average cost of installing hardie siding
James Hardie Siding Average Costs. The actual cost of James Hardie siding may vary based on the materials used, the local economy, the complexity of the installation, and other factors. 1  James Hardie siding costs $8 to $12 per square foot.ames Hardie Siding Installation Prices. James Hardie pioneered the use of fiber cement siding in the mid 1980s and today, the material is as popular as it s ever been.