Steel Joist Systems

The Speedfloor Steel Joist system is an engineered floor solution providing exceptional performance and construction efficiency making it the ‘Smart Choice’. The system consists of cold formed, galvanised c-sections incorporating a unique ‘tab’ connection in the perimeter channel with an option for pre punched service holes in the joist sections.
Suspended Concrete Flooring Transportable Concrete Floor


The long spanning capability and construction flexibility along with the many other features allow the steel joist to be easily included into a variety of building designs and construction methodologies.

The Speedfloor Joist System is fully engineered and offer span tables that assist with council approvals. Specifications for fire ratings and acoustic solutions for architects, engineers and developers are also available.

Applications include mezzanine floors in commercial buildings, floors in portal framed sheds, platforms for industrial structures, residential mid floors, sub floors on piles and transportable units.


Speedfloor cold formed joists are manufactured from high strength, pre-galvanised steel coil conforming to AS 1397. The minimum mass coating of galvanising is 275g/m2. The standard steel used is grade 250 and has a minimum yield stress of 250MPa and a minimum tensile stress of 280MPa.

Span tables are available on request and are published in the Speedfloor Joist Product manual which can be downloaded from this website.