Early-stage projects often begin with incomplete information, changing requirements or competing priorities between stakeholders.

TechSpan Solution:
We work with your team during the concept stage to help define the structural pathway, turning early ideas into a clear and practical solution.

Large projects involve multiple internal teams, consultants, contractors and governing bodies. Without clear coordination, misalignment can quickly introduce delays and risk.

TechSpan Solution:
We provide structured coordination, clear documentation and defined communication pathways to keep stakeholders aligned throughout the project.

Facilities often need to remain operational during expansion or redevelopment, and disruption can impact productivity, revenue or service delivery.

TechSpan Solution:
Structural solutions are planned around operational constraints, helping minimise disruption and maintain continuity during construction.

When responsibility for structural design and delivery is spread across multiple parties, accountability can become unclear and project risk increases.

TechSpan Solution:
We can lead the structural solution end-to-end alongside your builder partner, aligning consultants, documentation and delivery under clear responsibility.

Project delays can impact finance approvals, operational timelines and personal plans.

TechSpan Solution:
Our Concept. Configure. Construct. process confirms key details early, helping protect your programme before steel reaches site.

Off-the-shelf shed designs don’t always suit site conditions, workflow requirements or long-term operational needs.

TechSpan Solution:
Choose from industry-specific SmartKits or a fully customised structural solution engineered to suit your site, scope and how you actually work.

Before materials arrive on site, it can be difficult to know whether the structure will perform as expected or meet compliance requirements.

TechSpan Solution:
Because we design and manufacture in-house, you gain confidence that your structure is engineered correctly, compliant and built for long-term performance.

When the structural scope isn’t clearly defined, project budgets can shift and variations may appear later during construction.

TechSpan Solution:
We engineer clarity early, defining scope and structural requirements before fabrication begins to help protect your budget.

When structural design, engineering and fabrication are poorly aligned, clashes and revisions can appear during construction, causing delays and cost blowouts.

TechSpan Solution:
Integrated engineering, documentation and 3D BIM coordination improve accuracy before steel reaches site.

Many builders want to pursue larger clearspan structures but lack the internal structural expertise or supply partners to confidently deliver them.

TechSpan Solution:
Partnering with TechSpan expands your capability, providing structural expertise, engineering support and manufacturing capacity for larger projects.

Managing structural design, revisions, documentation and supplier coordination adds pressure to already stretched project teams.

TechSpan Solution:
Our team carries the structural package, reducing builder workload through clear documentation, defined responsibility and coordinated delivery.

Large clearspan buildings involve structural engineers, consultants, builders and multiple trades. When these groups operate independently, coordination gaps can appear between drawings, approvals and site delivery.

TechSpan Solution:
TechSpan coordinates the structural scope from Concept → Configure → Construct, aligning design, documentation and fabrication to keep projects moving smoothly.

Wind Region D has an ultimate design wind speed of 88 m/s (316.8 km/h). This severe cyclonic wind region generally covers areas up to 50 km inland from the central coast of WA.

Wind Region C has an ultimate design wind speed of 64.5 m/s (232.2 km/h). This cyclonic wind region generally covers areas up to 50 km inland from the coast of northern QLD, NT and northern WA.

Wind Region B has an ultimate design wind speed of 51.9 m/s (186.84 km/h). This sub-cyclonic wind region generally covers areas up to 100 km inland from the coast of QLD, NT and much of WA.

Wind Region A has an ultimate design wind speed of 41 m/s (147.6 km/h). This region covers most of Australia.

Australia is divided into wind regions based on the wind speeds expected in each area. These regions are classified as Region A, Region B, Region C and Region D under the current standards.

The wind speed used for design is determined by the region where the building is located.

Installed between the concrete floor and wall cladding to prevent vermin such as lizards and snakes from entering the building. It also helps prevent corrosion of the wall cladding caused by direct contact with the concrete slab.

Steel members used to support the roof of a shed. They are typically fabricated from galvanised square tube to form a web truss, bolted at the apex and the haunch.

A common cladding profile with five distinct ribs and wide, flat pans between the ribs.

A lightweight purlin sometimes used on light-duty sheds or small spans.

Refers to the topography of the shed’s location, including altitude, slope and orientation.

Terrain with many large and closely spaced obstructions such as dense urban or heavily built-up areas.Terrain with many large and closely spaced obstructions such as dense urban or heavily built-up areas.

