Sigma 39 (Gen III)

Sigma 39 (Gen III)

Approx Size: 10' × 39' × 7'

Imagine stepping into your backyard and entering a space that feels just right in any weather. A place where strong winds and heavy snow stay outside, while your plants thrive inside. A calm, productive environment where you can enjoy gardening in comfort throughout every season.

Features

Strong and spacious: long-lasting construction, weather-resistant materials, and roomy design.

  • Insulated Doors [NEW] – Helps reduce heat loss and drafts, creating a more stable growing environment and improving energy efficiency.
  • Upgraded Door Handles [NEW] – Smooth, reliable operation with a sturdy grip for easier daily access and long-term durability.
  • Aluminum Polycarbonate Trim [NEW– Securely locks panels in place along the arch for added strength, better weather resistance, and a clean, finished look.
  • Window/Door Latch [NEW] - Makes the door and window open together.
  • Improved Snow Load [NEW] - Withstands a snow load of up to 265 kg/m² (55 psf)
  • Wind resistant up to 100 km/h for those living in gusty climates.
  • Comes with two doors (one at each end).
  • Made with a heavy-duty galvanized pipe frame and 6 mm double-wall polycarbonate panels.
  • Arched shape - so the wind, snow, and hail just slide off the sides. 
  • Extendable beyond 30 metres - so you can expand your greenhouse when you're ready.
  • Maintenance-free means you have more time to focus on your garden. 
  • We offer a 5-year warranty because our greenhouse is heavy-duty and long-lasting.
  • Access to our private Facebook group to connect with and learn from other greenhouse owners.
Regular price $6,150 CAD
Regular price $6,750 CAD Save $600 Sale Sale price $6,150 CAD
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Have questions? Call us 1-877-669-1286
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About Sigma 39 (Gen III)

Take backyard growing further with the Sigma 39 (Gen III). Built with heavy-duty materials, this greenhouse supports 3 to 4 seasons of cultivation, giving you the opportunity for multiple harvests throughout the year. Its advanced engineering and durable construction bring the performance of a commercial greenhouse into a refined backyard structure.

Sigma 3x8 (Gen III) by Planta Greenhouses EU.

Exact size: 118.1 x 83.9 x 472.4 inches

The end-to-end airflow, spacious size, and high 7' ( 2.13-metre) roof height make this a comfortable place to garden throughout the day.

The greenhouse comes with:

  • two doors
  • two manual windows
  • the option to install multiple windows.

The galvanized pipe frame is both rust-resistant and durable. In addition, the construction can withstand moderate to extreme weather conditions, ensuring your garden will stay safe and flourish throughout the seasons.

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Snow Load Up To 55 psf (265 kg/m²)
265 kg/m² (55 psf) and is maintenance-free in the winter More About PSF
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Wind Resistant up to 65 mph (100 km/h)
Sturdy greenhouse construction that resists winds up to 65 mph (100 km/h)
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Extendable & Customizable
This greenhouse can be extended with additional expansion kits
 
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Shipping

Sigma 39 (Gen III) ships in these boxes:

  L, (in) W, (in) H, (in) Weight, (lbs) Quantity
Sigma Base 1 83 44 3 57 1
Sigma Base 2 83 44 2 31 1
Sigma Polycarbonate Extension 83 44 2 31 4
Sigma Greenhouse Frame 1 77 18 4 79 1
Sigma Greenhouse Frame 2 80 7 4 79 1
Sigma Greenhouse Frame 3 77 18 4 84 1
Sigma Greenhouse Extension 77 17 3 73 4
Total weight: 746

 

Greenhouses are amazing products, and they require special shipping and handling. That is the reason, we have been working diligently over the past year to secure preferential shipping rates for our customers. Most shipments across Canada and the US are between $250 and $450. 

  • We will contact you to confirm shipping price, based on your location and order size.
  • Shipping on most residential greenhouse orders is between $250 and $450, customers in remote areas may need to pay extra.
  • When you place your order, please make sure to enter the correct Phone and Address at checkout. You will be contacted by phone before the item is shipped. We cannot be responsible for deliveries to incorrect addresses.
  • As part of the delivery process, we require a contactable telephone number (for the courier company to contact you) before the item is shipped.
  • White glove delivery service isn't available. The greenhouse components are delivered in multiple boxes, the largest of which weighs 80lbs. The greenhouse will be delivered to your driveway. Please make arrangements to have the package moved to its installation location. 
  • We do not ship to PO Boxes, as in most cases you will need to sign for your item.  
  • Orders placed on weekends or public holidays will not begin processing until the next business day. 

 

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