James Hardie Industries manufactures and sells building products for residential and commercial construction, including fiber cement, fiber gypsum, cement-bonded boards, and low-maintenance outdoor living solutions such as decking and railing systems. The company serves primarily the United States, Australia, Europe, and New Zealand through a broad distribution network of dealers and distributors, targeting the residential new construction and repair-and-remodel markets. Revenue depends on product sales volumes, material conversion rates, product innovation, pricing discipline, and brand awareness, with demand driven by residential construction cycles, interest rates, housing affordability, and consumer confidence.