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Skillion roof garages use a single-slope roof design that channels water in one direction. The flat angled roof creates a clean, modern look while handling drainage efficiently, and the straightforward construction keeps costs down compared to more complex roof styles.

Fair Dinkum Builds constructs skillion roof garages using Australian BlueScope steel throughout, with site-specific engineering for your wind region. You decide the roof pitch, door placement, and features that make the build work for your property. We handle everything from design and council approval through to installation and handover, so you get a structure that suits both your aesthetic preferences and practical needs.

Ready to discuss your project? Check out our Shed Designer App or submit a quote request, and we'll talk through what works for your space.


Why choose a skillion roof garage

A skillion roof garage is a good choice if you want a modern, minimalist look or need a cost-effective roof design that still handles weather properly. The single-slope construction uses less material than gable roofs, which reduces both material costs and construction time. The design also works well on sloping sites where a flat roof wouldn't drain effectively and a gable roof might sit too high.

The angled roof sheds water quickly to one side, which is important in areas with heavy rainfall. You control where the water goes by positioning gutters and downpipes along the lower edge, making it easier to direct drainage away from your property or connect to existing stormwater systems.

Skillion roof garage designs suit properties where you're after a contemporary aesthetic or want the garage to complement a house with similar architecture. The clean lines and simple profile give the structure a sleek, uncluttered appearance that works across different property styles. Many modern residential garages use skillion roofs for this reason.

The design also accommodates solar panels more effectively than some other roof types. The single-slope angle can be positioned to face north (in Australia) for optimal solar panel placement, giving you a garage roof that generates power while protecting your vehicles.


Customise your Skillion Roof Garages

Every skillion roof garage we build starts with your requirements. You choose the profile, colours, door configuration, roof pitch, and extras that make the structure work for how you'll use the space.

Choose your Profile

Stramit® Corrugated offers a cost-effective and reliable option for roofing and walls. This profile combines traditional roofing methods with contemporary design and engineering, delivering lightweight, durable construction that installs quickly. It's widely used across Australia for its proven performance.

Stramit Monoclad® balances water-carrying capacity, wind-load performance, and simple fixing. The compatible Stramit Monolap lap joint system allows for single-plane, long-run roofs, with suitability for roof pitches as low as two degrees.

Stramit K-Panel® provides wide-covering wall sheeting that works well for smaller garages. Its lower profile allows for smaller flashing (helpful for tighter budgets), whilst the conventional fastening system makes installation quick and simple.

Stramit Monopanel® gives your garage exterior clean, fresh lines. Available in a wide selection of COLORBOND® steel colour options, though not available in Queensland, Northern Territory, or Western Australia.

Stramit® C-Clad 280 features traditional lines with concealed fasteners. The low profile lets you use smaller flashing, and it can be installed both horizontally and vertically. Easy installation and cleaning make this a practical choice.

Stramit SharpLine® adds elegance and class to your garage through its striking appearance. This architectural wall cladding attaches with direct-fix fasteners and lets your architectural creativity shine through.

Choose your Colour

The large range of COLORBOND® steel range of designer colours offers a classic and contemporary palette to enhance the beauty of every build.

COLORBOND® steel
Southerly®

COLORBOND® steel
Bluegum®

COLORBOND® steel
Night Sky®

COLORBOND® steel
Surfmist®

COLORBOND® steel
Shale Grey™

COLORBOND® steel
Evening Haze®

COLORBOND® steel
Dune®

COLORBOND® steel
Woodland Grey®

COLORBOND® steel
Monument®

COLORBOND® steel
Gully™

COLORBOND® steel
Jasper®

COLORBOND® steel
Wallaby®

COLORBOND® steel
Ironstone®

COLORBOND® steel
Deep Ocean®

COLORBOND® steel
Windspray®

COLORBOND® steel
Basalt®

COLORBOND® steel
Pale Eucalypt®

COLORBOND® steel
Cottage Green®

COLORBOND® steel
Manor Red®

COLORBOND® steel
Paperbark®

COLORBOND® steel
Classic Cream™

COLORBOND® steel
Dover White™



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The COLORBOND® steel colour swatches displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

COLORBOND® steel and ® colour names are registered trademarks of BlueScope Steel Limited. ABN 16 000 011 058.

More weather protection for steel industrial buildings in coastal and industrial environments.

