What We Supply

Steel Framing & Cladding.
Precision-Engineered.

Trueline Steel supplies light gauge steel frames, wall cladding and roof cladding — imported direct, engineered to Australian Standards, and delivered ready to install anywhere in WA.

Every product below is roll-formed from certified G550 high-tensile steel with a durable AZ150 corrosion coating, manufactured to AS1397 — supplied cut-to-length, pre-punched, and ready for site.

Light Gauge Steel Framing

Structural Framing Range

Wall FramesFraming

Wall Frames

Precision-manufactured S-section studs and plates for faster, dead-straight wall framing on any project.

G550AZ150Custom Heights
Roof TrussesFraming

Roof Trusses

Engineered roof trusses built to span, with web bracing and connection detail cut to your project drawings.

G550Custom SpansEngineered
Floor SystemsFraming

Floor Systems

C-section floor joists and bearers for a level, dimensionally stable subfloor that won’t warp or twist.

G350C150–C250Z275
BattensFraming

Battens

Top-hat roof and ceiling battens, roll-formed to consistent profile for a true, even finish.

AZ150Roof & Ceiling
Wall CladdingCladding

Wall Cladding

Compatible external wall systems with pre-punched service holes and exact tolerances for a clean fit.

AS2908.2Fibre Cement
Roof CladdingCladding

Roof Cladding

Standard steel sheet roof profiles engineered to integrate directly with the Trueline frame.

AS2728AS1397
Full Specification

Built to a Standard,
Not a Guess

Every section we supply — S, C and Hat profiles — is independently certified. No mystery steel, no shortcuts. Just the numbers your engineer needs to sign off.

SectionThicknessGradeCoating
S890.75–1.00mm (S89)
1.5–2.4mm (C150–C250)
G550AZ150
C150G350Z275
C200G350Z275
C250G350Z275
Why Buy From Trueline

Product Supply, Done Right

Sharper Pricing

Imported direct — no local-manufacture markup passed to you.

Fast Supply

Prefabricated and ready to install — no on-site cutting.

Custom Sizes

Engineered to your drawings, not a fixed catalogue.

AS Compliant

AS1397, G550 & AZ150 — certified, not claimed.

Get a Quote

Tell us what you're
building. We'll price it.

Send us your plans, or just a rough idea of the project — frames, cladding or both. We’ll come back with a fast, direct quote.