Why Steel

The Smarter, Stronger
Choice for WA.

More builders are making the switch. Here’s why the steel frames WA builders now specify consistently outperform timber across every major building category.

Steel vs. Timber

The Facts

100% Termite Proof
Western Australia has some of Australia's most aggressive termite populations. Steel frames are completely immune — no chemical treatments, no re-inspections, no call-backs.
Fire Resistant
Steel is non-combustible and won't ignite or add fuel to a fire, making it the preferred framing choice for construction in bushfire-prone areas, up to the highest bushfire attack levels (BAL).
Cost Effective
Upfront material cost is comparable to hardwood, yet steel frames Perth homeowners choose cut total project cost through faster installation, less waste and zero maintenance.
Environmentally Friendly
Steel is the world's most recycled material. Our frames contain up to 40% recycled content, produce minimal off-cut waste and are 100% recyclable at end of life.
Precision Manufacturing

Straight, True &
Dimensionally Accurate

One of the biggest complaints builders have with timber is inconsistency: bowed studs, twisted plates and oversized crown. With Trueline, you get steel framing Perth trades can trust, with every member CNC-precision cut to exact dimensions.

The result: plumb walls, level floors, square openings and faster lining, with no packing or planing studs. Your trades will thank you.

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Built Tough

Engineered for WA's Climate

Western Australia presents unique building challenges: extreme heat, salt-laden coastal air, cyclonic wind regions and high termite pressure. As one of the steel frame suppliers Western Australia builders rely on, Trueline engineers for all of them:

  • ✓Cyclone Rated — Engineering available for cyclonic wind regions C and D
  • ✓Coastal Compliance — Z275 galvanised and AZ150 coating options for coastal and marine environments
  • ✓Bushfire Rated — Non-combustible framing suited to BAL-FZ construction
  • ✓Termite Zone 1 & 2 — No chemical barriers required
Full Specification

Light Steel Framing Specification

Every Trueline frame is manufactured to AS 1397 (steel sheet and coatings) and AS/NZS 4600 (cold-formed steel structures), using S-section profiles for wall and roof truss members, C-sections for floor joists and beams, and Hat sections for roof and ceiling battens.

SectionThicknessGradeCoating
S890.75mm / 1.00mmG550AZ150
C1501.5mmG350Z275
C2001.9mmG350Z275
C2502.4mmG350Z275
Compatible Systems

Compatible Envelope Solutions

As a steel frame supplier Perth builders buy from direct, we custom-manufacture every frame to integrate seamlessly with standard external systems, with pre-punched service holes and exact tolerances.

Fibre Cement Cladding
Complying with AS2908.2
Standard Steel Sheet Roof
Complying with AS2728 / AS1397
Aluminium Window & Door Framing
Complying with AS2047 / AS2208
Supply Chain

Trade Delivery & Logistics Support

Custom Design for Perfect Container Fit
Every order is engineered to load efficiently.
Maximised Container Utilisation
Reducing freight cost and waste on every shipment.
Extensive Loading & Stuffing Experience
Proven container packing process, direct to site.
Our Process

Trueline Supply-to-Site Speed

1Precision Off-Site Prefabrication
Frames engineered and manufactured off-site to exact specification.
2Rapid On-Site Component Assembly
Cut-to-length, labelled components assemble fast on-site, with no on-site cutting.
3Lock-Up Stage Ready in Record Time
Straight, true frames mean faster lining and earlier lock-up.

Make the Switch to Steel.

Looking beyond the usual steel frame suppliers Perth has to offer? Talk to our team and get a supply quote for your next project.