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122 products

    Forge ahead with confidence using our comprehensive range of steel building and construction supplies. From industrial fasteners to lintels, construction handrails, and hoop iron straps for reinforcing wall panels and roof trusses, we've got what you need to do the job.

    As the leading steel supplier of 85% of the NSW domestic market, we provide steel building and construction supplies. Our dedication to quality and relentless innovation ensures products that stand the test of time, underpinned by our unparalleled expertise. Experience the Steel Builders' — your proof of quality.

    From Foundation to Finishing Touches

    From the ground up, Steel Builders offers a robust range of high-quality builder’s hardware and steel building and construction supplies to empower your project's success.

    Time equals money, and at Steel Builders, we value both. That's why we offer prompt, dependable Sydney-wide delivery, ensuring your project stays on track with the quality materials you need to get the job done. Explore the delivery options that suit your project timeline to a tee, and feel confident our lead times are always met. And with next-day dispatch across Sydney and free pick-up at our St Mary's or Belmore warehouse, your hardy construction supplies are always at hand.

    Trust in Excellence

    Steel Builders sets the industry standard. Our products undergo rigorous testing, ensuring unparalleled reliability and performance. Check out our product drawings and brochures to witness firsthand how our steel building supplies can revolutionise your projects. Whether it's steel landscaping products, temporary fences, or builders' straps, we’ve got the solutions engineered to exceed your construction needs with strength and durability that never backs down.

    Get a quote today and discover the Steel Builders difference. Our unmatched commitment to quality equips you with the toughest products for next-level projects.

