James Hardie: World leader in fiber cement siding, backerboard and pipe James Hardie is a leader in the manufacturing and development of technologies, materials and manufacturing processes of durable building materials. For over 20 years, we have operated one of the largest research and development facilities devoted solely to fiber-cement technology. Our ability to introduce new products and streamline manufacturing has fueled our growth as the fastest-growing siding manufacturer in the US.... [Detail]