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COLORBOND® steel for roofing and walling (XRW) is a versatile and highly durable sheet metal cladding material. It is available in a core colour range in the Classic and Matt finishes as well as applicable COLORBOND® steel Studio colours (colorbondstudio.com). This EPD sets out information on the average COLORBOND® steel for roofing and walling (XRW) product14 manufactured by BlueScope in Australia, in the base metal thicknesses (BMTs) presented in the table below. The product range represented by this EPD only includes COLORBOND® steel for roofing and walling (XRW) with a hot dipped aluminium, zinc, and magnesium alloy (AM100) coating. It excludes all other COLORBOND® steel products, such as COLORBOND® steel for garage doors, fencing, patios and pergolas and insulated panels, COLORBOND® steel Metallic (MET), COLORBOND® Coolmax® steel, COLORBOND® Ultra steel and COLORBOND® Intramax® steel. This EPD also excludes removable films that may be applied to COLORBOND® steel at the paint line for protection during transport and installation. The COLORBOND® steel for roofing and walling (XRW) products represented in this EPD consist of a low carbon15 steel substrate that is coated with a metallic coating incorporating BlueScope’s Activate® technology (hot dipped aluminium, zinc, and magnesium alloy AM100 coating) to provide enhanced corrosion resistance, and then further protected and enhanced with a specially developed, exterior-grade, oven-baked paint system. The metallic coated base steel (G300S or G550S strength grade), conforms to AS 1397:2021 Continuous hot-dip metallic coated steel sheet and strip - Coatings of zinc and zinc alloyed with aluminium and magnesium. The paint system meets the performance requirements of AS/NZS 2728:2013 Prefinished/pre painted sheet metal products for interior/exterior building applications - Performance requirements.