Australian Stainless Steel Development Association member ACO Polycrete has upgraded its WaterMark accredited range of stainless steel building drainage systems. The ACO Stainless range comprises channels, grates, waste pipe systems and floor gullies for both residential and commercial applications where corrosion resistance, aesthetics and hygiene are important. These products are particularly suited for use in commercial kitchens, abattoirs, food processing areas, brewing bottling plants, hospitals, hotels, restaurants, chemical and pharmaceutical plants, leisure facilities and residential applications.