Garden Master GM3030 Garden Shed

FROM

$1,585.68

(incl GST)

Large, Secure Steel Storage for Serious Backyard Projects

The Garden Master GM3030 Garden Shed is a spacious, square-profile steel garden shed ideal for serious backyard storage and light workshop use. Its generous floor area easily fits mowers, tools, bikes, and outdoor furniture while still leaving room to work. Built from high tensile steel sheets and channels, this shed delivers robust, low-maintenance performance and can be configured with colours, doors, and accessories to suit your space and needs.

Key Specifications

  • Dimensions: Width: 3030mm; Depth: 3030mm; Wall Height: 1830mm; Gable Height: 2090mm; Area: 9.18m²; Door opening: 750mm.
Specification
Sheet
Dimensions
Diagram
Gubba Garden Sheds

GM3030 Garden Shed

Specification sheet
STEEL GARDEN SHED
SKU NOGM3030
01

Room for your next project.

A generous footprint. Everyday storage. Made here in New Zealand.

Garden Master GM3030 with gable roof and single hinged door
Standard configuration · illustrative view
GARDEN MASTER · STANDARD SERIES

GM3030
Garden Shed

Steel storage for tools, bikes, the mower and your garden essentials.

9.18 m²

Base footprint area
Gable roof
Single hinged door
Width
3030 mm
Depth
3030 mm
Wall height
1830 mm
Peak height
2090 mm
02

A closer look at the dimensions

All measurements in millimetres. Standard configuration shown.

Depth 3030 mm Peak 2090 mm Wall 1830 mm
Gable-end elevation · schematic
Base width
3030 mm
Base depth
3030 mm
Wall height
1830 mm
Gable / peak height
2090 mm
Base footprint area
9.18 m²

Base dimensions are not a roof-overhang measurement. Check the installation instructions when planning clearances.

View original dimension diagram ↗

03

Steel, with layers of protection

Hi-tensile anti-rust steel cladding.

Illustration of protective coating layers above a corrugated steel sheet
Coating illustration · not to scale
Cladding thickness
0.3 mm
Material
Hi-tensile anti-rust steel
Premium paint coating
25 micron
Primer
5 micron
04

Find your colour

A finish to feel at home in your garden.



  • Grey Friars


  • Ebony


  • Karaka


  • Desertsand


  • Gull Grey


  • Sandstone Grey


  • Flax


  • Titania


  • Slate Grey


  • Ironsand


  • AZ Plain

On-screen colours are approximate. Refer to physical samples and the product’s available options before choosing. These swatches do not change your order.

05

Easy access, every day

The standard GM3030 door configuration.

750 mm opening Single hinged door
Door detail · schematic, not to scale
Door type
Single hinged
Clear opening width
750 mm

Other door configurations are available in the product options. This sheet describes the standard single hinged door.

06

Plan a solid foundation

Recessed concrete base dimensions from the original specification sheet.

2980 × 2980 mm Internal measurement 3030 × 3030 mm base footprint
Plan view · recess exaggerated for clarity
Base footprint
3030 × 3030 mm
Internal measurement
2980 × 2980 mm
Outside recess
25 mm around the outside

Before pouring concrete, confirm the base detail against the current manufacturer’s installation instructions. This diagram is a dimensional guide.

07

Flat-packed, ready to transport

Check the pack dimensions against your vehicle or trailer.

Master pack
2100 × 850 × 100 mm
Channel pack
3030 × 300 × 100 mm
Floor pack
3030 × 300 × 300 mm

Floor pack applies when a floor is ordered. Dimensions are length × width × height.

08

Get set for assembly

Have these tools and a helping hand ready.

  • Battery or electric drill
  • 3.3 mm (1/8 inch) drill bit
  • Riveter
  • Tape measure
  • Ladder
  • Non-slip gloves
  • Good shoes
  • Goggles
  • A set of helping hands
09

Made here. Made for the garden.

Garden Master sheds are New Zealand made.

50 year

Manufacturer warranty

NZ made

Made in New Zealand

50-year warranty as stated on the source specification sheet. Manufacturer terms, conditions and exclusions apply.

Garden Master Standard Series

© Gubba Products Ltd · GM3030
Standard configuration. Colours and options may vary.

GM3030 · 3030 × 3030 mm

Gubba Garden Sheds

Product Preview

⏱️ Current manufacturing timeframe: Expect dispatch in around 15 working days.

Shed Base
* Reference only, colours and variations may vary.

Brand features

0.3mm high tensile sheet steel offers stronger protection than many competitors, with three coatings on both sides for maximum corrosion resistance.
A wide range of sheds, including narrow sheds, small garden sheds, medium storage sheds, and large utility sheds, suitable for any outdoor space and storage need.
The optional timber floor kit provides an easy, cost-effective base for your shed, making it simple to build.
Erecting your shed couldn't be easier! With some basic tools and a pair of helping hands, you'll have a shed up in no time.
Choose from a broad selection of popular colours to create the perfect colour scheme and style for your outdoor space.
Backed by a 50-year warranty, giving you long-lasting confidence in the quality, durability, and performance for decades to come.

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