Sigma 26
Sigma 26
Approx Size: 10' × 26' × 7'
Bring the tropical heat of the Caribbean to your own backyard in the middle of winter. Enjoy your own micro-climate where you can grow sweet new fruits and flavorful vegetables beyond the limitations of the weather outdoors — a space where you can harvest, snack, or sit and feel wonderful among your plants.
Features
Strong and spacious: long-lasting construction, weather-resistant materials, and roomy design.
- Wind resistant up to 65 mph for those living in gusty climates.
- Withstands a snow load of up to 3 feet (32 psf)
- Made with a heavy-duty galvanized pipe frame and strong polycarbonate panels
- Arched shape - so the wind, snow, and hail just slide off the sides.
- Extendable beyond 100ft - 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.














- Description
- Reviews
- Shipping
The Sigma 26 was designed with a focus on spaciousness and stability. This greenhouse is perfect for 3 or 4 seasons of growing, allowing you to harvest fresh fruits and vegetables well into the colder months. Our Sigma greenhouses are built to last, featuring a rounded design and creative construction that brings heavy-duty greenhouse engineering into your own backyard.

Exact size: 118.1 x 83.9 x 315.79 inches
The end-to-end airflow, spacious size, and high 7ft 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.
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.
- 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.
The package for Sigma 26 10' × 26' × 7 ' consists of the following boxes:
L, (in) | W, (in) | H, (in) | Weight, (lbs) | Quantity | |
Sigma Base 1 | 80 | 9 | 4 | 90 | 1 |
Sigma Base 2 | 77 | 23 | 3 | 92 | 1 |
Sigma Polycarbonate Base | 83 | 44 | 3 | 55 | 1 |
Sigma Extension | 77 | 17 | 3 | 58 | 2 |
Sigma Polycarbonate Extension | 83 | 44 | 2 | 20 | 3 |