Terrain with numerous closely spaced obstructions, including suburban housing or light industrial areas.

Open terrain with some obstructions such as houses, farm buildings or trees.

Open terrain with scattered obstructions such as low vegetation or isolated buildings.

Very open and exposed terrain with little or no shielding from surrounding structures or vegetation.

The characteristics and surroundings of the shed’s location.

Screws used to fix cladding to the shed structure.

The overall thickness of coated or coloured sheet steel. This includes the Base Metal Thickness plus any paint or coating.

The width of the shed, or the distance between columns.

The concrete floor of a shed.

Translucent sheeting used in place of roof cladding to allow natural light into the building.

A roof style with one high side and one low side, with a single sloping roof and no gable.

Safety mesh fixed to the roof structure before insulation and cladding are installed. It helps protect installers during installation and maintenance.

A roof ventilator is installed near the apex of the roof to draw air from the building and assist with ventilation. It helps maintain air circulation, reducing moisture and mould in winter and heat build-up in summer.

The angle of the roof in relation to the ground. Common roof pitches are 5° or 7.5°.

Folded flashings that seal the gap where the roof cladding meets at the ridge of the building, helping prevent water ingress and protect the building from weather.

An alternative name for a roof truss. Rafters are typically made from Universal Beam (UB) sections.

Roll-formed structural members that run perpendicular to the trusses to support roof cladding.

A structural frame typically made up of two columns and one or more trusses or rafters.

A Personal Access door is a small door used for personnel access. These are commonly required on industrial buildings for use as fire exits.

A shed with one side, or part of a side, left open without wall cladding to allow access.

A building design where one or more internal columns support the roof rafters mid-span to create a larger covered area.

A vertical member in end walls used to support end wall cladding. The term is also used for the vertical members that support the sides of roller doors.

A raised floor installed within the shed structure.

The distance from the front of the building to the back along the eave side. For example, a shed with three four-metre bays would have a length of 12 metres.

A strengthening member between the truss or rafter and the column. Commonly used on purlin sheds.

Materials used to insulate a building and improve thermal performance.

The importance level is determined by how the building will be used, its location, and the level of risk to human life and surrounding structures if it were to be damaged.

Farm sheds are typically Importance Level 1, while industrial buildings are usually rated Importance Level 2 or higher.

Pre-fabricated bolt assemblies cast into the concrete piers that the columns are fixed to. They are typically around 1 metre in length, depending on the size of the shed.

The distance between the ground and the underside of the eave.

The connection between the column and the truss.

A small bracket used to support the gutter of the shed.

A gutter is a steel channel that runs along the eave of the roof. It collects and carries away rainwater.

A general-purpose bracket used to attach headers, girts, mullions and other shed components

A cleat used to attach wall girts to columns and roller door jambs.

Roll-formed structural members that run along the length of shed walls to support wall cladding.

A girder truss (or header beam) is the beam running across the opening of a bay or roller door. It provides horizontal support above the opening and is often used to attach sheeting.

A small enclosed shed used to store cars and other household goods.

A gable is the most common roof style for sheds. It has two sloping roof sides that meet at the ridge, forming a triangular end. The gable wall is the end wall of the shed with this triangular shape.

The main structural skeleton of the shed that cladding, doors, windows and other components are attached to.

The footings of a shed are also known as piers. These are typically bored holes in the ground with steel hold-down bolts cast into the concrete for the columns to be fixed to.

Bracing that supports the truss and keeps it square to the purlins.

When purchasing a steel building, you will be issued with an engineer’s certificate. Each certification is prepared specifically for your structure based on site conditions and the intended use of the shed.

An engineering certificate is typically required when submitting a building application to your local council.

During the design stage, an engineer evaluates the structural design and site conditions to confirm the building complies with relevant standards and requirements. Further feedback or recommendations may be provided where required.

The wall located at the gable end of a shed.

Pipes that carry stormwater from the gutter to the ground or a tank. They are commonly made from PVC.

The vertical portion of a door frame that a door is secured to.

The bracing effect provided by roof and wall cladding on a building.

Buildings engineered to higher structural strength requirements for locations within cyclonic regions (Region C).

CUSTOM ORB is a  corrugated roof and wall cladding profile manufactured by BlueScope Steel.

Diagonal bracing members that keep the shed straight and square when it is under load.

