the nylon door wheels make them last longer, which improves your greenhouse experience overall.

• Designed to be Useful and Easy to Use: This greenhouse is ready for any weather because it comes with a base kit, rain gutters, and a snow load kit. The barn-style design makes the most of vertical space, giving you more room to grow. The system is easy to put together, so you can start growing right away.

The Grandio Elite 8x20 Greenhouse Kit is more than just a greenhouse; it's everything a passionate grower needs to grow plants all year long.

SPECIFICATIONS

DIMENSIONS

Actual Size(Base Kit): 8'2" W x 19'11" L x 8" H

Door Width: 44"

GRANDIO GREENHOUSE MATERIALS VS OTHER BRANDS

WHAT'S INCLUDED IN THE PACKAGE?

Basic Kit Includes:

• 10mm Twin-Wall Panels
• (5) Roof Windows
• Rain Gutters
• Base Kit
• Snow Load Kit

Optional Premium Kit Includes:

• 10mm Twin-Wall Panels
• (5) Roof Window
• Rain Gutters
• Base Kit
• Snow Load Kit
• (5) Auto Roof Vent Openers
• (2) Pack of 10 Plant Hangers
• (1) Trellis Kit
• (1) Drip Kit
• (1) 8 oz. Brillianize Cleaner

ASSEMBLY VIDEO

ELITE 8X20 GREENHOUSE KIT ASSEMBLY MANUAL

Compare Grandio Greenhouse Models

Compare with Other Greenhouse Brands

Optional Accessories

	Drain Kit - Downspout for Grandio Greenhouse Gutter Systems, designed for installation at each of the four corners of the greenhouse. It’s made to be installed directly into the aluminum frame and gutter of the greenhouse. The easy-to-install downspout drain kit includes (4) 20mm black pipes, (4) gutter attachment gaskets, and (4) side wall brackets with screws. One kit has everything needed to add downspouts to a Grandio Greenhouse.
	Automatic Roof Vent Opener - Automatically opens and closes the roof vent window based on temperature changes. The opener contains a metal cylinder with a mineral that expands when heated, pushing a piston to open the vent. When the temperature cools, the mineral contracts, and a spring closes the vent, resetting the piston. The vent opens and closes gradually, allowing the right amount of airflow for cooling.
	Auto Louver Window Opener - Automatically opens and closes the louver window as the temperature changes. The opener has a metal cylinder with a mineral that expands when heated, pushing a piston to open the vent. As the temperature cools, the mineral contracts, and a spring closes the vent and resets the piston. The vent opens and closes gradually, providing just the right amount of airflow for cooling. This Auto Louver Opener attaches to the left side of your louver window.
	Louver Window - add more ventilation to your greenhouse. Louver window frame comes powder coated in green, with 6mm twin wall polycarbonate panels.
	The Drip Irrigation Watering Kit - is a water-efficient system designed for shrubs, trees, flowers, and bushes, covering up to 150 square feet with easy expandability. It's a DIY-friendly installation with no gluing required, using high-quality UV-resistant materials. The kit includes 24 pressure-compensating drippers (20 at 1 GPH, 2 at 2 GPH, and 2 at 4 GPH) for consistent water delivery to plant roots. A backflow preventer ensures water safety by preventing siphoning into the main supply.
	Moisture Control Kit - featuring Anti Dust Tape and Waterproof All-Weather Silicone Caulk, protects your Grandio Greenhouse from insects, dirt, mold, and algae. The tape's 45-micron filters allow condensation to escape while preventing algae and mold growth with a fungicidal coating. Combined with the silicone caulk, this kit ensures long-lasting protection and maintains the greenhouse's pristine condition.
	Shade Net - are essential for regulating greenhouse temperatures, especially during sunny spring, autumn, and summer days. Designed to reduce intense sunlight by 50%, they help keep your greenhouse cooler and prevent overheating.
	Plant Hangers - These versatile plastic hangers are designed for greenhouse use, supporting shade cloths, hanging baskets with quarter-inch hooks, and stringing taller plants or vines. Easy to install, they simply twist into the roof rafter channels.
	Frame to Base Brackets - enhance greenhouse stability by securing the frame to the base, offering extra support against wind and severe weather. Each pack includes 4 EZ1 wall-to-base brackets, 4 EZ2 inner base brackets, and 16 bolt-and-nut combos.

SHIPPING INFO

Lead Time is 1 to 2 days. Orders typically arrive within 1-7 business days, depending on your location:

• West: 2-4 days
• Northwest: 1-3 days
• Southwest: 3-5 days
• Midwest: 4-6 days
• East: 5-7 days

Note: Delivery times are estimates and exclude order processing time. Delays may occur due to weather or carrier issues.

FAQ