For ZINCALUME® steel (AZ150 minimum coating mass) BlueScope
Steel offer a warranty against corrosion to perforation by
weathering in the natural elements:
- up to 30 years warranty for all
installations made from 1 November 2004.
- up to 25 years warranty for all
installations made prior to 1 November 2004.
For COLORBOND® steel and COLORBOND® Ultra, BlueScope Steel offers
a warranty against corrosion to perforation by weathering in the
natural elements for a maximum warranty period of 30 years.
BlueScope Steel offers a warranty of up to 25 years from the date
of installation against corrosion to perforation by weathering in
the natural elements for our prepainted steel products when used in
roofing applications:
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