Steel Joist System

Rollforming Services manufactures the SPEEDFLOOR® Steel Joist System, an engineered solution which offers extended spanning capability (up to 6.5m in residential flooring) and unmatched constructional flexibility in almost any type of construction.

The galvanised C sections feature unique fold-out ‘tab’ connectors in the perimeter channel for fast and accurate joining. There is also the option of pre-punched holes for fast, efficient installation of services.

Assembled onsite or delivered as a pre-assembled cassette, SPEEDFLOOR® joists are easily configured for mezzanine floors, portal framed sheds, industrial platforms, residential mid floors and piled sub floors or integrated into timber framed buildings.

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® Steel Joist System Product Manual which can be downloaded below.

  • Strong but lightweight joists allow for easy manoeuvrability.
  • Available in the following sections with pre-punched service holes - 140, 150, 190, 240, 250 and 290mm.
  • Pre-galvanised 275g/m2 steel for long-term corrosion protection.
  • Pre-cut to length, for time and cost savings.
  • Producer Statements are available on request.

Refer to the SPEEDFLOOR® Steel Joist System page

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