Next generation ZINCALUME® aluminium/zinc/magnesium alloy coated steel complies with AS 1397:2011 G550, AM125 (550 MPa minimum yield stress, 125 g/m² minimum coating mass).
COLORBOND® steel is prepainted steel for exterior roofing and walling. It is the most widely used. The painting complies with AS/NZS 2728:2013 and the steel base is an aluminium/zinc alloy-coated steel complying with AS 1397:2011. Minimum yield strength for CUSTOM ORB is G550 (550 MPa). Minimum coating mass is AM100 (100 g/m²).
COLORBOND® Metallic steel is prepainted steel for superior aesthetic qualities displaying a metallic sheen.