Large transparent Sigma 300 (Gen III) greenhouse with metal frame in a warehouse setting
Modern Sigma 300 (Gen III) greenhouse in a garden with trees and flowers
Metallic canopy structure of a Sigma 300 (Gen III) greenhouse with a view of a sports field in the background
Sigma Urban
Sigma Urban
Partial view of a Sigma 300 (Gen III) greenhouse with a curved glass panel and metal frame.
A door closeup of a Sigma 300 (Gen III) greenhouse.
A detail of a door handle of a Sigma 300 (Gen III) greenhouse.
A detail of a Sigma 300 (Gen III) greenhouse.
Close-up of a metal frame of a Sigma 300 (Gen III) greenhouse.
Sigma Urban
Sigma Urban
Sigma 300 (Gen III) greenhouse.
Close-up of a metallic door hinge of a Sigma 300 (Gen III) greenhouse.
Metallic window of a Sigma 300 (Gen III) greenhouse with visible branding on a dark background
A closeup of a Sigma 300 (Gen III) greenhouse.
Longitudinal view of a large Sigma 300 (Gen III) greenhouse with a metallic frame inside a warehouse.
A side view of a Sigma 300 (Gen III) greenhouse.
Clear polycarbonate Sigma 300 (Gen III) greenhouse with metal frame on a dark background
Metallic Sigma 300 (Gen III) greenhouse with a door and window
Transparent Sigma 300 (Gen III) greenhouse structure with open doors in a dark indoor setting
Metallic door with a reflective surface, of a Sigma 300 (Gen III) greenhouse.
Sigma 300 (Gen III) greenhouse with a curved roof and transparent panels in a dark warehouse setting.
Sigma Urban
A detail on the frame of a Sigma 300 (Gen III) greenhouse.
Polycarbonate Sigma 300 (Gen III) greenhouse in a garden with flowers and a clear sky
Semicircular Sigma 300 (Gen III) greenhouse with transparent walls and a person inside, set against a natural background.
Sigma Urban

Sigma Urban

Sigma Urban

Approx Size: 3 m × 4 m × 2.1 m

Transform your backyard into a vibrant garden that continues to flourish in the face of sizzling summers and frosty winters. A space where you can explore your green thumb by experimenting with a variety of zesty fruits and spicy peppers throughout the seasons. A tranquil retreat where you can spend time marveling at how your plants grow.

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.
  • Wind resistant up to 100 km/h for those living in gusty climates.
  • Comes with two doors (one at each end).
  • Withstands a snow load of up to 91cm (160 kg / m²)
  • 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.
€1.199,59 EUR
€1.367,54 EUR Save €167,95 Sale €1.199,59 EUR
Have questions? Call us 1-877-669-1286
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Description Reviews Shipping FAQ

About Sigma Urban

Planta Sigma Urban var búið til fyrir kraftmikla garðyrkjumenn sem vinna með þéttbýli og úthverfum. Þetta gróðurhús er tilvalið fyrir 3 eða 4 árstíð garðyrkja, svo þú getur uppskera heimaræktaða ávexti og grænmeti allt árið. Sigma safnið okkar einbeitir sér að traustri byggingu og rúmgóðri hönnun, sem færir gróðurhúsaverkfræði í mikilli vinnu beint í bakgarðinn þinn.

Nákvæm stærð: 300cm x 213cm x 402cm

Sterkur galvaniseruðu pípugrindin er ryðþolið og byggð til að endast. Það er nógu sterkt til að höndla miðlungs til erfið veðurskilyrði, halda garðinum þínum vernduðum yfir árstíðirnar.

Gróðurhúsinu fylgir:

  • tvær hurðir
  • tveir handvirkir gluggar
  • möguleikinn á að setja upp marga glugga.

Þetta gróðurhús er sérstaklega þægilegt að vinna í allan daginn vegna þess loftræsting frá enda til enda og einstök 2,1 metra þakhæð.

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Snow Load Up To 160 kg / m²
160 kg / m² is equal to 91cm of fresh snow layer or 46cm of packed snow layer 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 100 km/h
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Extendable & Customizable
This greenhouse can be extended with additional expansion kits
 
Have questions about this product?
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Reviews

Shipping

Gróðurhús eru ótrúlegar vörur,  og þeir þurfa sérstaka sendingu og meðhöndlun. Það er ástæðan fyrir því að við höfum unnið ötullega síðastliðið ár að því að tryggja viðskiptavinum okkar ívilnandi sendingarverð. Sendingarverð mun birtast á greiðslusíðunni miðað við heimilisfangið þitt.

  • Við munum hafa samband við þig til að staðfesta sendingarverð, byggt á staðsetningu þinni og pöntunarstærð.
  • Sending á flestum pöntunum í gróðurhúsum er á milli $250 og $450, viðskiptavinir á afskekktum svæðum gætu þurft að borga aukalega.
  • Þegar þú pantar, vinsamlegast vertu viss um að slá inn rétt  Sími og heimilisfang við kassa. Haft verður samband við þig af  síma áður en varan er send. Við getum ekki borið ábyrgð á afhendingu á röng heimilisföng.
  • Sem hluti af afhendingarferlinu, krefjumst við símanúmers sem hægt er að hafa samband við (til að hraðboðafyrirtækið hafi samband við þig) fyrir  varan er send.
  • Við sendum ekki í pósthólf þar sem þú þarft í flestum tilfellum að skrifa undir vöruna þína.
  • Pantanir sem gerðar eru um helgar eða almenna frídaga munu ekki hefjast fyrr en næsta virka dag.

