Quality Custom Steel Sheds and Buildings Guaranteed

Proudly Australian Owned and Operated Since 1993

ASI Building Systems is one of Australia’s longest standing designers and manufacturers of premium pre-engineered/pre-fabricated steel structures and buildings.

ASI is founded on more than 40 years’ industry experience in design, construction and project management of quality custom buildings.

We Know Steel and Building – From Concept to Completion

Your customised steel structure will be designed and built in accordance with the Building Code of Australia. A 15-year structural guarantee applies.

ASI are engaged in the entire process, assisting with cost planning, budgeting to ensure your project meets its financial criteria and specific design requirements prior to on-site commencement.

Our Featured Rural Sheds

Aussie All Rounder


Rural farmers have made the Aussie Allrounder one of our most popular sheds, due to its perfect combination of size and affordability.

View Aussie All Rounder

Combination Bay


Our Combination Bay Shed has unbeatable flexibility, with its single and double bays giving you the convenience of multiple storage options.

View Combination Bay

Giant Farmer


Designed to accommodate the largest equipment or vehicles, the Wide and High Shed has a depth of 21 m and an overhead clearance of 6 m.

View Giant Farmer

    We work closely with our clients to help them through each stage of their customised steel project. Whatever the size, budget and requirements of your customised building, ASI can deliver Australia-wide within your budget, to deadline and the highest quality finish.

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    Our Trusted Suppliers

    Proudly Australia Owned with a network of manufacturing centres Australia Wide.

    We provide a 12 month warranty on workmanship and a 15 year structural warranty.