6x20 ft Glasshouse with 4 mm Toughened Safety Glass

6x20 ft Glasshouse with 4 mm Toughened Safety GlassMassive 6x20 Glasshouse for Serious Gardeners and High Yield Setups Built with 4mm Toughened Safety Glass for Strength and Visibility This 6x20ft glasshouse is fitted with 4mm toughened safety glass offering high light transmission, improved growing conditions, and superior safety. The glass is built to last and backed by a 25 year warranty for long term peace of mind. Reinforced Powder Coated Aluminium Frame for Structural Integrity Designed to

Massive 6x20 Glasshouse for Serious Gardeners and High-Yield Setups

Built with 4mm Toughened Safety Glass for Strength and Visibility

This 6x20ft glasshouse is fitted with 4mm toughened safety glass — offering high light transmission, improved growing conditions, and superior safety. The glass is built to last and backed by a 25-year warranty for long-term peace of mind.

Reinforced Powder-Coated Aluminium Frame for Structural Integrity

Designed to support a full 6-metre length, the powder-coated matt-black aluminium frame ensures exceptional structural performance with a modern, clean finish. It resists rust, warping, and wear — even in exposed or high-wind locations.

Manufactured in New Zealand. Assembled in Australia.

Winter Gardenz glasshouses are purpose-built for the challenging climates of Australia and New Zealand. They’re manufactured in New Zealand, assembled in Australia, and supported locally — so you get high-quality construction without the wait or uncertainty of overseas supply.

Full-Length Greenhouse for Year-Round Production

Measuring 1972mm wide x 5097mm long, this full-length glasshouse is ideal for experienced growers managing extensive propagation, food production, or ornamental growing. It offers serious space for shelving, raised beds, or microclimates across different zones.

• Dimensions: 1972mm (W) x 5097mm (L) x 2360mm (H to ridge)
• Height to gutter: 1620mm
• Glazing: 4mm toughened safety glass
• Frame: Matt-black powder-coated aluminium
• Wind Rating: Up to 150km/h when installed to specification
• Warranty: 25 years on glass, 10 years on frame

Download Installation Resources

To make installation easier, we’ve included both a detailed foundation plan and a general guide. These documents will help you set up your greenhouse safely and securely.

Download Foundation Plans Download General Foundation Guide

Recommended Accessories for the 6x20ft Glasshouse

Customize your greenhouse for maximum efficiency and comfort with these popular upgrades:

✅ 8x Automatic Vent Openers

✅ 6x Greenhouse Louvre Vent Kit

✅ 2x 10ft 3-Tier Adjustable Greenhouse Shelving

✅ 2x 6×10ft Shade Cover Kit

✅ 1x Aluminium Mesh Screen Door

✅ 1x Extended Top Door Rail for 6ft Greenhouse Models

✅ 1x Additional Sliding Door for 6ft Greenhouse Models

Please note: Greenhouses can only be delivered to your nearest Mainfreight Depot.