COLORBOND® Ultra steel
Shale Grey™

COLORBOND® Ultra steel
Monument®

COLORBOND® Ultra steel
Woodland Grey®

COLORBOND® Ultra steel
Surfmist®

COLORBOND® Ultra steel
Dune®

COLORBOND® Ultra steel
Wallaby®

COLORBOND® Ultra steel
Windspray®



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The COLORBOND® Ultra steel colour swatches displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

COLORBOND® Ultra steel and ® colour names are registered trademarks of BlueScope Steel Limited. ABN 16 000 011 058.

Create a softer, more subtle look with a true Matt finish.

COLORBOND® steel Matt
Bluegum®

COLORBOND® steel Matt
Monument®

COLORBOND® steel Matt
Basalt®

COLORBOND® steel Matt
Surfmist®



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The COLORBOND® steel Matt colour swatches displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

COLORBOND® steel Matt and ® colour names are registered trademarks of BlueScope Steel Limited. ABN 16 000 011 058.

Achieve the design edge you’re looking for with the UniCote® LUX world-first, innovative multi-paint method and stand out from the crowd.
UniCote® LUX finishes are only available in Stramit SharpLine® and Monopanel® cladding.

UniCote LUX Stramit Silver Quartz Swatch

UniCote® LUX
Silver Quartz

UniCote Lux Stramit Weathered Iron Swatch

UniCote® LUX
Zinc Graphite

UniCote Lux Stramit Pentagon Swatch

UniCote® LUX
Pentagon

UniCote Lux Stramit Spectrum Swatch

UniCote® LUX
Spectrum

UniCote Lux Stramit Weathered Iron Swatch

UniCote® LUX
Weathered Iron

Swatch of close up UniCote LUX Ashwood woodgrain texture

UniCote® LUX
Ashwood



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The UniCote® LUX images displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

UniCote® is a registered trademark of Colossal Management Pty Ltd.

Apply MagnaFlow® sheeting to your steel building projects for more durability and extra protection in corrosive environments.

MagnaFlow®
Off White

MagnaFlow®
Birch

MagnaFlow®
Armour Grey

MagnaFlow®
Slate Grey

MagnaFlow®
Monolith



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The MagnaFlow® colour swatches displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

MagnaFlow® is a registered trademark of Fletcher Building Holdings Limited.

SuperDura™ Stainless steel is design to provide performance in severe coastal and industrial environments.

SuperDura™ Stainless steel
Windspray®

SuperDura™ Stainless steel
Dune®

SuperDura™ Stainless steel
Deep Ocean®



Colour lead times may vary on certain finishes in some areas. Check with your Fair Dinkum Builds representative before ordering.

The SuperDura™ Stainless steel colour swatches displayed have been reproduced to represent actual product colours as accurately as possible. However, we recommend checking your chosen colour against an actual sample of the product before purchasing, as varying light conditions, screens and devices may affect colour tones and finishes.

SupaDura™ Stainless steel and ® colour names are trademarks of BlueScope Steel Limited. ABN 16 000 011 058.

Choose your Roller Doors

Shed with a Tauean Novataur residential roller door
Shed with Taurean Prime residential roller door
Shed with a Taurean Windstrong windlocked roller door

Choose your Extras

InfinitiLine® gutter provides excellent water-carrying and high-performance overflow protection in heavy rain events. The InfinitiLine gutter's overflow protection slots are concealed to maintain a smooth continuous line and reduce the risk of water damage to your garage or its contents. Available in NSW and ACT only.

Open or closed-in gables let you choose your design approach. The high pitch of gable roofs provides excellent water dispersion and can be used in combination with eaves and other design options to make your garage stand out. Opt for an open or closed gable design depending on your needs and tastes.

Skylights let natural sunlight into your garage space with fibreglass or polycarbonate sheeting. This saves on heating or lighting costs during the day. Our polycarbonate skylights are extra strong and made to endure many years of use.

Other gutters give you a wide range of options to create a rainwater solution that suits your garage and property. Various styles and sizes are available to ensure compliance with regional requirements. The gutters we offer come in a wide variety of COLORBOND® steel colour options.

Insulation reduces heat transfer through the roof and wall cladding, making the interior more comfortable if you're spending time working inside. This matters particularly with skillion roofs because the angled design can create temperature variations between the high and low sides without proper insulation. For more detail on how insulation affects steel buildings, our guide to sheds with insulation explains thermal performance across different configurations.

