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Greenhouse Kit Americana 12 ft. x 12 ft.

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The Palram – Canopia Americana 12×12 Greenhouse offers a large gardening space in a classic barn shape with hybrid glazing.

Measuring 12 Ft x 12 Ft, the Americana is large enough to create the garden oasis you’ve always wanted. The barn-style roof means there is ample room to stand, and the footprint gives you plenty of space to move around and plant a garden worthy of your dreams.

The Americana is designed with two types of panel glazing: twin-wall roof panels and crystal-clear side panels. This combination provides a precise balance for your plants, protecting them from direct overhead sunlight and retaining heat while allowing 90% light transmission to nourish your garden with adequate morning and evening light exposure. Both panel types are made of polycarbonate, an ideal material for greenhouses due to its strength, safety, and look.

The Americana features a reinforced, rust-resistant aluminum frame, galvanized steel base, and low threshold or easy wheelbarrow access. With double, swinging doors and two vent windows, you’ll have an abundance of airflow and control over the temperature and moisture levels to create a comfortable environment for you and your plants.

With the Americana, you have room to grow and room to share your love of gardening.

  • Extra-large, highly resistant, and safe polycarbonate greenhouse (blends Fine Shield Technology™)
  • The greenhouse kit combines two types of glazing for balanced light exposure.
  • Provides up to 100% protection from harmful sun rays (UV)
  • Life-time resilient polycarbonate plastic walls; do not turn yellow or fracture over time.
  • Reinforced, non-rusting, robust aluminum structure
  • High double-door offers improved work conditions and easier access.
  • The classic barn-shape design offers plenty of space. The greenhouse includes 2 vent windows.
  • Built-to-last thanks to outstandingly durable materials
  • Maintenance-free greenhouse
  • Protects your plants from the elements so that you can enjoy an extended growing period.
  • The greenhouses are available in various sizes. Click to find more greenhouse kits.

Dimensions

A Length 365cm 12'ft
B Width 365cm 12'ft
C Height 263cm 8'7"ft
D Door Width 116.5cm 3'4'ft
E Door Height 216cm 7'1"ft

Product Details

Greenhouse Accessories

Fan heater, lighting kits, shade cloth kit, automatic roof vent opener, staging and shelving, plant hangers, trellising kit, and drip irrigation kit are all available for purchase separately. Check out our certified Canopia accessories  

Easy access and use

Large hinged double door Low threshold Magnetic door catch Anchoring kit included Galvanized steel base adds structural stability  

Easy Assembly

Sliding panel assembly system Ready to assemble pre-drilled uniform profiles All hardware included

Rating and Reviews

4.02 (44 Reviews)
Rating Breakdown
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Customer Reviews (44)
  1. VortexVoyager!13 Country: Slovakia

    Easy to Keep Up, No Fuss

    The greenhouse has required minimal upkeep, which is what I was hoping for. It's been functional and straightforward. I'm generally satisfied.
  2. PegasusPioneer21 Country: Lithuania

    Long warranty

    The long warranty is excellent, bought it anyway and it seems fine. Let's see how it holds up.
  3. Tim Grace Country: United States (US)

    Excellent Greenhouse

    Once we got the greenhouse put together (has been 2 years) I realized what a great product this is…. I use bubble wrap for insulation as well as a heater for holding over plants during the winter.:..

FAQ

No, it is not an option, it cannot be performed.
Yes, it can be disassembled, relocated and reassembled at a different location.
No, it is not an option to get doors on both ends.
It is not possible to install the Lean To Grow House’ door at the other side. It is possible to install only as shown in the instructions.
The greenhouses do not come with a floor or base.
Yes, the polycarbonate panels are high impact resistant and withstand hail.
The warranty for all our greenhouses is for at least 5 years, some for more. The crystal-clear single layer or twin-wall polycarbonate panels maintain their integrity, they do not discolor, opacify, fracture or shatter over time.
Each wall section can carry up to 44 lbs. at most – an entire wall would depend upon the greenhouse’ size.
It can be anchored to a foundation, depending on the greenhouse, some have compatible holes at the bottom of the greenhouse base, and some have their own integrated anchoring. Yes, the greenhouse can be anchored to concrete slab. It can be anchored directly to the ground using ground stakes (ground stakes are not supplied with the greenhouse kits). *Firmly connect the product to a level surface immediately after completion of the assembly. Anchoring this product to the ground is essential to its stability and rigidity. It is required to complete this stage in order for your warranty to be valid.
The Canopia Greenhouse can be used year-round, but there are several factors to consider. The two main factors are weather and plants. What are the plants you want to grow and how much heat or cold can they handle? No matter where you live, greenhouses can be 20-40 degrees hotter inside during the day and at night they will be the same temperature as the outdoors. This is without any supplemental heating or cooling. Depending on where you live, heating and / or cooling your greenhouse can make a difference. If you need to heat or cool your greenhouse in extreme weather conditions, you may want to consider a twin-wall greenhouse such as the Canopia Glory Greenhouse which has a 10mm polycarbonate covering.

Assembly instructions & Certificates for Downloads

AMERICANA_12X12
Automatic Greenhouse Vent Opener

Foundation

A
Prepare the site

The product must be built on a solid anleveled surface in order to perform properly.

1 - Clear the site
 
2 - Level the ground
 
 
Important We recommend checking for restrictions or covenants for building this product in your area. In addition we advise to check if you need to submit any forms or if any permit is required prior to building the product.
B
Choose your foundation type

For a foundation, we recommend using three material types: Concrete / Pressure-treated wood/ wood deck / Paver blocks.

Option 1: Solid foundation
 
Preferred
Option 2: Solid frame
 
Preferred
Option 3: Firm ground / grass
 
Possible
 

* The size of the greenhouse displayed is for illustration purposes only and may not reflect the size of your greenhouse.

Not possible
C
Anchor to foundation
On a solid foundation / frame
 
 

Secure the product to the foundation of your choice using suitable screws & plugs or masonry anchors (not supplied).

Make sure you have at least 5 cm / 2″ between the product base and the edges of your foundation – on all sides.

On soil / grass
 

Secure the product to the ground surface using suitable long pegs (not supplied). Please consult with an expert regarding which fasteners are suitable for other surface types.

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