Grandio Ascent 8x16 Greenhouse
Why Should You Get the Ascent 8x16 Greenhouse Kit for Your Garden?
When it comes to a high-quality greenhouse that can meet the needs of both new and experienced growers, the Ascent 8x16 Greenhouse Kit is a clear winner. This greenhouse is made of durable materials and was carefully designed to be both long-lasting and easy to use. It will help your plants grow in all seasons. With excellent design and better protection, it's no surprise that gardeners are picking the Ascent 8x16 to take care of their plants and make the growing season last longer.
BENEFITS
- Better Insulation for Gardening All Year Round: The Ascent 8x16 Greenhouse Kit's 6mm twin-wall polycarbonate panels provide great insulation, keeping your plants safe during the winter. With a projected R-VALUE of 1.54 and a U-VALUE of 0.65, this keeps heat in well, so your plants can grow even in colder places.
- Durable and Sturdy Construction: This greenhouse's 1.6 mm aluminum frame makes it strong enough to handle harsh conditions like heavy snow and strong winds. Its heavy-duty design means it will last for a long time and be reliable, giving your plants a safe place to grow season after season.
- Ease of Access and Air Flow: Made easier by the gliding double doors that hang from above. The nylon wheels make it last longer and prevent door jams. This model has four roof windows that let in plenty of air and help keep the temperature and humidity just right, making it a great place to grow plants.
- Added Features for Convenience: The Ascent 8x16 Greenhouse Kit includes a base kit, rain gutters, and a snow load kit, giving you everything you need for stability and drainage. These extras make it ready for installation, providing peace of mind and functionality for the serious gardener.
SPECIFICATIONS
| Frame | Heavy Duty Aluminum |
| Color | Powder-Coated Green |
| Panels | 6mm Twin-wall UV-protected Polycarbonate |
| Doors | Bind-resistant Sliding Double doors |
| Latch | Easy-latch doors with Double-ball catch |
| Hardware | Stainless steel nuts and bolts |
| Rain Gutters | Yes |
| Ventilation | 4 Roof vents with adjustable manual openers/latches |
| Wind Rating | Withstands winds up to 76 mph* |
| Snow Rating | Maximum snow load of 25lbs./ft² of snow* |
DIMENSIONS
- Actual Size: 8'2" W x 16' L x 7'9" H
- Door Width: 42"
GRANDIO GREENHOUSE MATERIALS VS OTHER BRANDS
WHAT'S INCLUDED IN THE PACKAGE?
Basic Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Windows
- Rain Gutters
- Base Kit
- Snow Load Kit
Optional Premium Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Window
- Rain Gutters
- Base Kit
- Snow Load Kit
- (4) Auto Roof Vent Openers
- (2) Pack of 10 Plant Hangers
- (1) Trellis Kit
- (1) Drip Kit
- (1) 8 oz. Brillianize Cleaner
ASSEMBLY VIDEO
ASCENT GREENHOUSE KIT ASSEMBLY MANUAL
Compare Grandio Greenhouse Models
| Feature |
Grandio Ascent 8x16 Greenhouse |
Grandio Elite 8x16 Greenhouse |
Grandio Summit 12x16 Greenhouse |
|---|---|---|---|
| Total Area | 128 sq ft | 128 sq ft | 192 sq ft |
| Peak Height | 7'9" | 8' | 9.25' |
| Sidewall Height | 5'5" | 5'5" | 5'5" |
| Frame Material | Heavy-duty aluminum | Heavy-duty aluminum | Heavy-duty aluminum |
| Panel Material | 6 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate |
| Latch | Easy-latch doors with double-ball catch | Easy-latch doors with double-ball catch | Magnetic latch doors with key lock |
| Door Type | Sliding Double | Sliding Double | Sliding Double |
| Ventilation | (4) Roof vents | (4) Roof vents | (8) Roof vents |
| Warranty | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels |
Compare with Other Greenhouse Brands
| Feature |
Grandio Ascent 8x16 Greenhouse |
Riverstone Monticello Black Premium Greenhouse |
EZ-Fit Greenhouse Kit |
Little Cottage Co. Colonial Gable Greenhouse |
|---|---|---|---|---|
| Size | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x10, 8x12, 10x12, 10x14, 10x16, 12x16, 12x20, 12x24 | 8x8, 8x12, 8x16, 10x12, 10x14, 10x16 |
| Frame Material | Powder-coated heavy-duty aluminum (1.6 mm thick) | Commercial-grade extruded aluminum (black powder-coated) | LP SmartSide® engineered wood siding with treated wood frame | LP SmartSide® engineered wood siding with treated wood frame |
| Panel Material | 6mm Twin-wall Polycarbonate | 8mm Twin-wall Polycarbonate | Corrugated polycarbonate roofing panels | Corrugated polycarbonate roofing panels |
| Door Type | Sliding double doors | Hinged double doors | Single door with 2 transom windows (Optional Double Door Available) |
Colonial Dutch door with 1 transom window |
| Ventilation | 4 roof vents | 1 Automatic roof vent(s) | Operable windows (with screens) + 2 gable-end air vents | Operable windows (with screens) + 2 gable-end air vents |
| Color | Green powder-coat aluminum frame • clear polycarbonate panels | Black powder-coat aluminum frame • clear polycarbonate panels | Primed and ready to paint | Primed and ready to paint |
| Included Accessories | Rain gutters, snow load kit, anchoring kit | Rain gutters, roof vent, base kit | Shelves on 3 sides | Shelves on 3 sides, hanging rods, 2 louvers |
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.