Windows bring natural sunlight into the garage, reducing reliance on artificial lighting during the day. You can position windows based on where you need light most: near workbenches, storage areas, or along walls to maximise daylight. Our guide to sheds with windows explains how window placement affects both light quality and ventilation.

Personal access doors give you entry to the garage without opening roller doors. This saves time if you're moving between the garage and house regularly, or accessing tools and equipment on foot.

Concrete slab provides a solid, level base for the entire structure. We can organise this as part of the complete project, so you don't need to coordinate a separate contractor. A properly prepared slab supports vehicle weight and accommodates the drainage requirements of your skillion roof design.

Extended eaves add covered area beyond the roofline on the high side, creating shelter for outdoor storage or workspace. The extended eaves protect the walls from weather and can be positioned to cover doorways or windows.

30-year system warranty
Compliant and safe design

Common use cases for Skillion Roof garages

People build skillion roof garages for specific reasons, usually because they want a modern aesthetic, need cost-effective construction, or have site conditions that suit the single-slope design.

Modern residential garages: Homeowners building new garages to match contemporary house designs choose skillion roofs for the clean, minimalist architectural style. The single-slope design complements modern homes and creates visual consistency across the property. The sleek profile suits urban and suburban properties where aesthetics matter.

Sloping site construction: Properties with sloped or uneven ground benefit from skillion roof designs because you can align the roof pitch with the site gradient. This reduces the need for extensive earthworks and makes the garage sit naturally on the property without requiring extensive levelling.

Budget-conscious builds: People wanting affordable garage construction choose skillion roofs because the simpler design uses less material and takes less time to construct than gable roofs or more complex styles. The cost savings apply to both materials and labour, making skillion roof garages cheaper without sacrificing quality or durability.

Solar panel installation: Property owners planning to install solar panels choose skillion roofs because the single-slope design provides a continuous surface facing one direction. You can orient the roof to face north for optimal solar exposure, turning your garage roof into a power-generating asset.

Workshop and storage sheds: Tradies and hobbyists use skillion roof garages for workshop space or storage because the design provides good headroom on the high side while keeping costs down. The modern aesthetic appeal suits properties where the garage is visible from the street or house.

Farm and rural applications: Rural property owners choose skillion roof garages for vehicle and equipment storage because the design is affordable, durable, and handles weather effectively. The straightforward construction works well for farm buildings where function matters more than elaborate design, but you still want a structure that looks good and lasts.

The flexibility of skillion roof garage designs means they work across different property types and uses without requiring complex customisation.


Common sizes for Skillion roof garages

Skillion roof garages come in dimensions that suit your property and what you're storing. The roof design works across different sizes without affecting structural performance.

6m × 6m (double garage): This size accommodates two standard vehicles with enough room for doors to open comfortably. The skillion roof on this footprint creates a compact, modern structure suitable for residential properties with limited space.

9m × 6m (extended double garage): The extra length provides room for longer vehicles or creates storage space behind parked cars. This is a popular configuration if you're using part of the garage for workshop activities or need to store equipment at the back.

12m × 6m or larger: This suits properties needing substantial vehicle storage or workshop space. The skillion roof can span these dimensions effectively using proper engineering and support, with the maximum span depending on your specific roof pitch and wind region requirements.

Custom dimensions: If standard sizes don't fit your property or requirements, we'll build to your specifications. Your Fair Dinkum Builds representative will work through what makes sense based on what you're storing, property boundaries, and any council restrictions on building size. For a detailed breakdown of how garage dimensions work, our garage dimensions and sizes guide explains clearances and layout options.


Where we can build your skillion roof garage

Fair Dinkum Builds operates across Australia through local teams who understand regional requirements. This includes site-specific engineering for your wind region, navigating council processes, and building to Australian Standards.

We construct skillion roof garages in metro and regional areas, on residential blocks, rural properties, and farm locations. The process remains consistent regardless of location: you work with a local representative who manages everything from initial design and planning through to final installation.

The structure is manufactured using the highest quality materials and engineered to suit your specific conditions. Your local Fair Dinkum Builds team handles the structural calculations and ensures the design meets safety requirements, so you don't need to research specifications yourself.

Contact us with your property location and we'll connect you with the right team to progress your project.

FAQs about building a shed

Will I need to get council approval to build a skillion roof garage?
How much will a skillion roof garage cost to build?
Can you insulate a Skillion Roof Garage?
How does stormwater drainage work with a skillion roof garage?
What's the difference between a skillion roof and a flat roof?