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Garden Master GM3818 Frame Master Garden Shed

$2,026.00

(incl GST)

Spacious, Customisable Sloping‑Roof Storage

The Garden Master GM3818 Frame Master Garden Shed is a large steel garden shed offering serious storage capacity in a tidy, low‑profile design. Its generous 6.90m² interior easily accommodates lawnmowers, bikes, and bulky garden tools, while the higher front wall height improves comfort and usability. A robust 60 x 25mm internal aluminium frame delivers stability and everyday durability, and the long, shallow footprint is ideal for positioning neatly along a fence line or boundary to maximise garden space.

Key Specifications

  • Overall dimensions: Width: 3770mm, Depth: 1830mm
  • Wall height: Front: 1980mm, Back: 1830mm
  • Floor area: 6.90m²
  • Door opening: 750mm
  • Internal frame: 60 x 25mm aluminium framing
0.3mm high tensile sheet steel offers stronger protection than many competitors, with three coatings on both sides for maximum corrosion resistance.
Includes 60 x 25mm "Frame Master" aluminum system enhances the kiwi design with added strength and customization.
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.

Customisation

Customisation Options

The Garden Master GM3818 Frame Master Garden Shed offers extensive customisation so you can configure it to suit your site, access needs, and storage requirements.

Colour Configuration

  • Choose Alu‑Zinc or coloured steel.
  • Independent colour selection for walls, roof, trim, and doors from a wide range of shades including Desert Sand, Grey Friars, Gull Grey, Iron Sand, Karaka, Sandstone, Smooth Cream, Ebony, Slate Grey, Titania, and Alu‑Zinc.

Door Options & Placement

  • Choose single (included) or double doors.
  • Select hinged (standard) or sliding doors (upgrade).
  • Change the door position from the default to alternative locations on the long wall or end walls.
  • Add extra doors (single or double, including end‑wall options) for multiple access points.

Windows & Light

  • Add louvre windows to the front, back, left, or right walls, including options for extra windows.
  • Include one or two skylite roof sheets to increase natural light inside the shed.

Height & Structure

  • Increase wall height by +150mm or +300mm to accommodate taller users or longer items.
  • Upgrade to corner flashings for a refined finish on the shed’s corners.

Accessory Options

Accessories & Add‑Ons

Enhance the functionality, security, and comfort of your Garden Master GM3818 Frame Master Garden Shed with the following accessories and upgrade options:

  • GM3818 Wood Floor Kit
    Provides a dedicated timber floor surface, helping to keep stored items off the ground and improving overall usability.
  • Concrete Floor Bolt Packages (Flat or Recessed)
    Securely anchors the shed to a concrete pad for added stability and resistance to movement in high winds.
  • Corner Flashing Upgrade
    Upgraded corner trims for a cleaner, more finished appearance at shed corners.
  • Cabin Hooks
    Holds doors open securely, preventing them from slamming in windy conditions.
  • Lock T‑Handles
    Upgraded locking handles for included and additional doors, offering more convenient and secure access.
  • Securi‑Door Double Padbolt Options
    Extra padbolts for single and double doors, increasing security for valuable tools and equipment.
  • Louvre Windows
    Provide ventilation and natural light, helping to reduce condensation and brighten the interior (glass included).
  • Extra Wall Height (+150mm or +300mm)
    Raises the wall height in 150mm or 300mm increments, giving more headroom and vertical storage capacity.
  • Skylite Roof Sheets (1 or 2)
    Translucent roof panels that introduce natural daylight into the shed, improving visibility when working inside.
  • Tool Hooks (Set of 4)
    Handy hooks for hanging tools and equipment, freeing up floor space and keeping frequently used items within reach.
  • Shelf Brackets
    Brackets that support shelves for organised storage along the walls, helping to optimise the shed’s vertical space.

DIY Assembly

These sheds are designed to be DIY projects, however we also offer a full install service at fixed prices should you prefer someone else to do this for you. Typically a shed of this size would take one of the installers we use *one day*. See shed options for pricing.

Construction & DIY Information

DIY Difficulty Rating: Not specified.

Recommended Tools

  • Power drill
  • Drill bits 3.3mm
  • Riveter
  • Hammer (for floor kit)
  • Tape measure
  • Ladder or saw stool
  • Non slip gloves
  • Eye protection
  • Saw horses

Assembly Videos: Click‑through assembly videos are mentioned in the source content for additional guidance.

Instruction Link: Not provided.

Enquire about Garden Master GM3818 Frame Master Garden Shed

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© 2026 Gubba Products Ltd.

Smooth cream colour is temporarily out of stock.

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* Reference only, colours and variations may vary.
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