FAQs

Residential Greenhouses

Are there doors on both ends of the greenhouse?

Yes! All of our Sungrow models come with manual doors and a manual window above the door on both ends of the greenhouse.

Do you have lean-to greenhouses?

Unfortunately, we do not have any lean-to greenhouses available at this time.

Do you make custom size greenhouses?

All of our products come pre-packaged by the manufacturer and can only be customized in length (2m extension). However, the height of the greenhouse can also be increased if placed on a base (up to 1.5m above the ground).

How is the greenhouse anchored to the ground?

Every greenhouse kit comes with optional legs that can be dug directly into the ground. The amount of legs included depends on the greenhouse size.

What is the frame made of?

The greenhouse frame is made out of heavy-duty galvanized steel.

What polycarbonate panels are used for residential greenhouses?

We use 6mm heavy-duty, double-walled polycarbonate panels with a UV-protected outside layer for our Residential Greenhouses.

What type of base/foundation is the best for me?

There are several different types of greenhouse bases, information, and pictures posted by our customers on our Customer Stories page and our Planta Facebook page. Additionally, you can learn more about "Types of Greenhouse Bases - With Pros & Cons of Each" on our blog.

FAQs Sigma ventilation window

Can I add windows for my greenhouse later?

Roof ventilation windows work as an add-on and can be installed only once the greenhouse installation is complete. Windows can be added later as well.

How many roof ventilation windows are recommended for the greenhouse?

It is strongly recommended to go with an even amount of roof ventilation windows. This is so you can place at least one on either side of the greenhouse. The amount of windows required depends on the greenhouse size, the climate you are in, and the types of plants that will be grown inside the greenhouse.

FAQs Sigma automatic ventilation window

How do the Automatic Ventilation Windows work?

Our Automatic Ventilation Windows do not require any batteries or electricity. A heat-activated mechanism will open/close the window once a certain temperature is reached.

What are the opening and maximum opening temperatures for the Automatic Windows?

The opening temperature is between 17 °C and 25°C, while the maximum opening is at 30 °C.

Sigma Greenhouses

What are the snow load and wind resistance on the Sigma models?

Sigma models can hold a snow load weight of 160 kg / m2 or 91cm of fresh snow on top of the greenhouse. The wind resistance is 100km/h.

Sigma Installation

Is there support post-purchase?

Absolutely! Our after-sales customer service team is available to answer any and every question. You can fill out our contact form or give us a call at +44 (800) 208-8945.

What resources are available to assist with greenhouse installation?

We offer several resources to help you with the installation process:

  1. Bilt App: Downloadable on the Apple Store and Google Play, it provides digitized step-by-step instructions.
  2. YouTube videos: A series of detailed video tutorials to guide you through the installation process.
  3. Printed Manual: Comes included with your greenhouse.
  4. Blog: Explore our blog for valuable insights such as "Expert Advice: 9 Tips For Installing Sungrow Greenhouses With Ease!"
  5. Customer-Only Facebook Group: Connect with other customers for valuable installation tips.

If you still need assistance, our customer service is ready to help via phone or email.

What type of base/foundation is the best for me?

This can vary depending on your location, gardening plans, and desired aesthetic. To better understand the different options available, you can find several different types of greenhouse bases, information, and pictures posted by Planta Greenhouse owners on our Customer Stories page and our Planta Facebook page. Additionally, you can learn more about it on our Greenhouse Bases blog.

Customization Options

Can I add my own vents, fans, heaters, and lights?

Of course! The polycarbonate is very easy to work with, and the galvanized steel frame is strong enough to support any additional accessories.

Can I get a longer greenhouse?

Most of our residential and commercial greenhouses are extendable up to 30 metres. Learn more about our extension kits for both the Sungrow and Sigma models.

How can I customize my greenhouse?

The customization possibilities are truly endless with a Planta Greenhouse. To help you get started, take a look through “16 Ways to Supercharge Your Greenhouse” on our blog.

Is hanging plants, heaters, and hammocks safe from my greenhouse frame? How much weight does it handle without affecting the guarantee?

It is safe to hang plants and accessories on a Sungrow greenhouse since each internal reinforcement arch can withstand up to 45.3 Kg. On the Sigma series, you can pre-drill the holes on the framing and hang small things. We would not suggest hanging anything heavier than 2.2 – 4.5 Kg per arch.

May I heat my greenhouse with fire pits or similar?

You can use any heating source inside, like electricity, gas, propane, and even wood. It may be tricky to heat with wood, as you want to ensure that you keep the stove/pit away from the panels to prevent them from melting or burning if they are too close to the fire source. In this case, the customers ideally would want to come up with an exhaust system, making sure it’s not in contact with the panels, for being a flammable material.

May I heat my greenhouse with firepits or similar?

You can use any heating source inside, like electricity, gas, propane, and even wood. It may be tricky to heat with wood, as you want to ensure that you keep the stove/pit away from the panels to prevent them from melting or burning if they are too close to the fire source. In this case, the customers ideally would want to come up with an exhaust system, making sure it’s not in contact with the panels, for being a flammable material.