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Steel Sheds In Queensland & Australia Wide • 1300 365 055

Rijak • Industrial, Commercial & Rural Steel Building Constructions

About us

Rijak Constructions Pty Ltd is an entirely Australian-owned and operated construction company. Established in 2005, Rijak initially manufactured steel buildings in Sydney however during the past five years, Rijak’s reputation has become so renowned that our services are now in demand throughout Australia, New Zealand and the Pacific region. Rijak Constructions Pty Ltd specialises in the manufacture and erection of clear-span industrial factories constructed to the highest specification and using the very best material. Put simply, they are Built To Last. We have grown to become an industry leader in the steel-frame market. Our past projects in New Zealand, Fiji, Vanuatu, New Caledonia have allowed us to gain extensive international experience, which will be utilised in your project.

Our factories

Our buildings are manufactured from universal beam for long life and low maintenance and engineered to comply with relevant Australian Standard codes. Wind and cyclone loads are in accordance with SAA (Standards Australia Association). We provide factories for many industries – Agriculture, Commerce, Government, Commercial and Domestic applications. We supply a range of building designs that are fully available to be customised to suit your requirements. The range is available in all wind categories, including cyclonic rated buildings for cyclone affected areas.

Our Specialisations

Cyclone rated buildings

Farming, Agriculture and Machinery Sheds

Gantry crane Installations

Standard wind load buildings

Snow loading buildings

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Technical specifications

  • Sheeting produced from METROLL AUSTRALIA in both ZINCALUME® and COLORBOND® options.
  • We use extra strengthening feature as standard on all buildings. Purlins and girts are designed with added overlap for significant strengthening; plus a rafter-over-column haunch system that is unique, delivers ultimate integrity to the most fundamental connections in the building.
  • Factories can be created in any size ranging up to 50 meter clear span
  • Designed for full or partly enclosed, walls. There are also models which may also be enclosed with concrete panels or other fire rated systems i.e. Bessa blocks.
  • Our factories are Portal frame modular with span and eave heights to suit your requirements.
  • Designed for footing or piers.
  • Skilled engineers are available to develop new designs for new locations, building codes or specific requirements.


Only the latest and most reliable techniques and materials are used to produce our structures. Our range of buildings includes designs in the following sizes: * Spans (clear): 9m to 50m * Heights (wall): 4.5m to 15m – We specialise in clear span building (meaning no internal columns for a clear work area with no obstructions).