Austral’s insulated panel systems are an effective and economical building product achieving sustainable energy efficiency ratings and offering smart design opportunities. For external and internal walls and ceilings, the sandwich panel skin of Colorbond® steel combines an integral finish and materiality as required in many contemporary designs, Austral manufacture and install:• a complete Architectural Panel System • with a choice in core material — EPS, PIR, XFlam™ or Mineral Wool• and a Bluescope Steel palette of metallic and designer colours