Steel Joist System

The Game Changer

The SPEEDFLOOR® Steel Joist system offers extended spanning capability and unmatched constructional flexibility in almost any type of construction.

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Applications

Applications

Assembled on site 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.

Installation

Installation

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.

See who is using Suspended Concrete Flooring and Steel Joist System

The SPEEDFLOOR® Suspended Concrete Flooring and Steel Joist System meet Australian and New Zealand building standards, and have been used in many construction projects around New Zealand. Chances are you have parked in one of the carparks or been in a building with our Suspended Concrete Flooring or Steel Joist System. Use our interactive map to view sites around the country that use our products.

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High Tensile Strength

High Tensile Strength

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.

System Advantages

System Advantages

  • 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.

Suspended Concrete Flooring Load vs Span Calculator

Use our free calculator to determine the combination of joist, concrete thickness, joist spacing, deflection limits and loads that will influence the solution that’s right for your project.

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FAQs

Span tables for the four joists sizes are available in the Steel Joist Product Manual to suit both Commercial and Residential design loads.

Yes, the steel joist easily works in timber framed buildings as the joist dimensions match the dressed timber equivalents.

Yes, the SPEEDFLOOR® Steel Joist can be cut with cold cut blades in appropriate tools. if the joists are cut using 'hot cuts' like grinder blade, the cut edge needs to be touched up with cold galv to protect the steel coating.

Each project is assessed and quoted on a job by job basis. Contact us with your requirements.

Downloadable Brochure

Speedfloor-Steel Joist Systems-Brochure-Nov 23

PDF | 3.63 MB

Downloadable Brochure

Speedfloor-Steel Joist Systems-Brochure-Nov 23

PDF | 3.63 MB

Downloadable Manual

Speedfloor_Steel Joist Systems_Manual_09032023

PDF | 6.16 MB

Downloadable Manual

Speedfloor-Steel Joist Systems-Product Manual-Nov 23

PDF | 6.45 MB

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