Roofing& Cladding
Galvanised, aluminium-zinc and pre-painted steel sheet for roofing, walling and architectural cladding applications.
We source a comprehensive range of coated and pre-painted steel sheet products for roofing, walling and cladding applications across Australia. Our Tier 1 manufacturing partners operate ISO 17025-certified testing laboratories and produce to international standards including ASTM, BS EN and AS/NZS — with full materials certification and CBAM-compliant carbon footprint documentation.
Product Range
Hot-Dip Galvanised Steel Sheet (GI)
Zinc-coated flat steel sheet with coating mass from Z80 to Z600. Base metal thickness 0.13–3.0mm, widths to 1260mm. Used for roofing, purlins, framing and general construction.
Aluminium-Zinc Coated Steel Sheet (GL)
55% aluminium / 43.5% zinc / 1.5% silicon alloy coating for superior corrosion resistance. Coating mass AZ30 to AZ200. Ideal for roofing and walling in coastal and industrial environments.
Pre-Painted Steel — Regular Modified Polyester (RMP)
Durable pre-painted finish suitable for roofing and cladding in standard environments. Excellent adhesion, colour stability and corrosion resistance.
Pre-Painted Steel — High Durable Polyester (HDP)
Enhanced durability coating with superior UV and weather resistance. Suitable for demanding architectural and industrial cladding applications.
Pre-Painted Steel — PVDF Coating
Polyvinylidene fluoride coating offering exceptional colour retention, dirt resistance and durability. Recommended for premium architectural applications and environments within 2000m of the coast.
Pre-Painted Steel — SMP Coating
Silicone Modified Polyester coating with excellent gloss retention and weathering performance for roofing and walling in moderate environments.
Common Applications
- Residential and commercial roofing
- Architectural wall cladding and facades
- Industrial shed and warehouse roofing
- Purlins, girts and secondary framing
- Fencing, guttering and rainwater goods
- Agricultural and rural building envelopes
Relevant Standards
- ASTM A653/A653M — Hot-dip zinc-coated steel sheet
- ASTM A792/A792M — Aluminium-zinc alloy-coated steel sheet
- ASTM A755/A755M — Pre-painted steel sheet
- AS 1397 — Steel sheet and strip (hot-dip zinc-coated / aluminium-zinc coated)
- AS/NZS 2728 — Pre-finished/prepainted sheet metal products
- BS EN 10346 — Continuously hot-dip coated steel flat products
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