AHI Roofing leads the world in the design, manufacture and marketing of metal roof tiles with a wide range of roof styles, colours and finishes for residential and light commercial markets. Its strong inter-locking steel roofs protect more than half a million homes around the world against nature's extremes. AHI Roofing is the world's largest manufacturer of stone chip coated metal roof tiles with plants in New Zealand, Hungary and Malaysia, and sells under both the GERARD and DECRA brand names.