CSR Ltd. engages in the manufacture and supply of building products in Australia and New Zealand. It operates through the following segments: Building Products, Glass, Aluminium, and Property. The Building Products segment includes lightweight systems, insulation, and bricks and roofing. The Glass segment focuses on the operations of Viridian, a glass provider and the manufacturer of float glass and hard coated performance products in Australia. The Aluminium segment operates through the Gove Aluminium Finance Ltd., which manufactures aluminium ingots, billets and slabs. The Property segment involves a small number of large scale developments in New South Wales, Queensland, and Victoria. The company was founded by Edward Knox on January 1, 1855 and is headquartered in North Ryde, Australia.