Updated: 08 January 2026

TRUECORE

Overview

TRUECORE® steel is a zinc/aluminium alloy coated steel with a distinctive blue resin surface finish. It is manufactured by BlueScope Steel specifically for the house framing market.

Why This Is Important

  • Made from BlueScope steel

  • Meets Australian Standards

  • Stronger (inner strength)

  • Greater quality control with fewer defects

  • Better corrosion protection and durability

  • Insecticide free

  • Reliable supply

  • After-sales support

What Is TRUECORE®

TRUECORE® steel is produced by BlueScope, the manufacturers of COLORBOND® steel. It is manufactured to all relevant Australian standards and tested for quality and consistency.

Features and Benefits of TRUECORE®

  • Frames made from TRUECORE® steel are strong and durable

  • Prefabricated and dimensionally accurate frames that are straight and true

  • Not treated with insecticides, making it suitable for minimising insecticide use

  • 100% termite and borer proof

  • Will not shrink, twist or warp over time

  • Reduces the likelihood of sticking windows, jammed doors and wavy roof lines

  • Steel stud frames will not catch fire and may assist in meeting severe flame zone requirements

  • Distinctive blue finish incorporates BlueScope’s Activate® technology for enhanced corrosion resistance

  • High strength-to-weight ratio allowing wide spans and flexible modern designs

  • Manufactured and tested by BlueScope with a 50-year warranty for eligible applicants

Tips, Best Practices & Troubleshooting

  • Ensure TRUECORE® steel is specified where termite resistance and dimensional stability are required.

  • Confirm warranty eligibility and conditions through BlueScope documentation.

  • Use TRUECORE® framing to support fire performance and durability requirements.

BlueScope Steel

Metroll

Centurion

Laser Central

Aerofast

AMIA (Advance Metal Industries Australia)

Easy Shed

AusSteel

Larnec Doors & Systems

Review & Updates

Version History:

  • v1.0 – 15 June 2021

  • v2.0 – 06 January 2026

Article Information

  • Category: Suppliers & Materials

  • Target Audience: Estimators, Franchisees, Sales Teams

  • Business Owner:

  • Version: v2.0

  • Last Reviewed: 06 January 2026