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.
Structural Framing Range
FramingWall Frames
Precision-manufactured S-section studs and plates for faster, dead-straight wall framing on any project.
FramingRoof Trusses
Engineered roof trusses built to span, with web bracing and connection detail cut to your project drawings.
FramingFloor Systems
C-section floor joists and bearers for a level, dimensionally stable subfloor that won’t warp or twist.
FramingBattens
Top-hat roof and ceiling battens, roll-formed to consistent profile for a true, even finish.
CladdingWall Cladding
Compatible external wall systems with pre-punched service holes and exact tolerances for a clean fit.
CladdingRoof Cladding
Standard steel sheet roof profiles engineered to integrate directly with the Trueline frame.
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.
| Section | Thickness | Grade | Coating |
|---|---|---|---|
| S89 | 0.75–1.00mm (S89) 1.5–2.4mm (C150–C250) | G550 | AZ150 |
| C150 | G350 | Z275 | |
| C200 | G350 | Z275 | |
| C250 | G350 | Z275 |
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.
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.