Frequently Asked Questions
What sizes are available for the Grandio Ascent Greenhouse?
The Grandio Ascent Greenhouse is available in sizes 8×8, 8×12, 8×16, 8×20, and 8×24. All models share the same barn-style A-frame design, 6 mm twin-wall UV-protected polycarbonate panels, and heavy-duty aluminum frame.
How durable is the Grandio Ascent greenhouse frame?
Constructed from 1.6 mm powder-coated aluminum with cross-roof truss and corner bracing, the Ascent is engineered to resist winds up to 76 mph and snow loads of up to 25 lb/ft² when used with the included snow load kit.
What type of panels does the Ascent use?
The greenhouse uses 6 mm twin-wall UV-protected polycarbonate panels, offering an R-value of approximately 1.54 and a U-value of 0.65—ideal for efficient insulation year-round.
Does the Ascent include ventilation features?
Yes—size-dependent ventilation includes 2–6 roof vents with adjustable manual openers; automatic vent upgrades are optional for improved airflow control.
Are the doors easy to operate?
Absolutely. The Ascent features 42″ sliding double doors mounted on top-hung nylon wheels with brass bolts, plus easy-latch double-ball catches for smooth entry and security.
What comes in the basic and premium kits?
The basic kit includes a steel base, rain gutters, roof windows, snow load kit, and anchoring components. The premium kit adds features like automatic roof vent openers, plant hangers, a trellis kit, drip irrigation, and a cleaning kit.
Is the Ascent expandable later on?
Yes—the Ascent greenhouse can be expanded in 4-foot sections, making it easy to grow with your gardening needs.
What warranty comes with the Grandio Ascent?
Grandio offers a lifetime warranty on the aluminum frame and a 10-year warranty on the polycarbonate panels.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Grandio Ascent 8x16 Greenhouse
Grandio Ascent 8x16 Greenhouse
Why Should You Get the Ascent 8x16 Greenhouse Kit for Your Garden?
When it comes to a high-quality greenhouse that can meet the needs of both new and experienced growers, the Ascent 8x16 Greenhouse Kit is a clear winner. This greenhouse is made of durable materials and was carefully designed to be both long-lasting and easy to use. It will help your plants grow in all seasons. With excellent design and better protection, it's no surprise that gardeners are picking the Ascent 8x16 to take care of their plants and make the growing season last longer.
BENEFITS
- Better Insulation for Gardening All Year Round: The Ascent 8x16 Greenhouse Kit's 6mm twin-wall polycarbonate panels provide great insulation, keeping your plants safe during the winter. With a projected R-VALUE of 1.54 and a U-VALUE of 0.65, this keeps heat in well, so your plants can grow even in colder places.
- Durable and Sturdy Construction: This greenhouse's 1.6 mm aluminum frame makes it strong enough to handle harsh conditions like heavy snow and strong winds. Its heavy-duty design means it will last for a long time and be reliable, giving your plants a safe place to grow season after season.
- Ease of Access and Air Flow: Made easier by the gliding double doors that hang from above. The nylon wheels make it last longer and prevent door jams. This model has four roof windows that let in plenty of air and help keep the temperature and humidity just right, making it a great place to grow plants.
- Added Features for Convenience: The Ascent 8x16 Greenhouse Kit includes a base kit, rain gutters, and a snow load kit, giving you everything you need for stability and drainage. These extras make it ready for installation, providing peace of mind and functionality for the serious gardener.
