STEEL
FRAMES &
STRUCTURES

South East Queensland's Leading Steel Frame Provider

Blackline Structures is a leading manufacturer of high-quality light gauge steel framing (LGSF), structural steel, and custom-fabricated structures for residential and commercial projects across Southeast Queensland and Northern New South Wales. We specialise in fully engineered, custom-designed steel framing systems; tailored to your exact project requirements.

Ready to unlock architectural freedom?

Whether you’re building a new home, designing a multi-unit development, or crafting a one-of-a-kind architectural statement, our combination of cutting-edge technology, in-house fabrication, and collaborative service ensures exceptional results every time. From durable steel framing to complex structural steel and pre-fabricated aluminium elements, we support builders, developers, architects, and owner-builders with strong, sustainable solutions built to meet Australian standards and stand the test of time.

Tell us about your project and get a free frame consultation

How can we help?

Light Gauge Steel

Steel framing has been used for nearly 100 years in Australia. Can be used for almost all framing situations.

Structural Steel

Critical heavy-duty support steel for complex architectural features and large open spaces.

CurvaWall

Innovative, patented curved wall systems, pre-fabricated and ready to install, unlike traditional flat framing.