Our Brands


COLORBOND® steel the best of modern steel making technologies, developed by BlueScope.With a wide range of colours and finishes, COLORBOND® steel is the ideal solution for roofing and walling systems that demand design flexibility

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With a lifetime of up to four times that of ordinary galvanised steel, ZINCALUME® steel delivers outstanding durability and continues to be the gold standard for corrosion resistance
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BlueScope Zacs®

Backed with 100 years of steelmaking expertise from Australia, BlueScope Zacs® is a durable, trusted roofing brand that protects what is important to you and your family. With anti-corrosion and anti-colour fading warranties, BlueScope Zacs® is your choice of roof for your housing needs.
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TRUECORE® steel is a zinc/aluminium alloy coated steel with a distinctive blue resin surface finish, made by BlueScope Steel, specifically for framing applications. Wall and roof frames made from TRUECORE® steel are termite and fire resistant, straight and true, lightweight yet strong.
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Lysaght is a rollforming specialist manufacturing the LYSAGHT® range of quality building products like steel roofing and wall cladding, and structural formwork from materials such as COLORBOND® steel, ZINCALUME® steel, and TRUECORE® steel. With a proud history spanning over 150 years, Lysaght has proved its reputation for quality, innovation and expertise.
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LYSAGHT® SMARTRUSS® is a light gauge steel frame roof support system, using TRUECORE® steel from BlueScope, offering durability, strength and stability. By using SMARTRUSS® steel, the SMARTRUSS® system is also termite and fire-resistant.
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JingJoe Lek®

JingJoe Lek® steel is a hot dipped zinc/aluminium alloy coated-steel supplied only at NS BlueScope (Thailand) Limited. The coating is composed of Zinc-Aluminium 55% produced by continuous hot dip process.


The ENDUROFRAME® building system, is a light gauge steel framing system used to design, detail and manufacture steel trusses and wall frames for the residential and light commercial markets. This building system is a cumulation of over 20 years of research and development into light gauge steel framing, and is available through an extensive network of licensed manufacturers.
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SHUTTEREX® steel is designed for roller door applications. It has an aluminium /zinc alloy coated steel substrate which provides excellent formability and corrosion resistance. It is designed to provide a cost-effective material for shutter application.


SUPERDYMA® is a coated steel that made form hot-dip continuous process. Containing coating of zinc (Zn) as a substrate core, with aluminium (Al) (approx 11%), magnesium (Mg) (approx 3%). Base Metal is high tensile steel, grade G300, G450, G500, G550 (Ref. AS 1397).
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PRIMA® steel is pre-painted steel by NS BlueScope (TH) Limited. It uses high-quality paint over Zinc-Aluminium 55% Coating AZ100 steel which gives it good corrosion resistance, excellence formability, long-lasting durability in Thailand’s climate.
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At Ranbuild, we have a passion for shed. We have been engineering, manufacturing and supplying premium quality, durable and strong steel sheds for 70 years. We live and breathe sheds and understand the unique place that sheds hold in our hearts. From the humble single garage through to multi vehicle garages, expansive rural barns, machinery sheds or sprawling light industrial and commercial complexes, we excel at engineering and manufacturing excellence in all its forms for prefabricated steel sheds. Learn More