James Hardie Industries plc engages in the manufacture and sale of fiber cement, fiber gypsum, and cement bonded boards in the United States, Australia, Europe, and New Zealand. It operates in three segments: North America Fiber Cement, Asia Pacific Fiber Cement, and Europe Building Products. The company offers fiber cement interior linings, exterior siding products, and related accessories. Its fiber cement products are used for a range of external applications, including siding, cladding, trim, soffit, as well as internal applications such as walls, floors, and ceilings.