    122 products
    Smart Maxi T-Bar™ for Cavity Wall Systems - Steel Builders
    Smart Maxi T-Bar™ 250 Base for 270 Double Brick Walls
    from $810.27
    Smart R-Bar™ - Render Bars - Steel Builders
    Smart™ Render Bar Lintel | 100mm x 100mm x 6mm
    from $36.96
    Black Terracotta Grey
    Ubiflex Finio Waterproof Flashing
    from $186.18
    Concrete Lintels - Steel Builders
    Concrete Lintels | 110mm x 80mm
    from $41.20
    Sold Out
    Galintel® Galvanised Steel Lintels Cavity T-Bar - Steel Builders
    Galintel® Cavity T-Bars - Galvanised Steel
    from $620.83
    Alcor Aluminium Dampcourse - Steel Builders
    Alcor Dampcourse - Bitumen Waterproofing Membrane
    from $13.84
    Smart Shelf Angle™ - Steel Builders
    Smart Shelf Angle™ - Steel Builders
    Steel Shelf Angle Lintel
    from $393.62
    Universal Column - Steel Builders
    Universal Column - Steel Builders
    Steel Universal Columns (UC) | 100UC - 310UC
    from $75.48
    Chemset Injection Glue REO 502 600ml C/W Nozzle (Ramset) - Steel Builders
    Chemset Injection Glue REO 502 600ml C/W Nozzle (Ramset) - Steel Builders
    Chemset REO 502 (Ramset)
    $79.20
    Parallel Flange Channel - Steel Builders
    Parallel Flange Channel - Steel Builders
    Steel Parallel Flange Channels (PFC) | 75PFC - 380PFC
    from $29.42
    Universal Beams - Steel Builders
    Universal Beams - Steel Builders
    Steel Universal Beams (UB) | 200UB - 610UB
    from $90.45
    Sale
    Plastic Dampcourse - Steel Builders
    Polythene Dampcourse
    from $7.14 Regular price $7.85 Save $0.71
    Sale
    Abelflex Expansion Joint - Steel Builders
    Abelflex Expansion Joint Foam
    from $16.36 Regular price $18.00 Save $1.64
    Malthoid Flashing - Steel Builders
    Malthoid Roof Flashing & Waterproofing
    from $26.11
    Sale
    Lead Roof Flashing Roll
    from $106.04 Regular price $116.64 Save $10.60
    Galvanised External Box Grate & Frame - Traditional Pattern - Steel Builders
    Traditional Trench Grate & Frame - Galvanised
    from $234.00
    Custom Shower Grates & Drains
    from $165.00
    Sale
    Smart Retain™ Retaining Wall 90° Corner Posts - Taper Flange Channel (100TFCX50) - Steel Builders
    Smart Retain™ 90° Degree Retaining Wall Corner Post (TFC)
    from $101.15 Regular price $105.99 Save $4.84
    SHS Steel Posts
    from $66.00
    Temporary Handrails - Steel Builders
    Temporary Handrails - Steel Builders
    Temporary Roof Safety Handrailing
    $53.00
    Stainless Steel With Plastic Base Grate Kit - Heelguard Pattern - Steel Builders
    Plastic Shower Drain Kit + Heelguard Grate
    from $181.00
    Stainless Steel Strainer - Steel Builders
    Stainless Steel Strainer - Steel Builders
    Basket Drain Strainer - Stainless Steel
    from $30.00
    Smart Retain™ Retaining Wall Posts - Universal Column (100UC14.8) - Steel Builders
    Smart Retain™ H-Beam Retaining Wall Posts (UC)
    from $62.03
    Smart Retain™ Retaining Wall End Posts - Tapered Flange Channel (100TFCx50) - Steel Builders
    Smart Retain™ Tapered Flange Retaining Wall Beam & Channel (TFC)
    from $39.51
    Galvanised Chemical Stud Anchor Bolt M12 x 160mm - Steel Builders
    M12 Stud Bolts (160mm)
    $4.11
    Stainless Steel End Caps - Steel Builders
    Stainless Steel End Caps - Steel Builders
    Stainless Steel Drain End Caps
    from $24.26
    Galvanised End Caps - Steel Builders
    Galvanised Steel End Caps for Drains
    from $16.00
    Stainless Steel Joiners - Steel Builders
    Stainless Steel Joiners - Steel Builders
    Stainless Steel Drain Joiners
    from $12.50
    Aluminium Joiners - Steel Builders
    Aluminium Joiners - Steel Builders
    Aluminium Tube Joiners
    from $11.00
    Galvanised Joiners - Steel Builders
    Galvanised Joiners - Steel Builders
    Galvanised Drain Joiners
    from $16.00
    Stormwater Steps - Steel Builders
    Stormwater Steps - Steel Builders
    Step Irons & Steel Pit Ladders
    from $17.60
    Rectangular Hollow Section (RHS) - 150mm x 100mm x 4mm - Steel Builders
    Rectangular Hollow Section (RHS) - 150mm x 100mm x 4mm - Steel Builders
    Steel RHS (Rectangular Hollow Section) - 150 x 100
    from $180.40
    Rectangular Hollow Section (RHS) - 200mm x 100mm x 4mm - Steel Builders
    Rectangular Hollow Section (RHS) - 200mm x 100mm x 4mm - Steel Builders
    Steel RHS (Rectangular Hollow Section) - 200 x 100
    from $207.90
    Galvanised Rectangular Hollow Section (RHS) Joiner - Steel Builders
    Galvanised Rectangular Hollow Section (RHS) Joiner - Steel Builders
    Galvanised Steel RHS Tube Joiners
    $53.50
    Stormwater Maxi Mesh (3D) - Steel Builders
    Maxi Mesh Galvanised Steel Trash Screens
    from $215.00
    Galvanised RHS Kerb Outlet - Steel Builders
    Galvanised RHS Kerb Outlet - Steel Builders
    Stormwater Kerb Outlet (RHS)
    $109.51
    Plastic Drain Outlets - Steel Builders
    Plastic Water Drain Outlet
    $9.00
    Galvanised Drain Outlets - Steel Builders
    Galvanised Drain Outlets
    from $30.00
    Aluminium Drain Outlets - Steel Builders
    Aluminium Drain Outlets - Steel Builders
    Aluminium Drain Outlets
    from $43.00
    Stainless Steel Drain Outlets - Steel Builders
    Stainless Steel Drain Outlets - Steel Builders
    Stainless Steel Water Drain Outlet
    from $45.65