SPECIFICATIONS
| Frame | Heavy Duty Aluminum |
| Color | Powder-Coated Green |
| Panels | 6mm Twin-wall UV-protected Polycarbonate |
| Doors | Bind-resistant Sliding Double doors |
| Latch | Easy-latch doors with Double-ball catch |
| Hardware | Stainless steel nuts and bolts |
| Rain Gutters | Yes |
| Ventilation | 4 Roof vents with adjustable manual openers/latches |
| Wind Rating | Withstands winds up to 76 mph* |
| Snow Rating | Maximum snow load of 25lbs./ft² of snow* |
DIMENSIONS
- Actual Size: 8'2" W x 16' L x 7'9" H
- Door Width: 42"
GRANDIO GREENHOUSE MATERIALS VS OTHER BRANDS
WHAT'S INCLUDED IN THE PACKAGE?
Basic Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Windows
- Rain Gutters
- Base Kit
- Snow Load Kit
Optional Premium Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Window
- Rain Gutters
- Base Kit
- Snow Load Kit
- (4) Auto Roof Vent Openers
- (2) Pack of 10 Plant Hangers
- (1) Trellis Kit
- (1) Drip Kit
- (1) 8 oz. Brillianize Cleaner
ASSEMBLY VIDEO
ASCENT GREENHOUSE KIT ASSEMBLY MANUAL
Compare Grandio Greenhouse Models
| Feature |
Grandio Ascent 8x16 Greenhouse |
Grandio Elite 8x16 Greenhouse |
Grandio Summit 12x16 Greenhouse |
|---|---|---|---|
| Total Area | 128 sq ft | 128 sq ft | 192 sq ft |
| Peak Height | 7'9" | 8' | 9.25' |
| Sidewall Height | 5'5" | 5'5" | 5'5" |
| Frame Material | Heavy-duty aluminum | Heavy-duty aluminum | Heavy-duty aluminum |
| Panel Material | 6 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate |
| Latch | Easy-latch doors with double-ball catch | Easy-latch doors with double-ball catch | Magnetic latch doors with key lock |
| Door Type | Sliding Double | Sliding Double | Sliding Double |
| Ventilation | (4) Roof vents | (4) Roof vents | (8) Roof vents |
| Warranty | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels |
Compare with Other Greenhouse Brands
| Feature |
Grandio Ascent 8x16 Greenhouse |
Riverstone Monticello Black Premium Greenhouse |
EZ-Fit Greenhouse Kit |
Little Cottage Co. Colonial Gable Greenhouse |
|---|---|---|---|---|
| Size | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x10, 8x12, 10x12, 10x14, 10x16, 12x16, 12x20, 12x24 | 8x8, 8x12, 8x16, 10x12, 10x14, 10x16 |
| Frame Material | Powder-coated heavy-duty aluminum (1.6 mm thick) | Commercial-grade extruded aluminum (black powder-coated) | LP SmartSide® engineered wood siding with treated wood frame | LP SmartSide® engineered wood siding with treated wood frame |
| Panel Material | 6mm Twin-wall Polycarbonate | 8mm Twin-wall Polycarbonate | Corrugated polycarbonate roofing panels | Corrugated polycarbonate roofing panels |
| Door Type | Sliding double doors | Hinged double doors | Single door with 2 transom windows (Optional Double Door Available) |
Colonial Dutch door with 1 transom window |
| Ventilation | 4 roof vents | 1 Automatic roof vent(s) | Operable windows (with screens) + 2 gable-end air vents | Operable windows (with screens) + 2 gable-end air vents |
| Color | Green powder-coat aluminum frame • clear polycarbonate panels | Black powder-coat aluminum frame • clear polycarbonate panels | Primed and ready to paint | Primed and ready to paint |
| Included Accessories | Rain gutters, snow load kit, anchoring kit | Rain gutters, roof vent, base kit | Shelves on 3 sides | Shelves on 3 sides, hanging rods, 2 louvers |
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.
Frequently Asked Questions
What sizes are available for the Grandio Ascent Greenhouse?
The Grandio Ascent Greenhouse is available in sizes 8×8, 8×12, 8×16, 8×20, and 8×24. All models share the same barn-style A-frame design, 6 mm twin-wall UV-protected polycarbonate panels, and heavy-duty aluminum frame.
How durable is the Grandio Ascent greenhouse frame?
