Sproutwell Imperial 4420 Polycarbonate Glasshouse 

The Sproutwell Imperial 4420 Polycarbonate Glasshouse is the perfect solution for gardeners who prioritise functionality and durability. This high-end greenhouse is designed to withstand extreme weather conditions, offering superior insulation and resilience without compromising on performance. This glasshouse provides a practical and efficient growing environment for your plants, allowing you to extend the growing season and maximise your crop yields.

Superior Durability and Insulation

The Imperial Frames are stronger than any other aluminium-framed glasshouse in this price range. The 8mm UV-protected twin-wall polycarbonate panels offer excellent insulation and are virtually unbreakable, providing a safer and more durable alternative to glass. This makes the greenhouse perfect for regions with gusty winds, snow, and extreme winter weather.

Efficient and Easy Assembly

This model features a unique 'quick smart assembly' system and a full aluminium bar capping system, eliminating the need for PVC strips, clips, or silicone for panel retention. The clever design allows for simple and efficient installation, ensuring you spend less time setting up and more time gardening.

Product Specifications

External Size: L: 4420mm x W: 2610mm x H: 2500mm (14.9x8.3x8.2ft)

Eave Height: 1750mm

Ridge Height: 2500mm

Floor Space: 10.75 sq metres

Material: Aluminium Frame / 8mm Polycarbonate

Colours: Available in Black or White

Key Features

• Powder Coated Aluminium Frame in Black or White
• Exclusive Ultra Heavy Duty Box Section Aluminium Profiles with sophisticated full aluminium bar-capping glazing system
• Quick Smart Assembly for easy installation
• FREE Decorative Ridge Cresting (Optional/removable)
• FREE Qty 2 Automatic Vent Openers (Value $130)
• 8MM UV Protected Twin-Wall Polycarbonate Panels (4MM Toughened Glass available for an extra cost)
• Full Horizontal Side Wall Bracing
• Heavy Gauge Ridge & Eave Bracing
• Double Sliding Lockable Doors
• Extra heavy-duty 4 Opening Roof Vents
• Low level door threshold for easy access
• Concrete and Timber/Earth Anchoring options available
• Stainless Steel A2-70 Grade Bolts, Screws, and Hardware throughout
• Detailed Assembly Instruction Manual and Assembly Video
• After-sales Email/Technical Support
• Genuine Sproutwell® Branded Product

*Images may show accessories such as Louvres/Shading System/Shading Brackets etc - these items are not included and can be purchased separately.

Customisation Options

This model can be raised onto a brick base or dwarf wall, with adjustable door heights for a tailored fit. This flexibility makes it perfect for any garden layout or design preference. For additional options and costs related to raised bases or dropped doors, please contact us directly.

Dimensions and Weight

• Aluminium Carton1: 254cm x 32cm x 27cm – 55 kg
• Aluminium Carton2: 254cm x 26cm x 20cm – 48 kg
• Polycarbonate Carton: 175cm x 65cm x 17cm – 33 kg
• Aluminium Extension Carton: 172cm x 35cm x 18cm- 24kgs 
• Polycarbonate Extension Carton: 175cm x 65cm x 8cm- 11kgs
• Total Weight: 206 kg

Why Choose the Imperial Polycarbonate Glasshouse 4420?

Are you looking for a greenhouse that combines durability, efficiency, and practicality? Imagine having a robust structure that can withstand harsh weather, offers superior insulation, and requires minimal maintenance. Have you ever struggled with fragile glass panels that shatter easily? This product eliminates those concerns with its virtually unbreakable polycarbonate panels. 

Whether you’re a professional gardener or a passionate hobbyist, the Sproutwell Imperial Polycarbonate Glasshouse 4420 will enhance your gardening experience, providing a reliable and efficient environment for your plants to thrive.

Shipping Information

You can add this product to your cart and begin the check-out process to view the shipping rate, however we suggest using the contact us button at the top of the page to obtain a custom shipping quote. A custom quote may come in cheaper than the shipping quote generated at check-out. Alternatively, email us at info@greenmyspace.com.au. Send us your name and address details, and we'll follow up with an obligation-free invoice. The invoice will link you back to our website where you can check out with your preferred method of payment.

We can also organise for you to collect your greenhouse from Geelong, VIC, but please check the size and weight of the cartons (listed above) before considering this option. Shipping costs can be considerably reduced if you are able to collect the cartons from your local courier depot, or if you have a forklift at the delivery site. Please let us know if these options are available to you so we can prepare a quote with all possible options.