Angled steel cappings installed vertically at corners to cover gaps between cladding and make the building watertight.

The upright structural member of a shed.

COLOURBOND brand of pre-coated coloured steel cladding manufactured by BlueScope Steel.

Steel plates used to connect sections of the shed together using bolts or tek screws.

A non-habitable building classification under the Building Code of Australia. This typically includes structures such as sheds, garages and carports.

A residential building classification under the Building Code of Australia. This includes detached houses and attached dwellings such as townhouses or terraces.

The external metal sheeting of the building. It is available in two profiles: Corrugated (Custom Orb) and Trimdeck.

Cladding can be supplied in a COLORBOND® or zinc finish.

This is a type of steel purlin that is shaped like the letter C.

A list of the raw materials, parts, assemblies and components required to build your shed.

Base Metal Thickness
The thickness of the underlying metal material, not including coatings, finishes or paint layers.

The Building Code of Australia (BCA) is the national set of technical standards that buildings must meet to be legally constructed in Australia.

It forms Volumes One and Two of the National Construction Code (NCC), which is the overarching framework for building regulation across the country.

In simple terms: The BCA sets the minimum requirements for how buildings must be designed and built so they are safe, healthy and perform properly.

The space between the Portals frames is known as ‘1 Bay’. This is different to the Span with is the measurement between the columns parallel with the rafter

The plate on the base of a Column the attaches the shed to the concrete footings.

Barge Cappings are typically right angled flashings installed at each end of your shed. The capping seals the gap between the top of the wall sheeting and the side edge of the roof cladding.

The peak of the roof line. An apex is the name given to the joint that connects the two rafters at the highest point of a gable shed roofline

If something is accredited it means that it is given authority and meets recognized standards overseen by an official body

Australian Steel Institute (ASI) Shed Group promotes the construction of cold-formed shed structures and promotes steel shed industry compliance. TechSpan Sheds are built from structural steel, a much stronger alternative the cold formed sheds

Yes. Our online 3D Shed Designer is completely free to use.

It’s a simple way to explore layouts, customise designs, and visualise how your shed could look before you speak with our team.

 

We work with experienced builders who value quality, precision, and communication.

If you’d like to collaborate with TechSpan, get in touch through our partnership enquiry form — our team will discuss current opportunities and how we can align on future projects

We specialise in structural steel buildings — engineered, fabricated, and delivered for strength, scale, and performance. We do not manufacture purlin or cold-form sheds. Our expertise lies in solid structural steel systems designed for durability and precision in commercial, industrial, and agricultural applications.

Yes. We regularly collaborate with external engineers, builders, and project partners to deliver the best outcomes.

Whether you need complete design-to-delivery support or structural supply only, we can align to suit your project requirements.

Yes. Our team regularly conducts site visits across New South Wales and Queensland, depending on project scope and location.

Site inspections help us understand your requirements, confirm design details, and ensure a smooth build process from the start.

We deliver and manage projects across New South Wales and Queensland, with site teams, transport, and builder partners positioned for efficient coordination.

Depending on the scope and scale, we also support projects in other regions where our capability and resources align with client needs.

Our customer care continues beyond delivery. We offer guidance for maintenance, modifications, future expansions, and new projects — supporting you long after your build is complete.

Our 3C Advantage process; Concept, Configure, Construct. Ensuring clarity from the start. With detailed planning systems and in-house control of design, fabrication, and scheduling, we keep every project on track and transparent.

Yes. All TechSpan structures are designed, fabricated, and quality-checked at our Armidale, NSW facility — ensuring control, consistency, and Australian standards compliance.

Council approvals can vary depending on the project type and location.

While TechSpan doesn’t manage the full approval process, our team can prepare the required engineering documentation and drawings and point you in the right direction for lodgement or certification.

Where needed, we’re happy to coordinate with your certifier, builder, or project manager to help keep the process running smoothly.

Your design consultation is a practical first step to defining your project.

We’ll review your site conditions, goals, and intended use, then discuss layout, engineering, compliance, and budget considerations. You’ll walk away with a clear understanding of your options and what’s possible.

We specialise in large-scale structural steel buildings—from commercial and industrial facilities to complex agriculturaland enterprise projects.

Every structure is engineered and manufactured in-house to meet specific site, scale, and performance requirements. For smaller, pre-engineered designs, our SmartKits range offers a simpler, ready-to-build option.