Constructed from 1.6 mm powder-coated aluminum with cross-roof truss and corner bracing, the Ascent is engineered to resist winds up to 76 mph and snow loads of up to 25 lb/ft² when used with the included snow load kit.
What type of panels does the Ascent use?
The greenhouse uses 6 mm twin-wall UV-protected polycarbonate panels, offering an R-value of approximately 1.54 and a U-value of 0.65—ideal for efficient insulation year-round.
Does the Ascent include ventilation features?
Yes—size-dependent ventilation includes 2–6 roof vents with adjustable manual openers; automatic vent upgrades are optional for improved airflow control.
Are the doors easy to operate?
Absolutely. The Ascent features 42″ sliding double doors mounted on top-hung nylon wheels with brass bolts, plus easy-latch double-ball catches for smooth entry and security.
What comes in the basic and premium kits?
The basic kit includes a steel base, rain gutters, roof windows, snow load kit, and anchoring components. The premium kit adds features like automatic roof vent openers, plant hangers, a trellis kit, drip irrigation, and a cleaning kit.
Is the Ascent expandable later on?
Yes—the Ascent greenhouse can be expanded in 4-foot sections, making it easy to grow with your gardening needs.
What warranty comes with the Grandio Ascent?
Grandio offers a lifetime warranty on the aluminum frame and a 10-year warranty on the polycarbonate panels.
Original: $3,599.00
-65%$3,599.00
$1,259.65Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Why Should You Get the Ascent 8x16 Greenhouse Kit for Your Garden?
When it comes to a high-quality greenhouse that can meet the needs of both new and experienced growers, the Ascent 8x16 Greenhouse Kit is a clear winner. This greenhouse is made of durable materials and was carefully designed to be both long-lasting and easy to use. It will help your plants grow in all seasons. With excellent design and better protection, it's no surprise that gardeners are picking the Ascent 8x16 to take care of their plants and make the growing season last longer.
BENEFITS
- Better Insulation for Gardening All Year Round: The Ascent 8x16 Greenhouse Kit's 6mm twin-wall polycarbonate panels provide great insulation, keeping your plants safe during the winter. With a projected R-VALUE of 1.54 and a U-VALUE of 0.65, this keeps heat in well, so your plants can grow even in colder places.
- Durable and Sturdy Construction: This greenhouse's 1.6 mm aluminum frame makes it strong enough to handle harsh conditions like heavy snow and strong winds. Its heavy-duty design means it will last for a long time and be reliable, giving your plants a safe place to grow season after season.
- Ease of Access and Air Flow: Made easier by the gliding double doors that hang from above. The nylon wheels make it last longer and prevent door jams. This model has four roof windows that let in plenty of air and help keep the temperature and humidity just right, making it a great place to grow plants.
- Added Features for Convenience: The Ascent 8x16 Greenhouse Kit includes a base kit, rain gutters, and a snow load kit, giving you everything you need for stability and drainage. These extras make it ready for installation, providing peace of mind and functionality for the serious gardener.
SPECIFICATIONS
| Frame | Heavy Duty Aluminum |
| Color | Powder-Coated Green |
| Panels | 6mm Twin-wall UV-protected Polycarbonate |
| Doors | Bind-resistant Sliding Double doors |
| Latch | Easy-latch doors with Double-ball catch |
| Hardware | Stainless steel nuts and bolts |
| Rain Gutters | Yes |
| Ventilation | 4 Roof vents with adjustable manual openers/latches |
| Wind Rating | Withstands winds up to 76 mph* |
| Snow Rating | Maximum snow load of 25lbs./ft² of snow* |
DIMENSIONS
- Actual Size: 8'2" W x 16' L x 7'9" H
- Door Width: 42"
GRANDIO GREENHOUSE MATERIALS VS OTHER BRANDS
WHAT'S INCLUDED IN THE PACKAGE?
Basic Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Windows
- Rain Gutters
- Base Kit
- Snow Load Kit
Optional Premium Kit Includes:
- 6mm Twin-Wall Panels
- (4) Roof Window
- Rain Gutters
- Base Kit
- Snow Load Kit
- (4) Auto Roof Vent Openers
- (2) Pack of 10 Plant Hangers
- (1) Trellis Kit
- (1) Drip Kit
- (1) 8 oz. Brillianize Cleaner
ASSEMBLY VIDEO
ASCENT GREENHOUSE KIT ASSEMBLY MANUAL
Compare Grandio Greenhouse Models
| Feature |
Grandio Ascent 8x16 Greenhouse |
Grandio Elite 8x16 Greenhouse |
Grandio Summit 12x16 Greenhouse |
|---|---|---|---|
| Total Area | 128 sq ft | 128 sq ft | 192 sq ft |
| Peak Height | 7'9" | 8' | 9.25' |
| Sidewall Height | 5'5" | 5'5" | 5'5" |
| Frame Material | Heavy-duty aluminum | Heavy-duty aluminum | Heavy-duty aluminum |
| Panel Material | 6 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate | 10 mm Twin-wall UV-protected Polycarbonate |
| Latch | Easy-latch doors with double-ball catch | Easy-latch doors with double-ball catch | Magnetic latch doors with key lock |
| Door Type | Sliding Double | Sliding Double | Sliding Double |
| Ventilation | (4) Roof vents | (4) Roof vents | (8) Roof vents |
| Warranty | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels | Lifetime frame / 10-year panels |
Compare with Other Greenhouse Brands
| Feature |
Grandio Ascent 8x16 Greenhouse |
Riverstone Monticello Black Premium Greenhouse |
EZ-Fit Greenhouse Kit |
Little Cottage Co. Colonial Gable Greenhouse |
|---|---|---|---|---|
| Size | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x12, 8x16, 8x20, 8x24 | 8x8, 8x10, 8x12, 10x12, 10x14, 10x16, 12x16, 12x20, 12x24 | 8x8, 8x12, 8x16, 10x12, 10x14, 10x16 |
| Frame Material | Powder-coated heavy-duty aluminum (1.6 mm thick) | Commercial-grade extruded aluminum (black powder-coated) | LP SmartSide® engineered wood siding with treated wood frame | LP SmartSide® engineered wood siding with treated wood frame |
| Panel Material | 6mm Twin-wall Polycarbonate | 8mm Twin-wall Polycarbonate | Corrugated polycarbonate roofing panels | Corrugated polycarbonate roofing panels |
| Door Type | Sliding double doors | Hinged double doors | Single door with 2 transom windows (Optional Double Door Available) |
Colonial Dutch door with 1 transom window |
| Ventilation | 4 roof vents | 1 Automatic roof vent(s) | Operable windows (with screens) + 2 gable-end air vents | Operable windows (with screens) + 2 gable-end air vents |
| Color | Green powder-coat aluminum frame • clear polycarbonate panels | Black powder-coat aluminum frame • clear polycarbonate panels | Primed and ready to paint | Primed and ready to paint |
| Included Accessories | Rain gutters, snow load kit, anchoring kit | Rain gutters, roof vent, base kit | Shelves on 3 sides | Shelves on 3 sides, hanging rods, 2 louvers |
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.
Frequently Asked Questions
What sizes are available for the Grandio Ascent Greenhouse?
The Grandio Ascent Greenhouse is available in sizes 8×8, 8×12, 8×16, 8×20, and 8×24. All models share the same barn-style A-frame design, 6 mm twin-wall UV-protected polycarbonate panels, and heavy-duty aluminum frame.
How durable is the Grandio Ascent greenhouse frame?
Constructed from 1.6 mm powder-coated aluminum with cross-roof truss and corner bracing, the Ascent is engineered to resist winds up to 76 mph and snow loads of up to 25 lb/ft² when used with the included snow load kit.
What type of panels does the Ascent use?
The greenhouse uses 6 mm twin-wall UV-protected polycarbonate panels, offering an R-value of approximately 1.54 and a U-value of 0.65—ideal for efficient insulation year-round.
Does the Ascent include ventilation features?
Yes—size-dependent ventilation includes 2–6 roof vents with adjustable manual openers; automatic vent upgrades are optional for improved airflow control.
Are the doors easy to operate?
Absolutely. The Ascent features 42″ sliding double doors mounted on top-hung nylon wheels with brass bolts, plus easy-latch double-ball catches for smooth entry and security.
What comes in the basic and premium kits?
The basic kit includes a steel base, rain gutters, roof windows, snow load kit, and anchoring components. The premium kit adds features like automatic roof vent openers, plant hangers, a trellis kit, drip irrigation, and a cleaning kit.
Is the Ascent expandable later on?
Yes—the Ascent greenhouse can be expanded in 4-foot sections, making it easy to grow with your gardening needs.
What warranty comes with the Grandio Ascent?
Grandio offers a lifetime warranty on the aluminum frame and a 10-year warranty on the polycarbonate panels.
