Installed on over 5.5 Million Homes Coast to Coast, James Hardie Fiber Cement siding products are designed to resist the most extreme conditions while romancing the senses. Enjoy the warm, natural character of wood with unprecedented peace of mind. It’s easy to see what makes James Hardie the Market Leader.
Only James Hardie fiber cement products are Engineered for Climate. In the Northern U.S. and Canada, HZ5 products resist shrinking, swelling, and cracking even after years /of wet or freezing conditions. HZ10 products help protect homes from hot, humid conditions, blistering sun and more.
Not all fiber cement is the same. The James Hardie HZ5 and HZ10 products contain the highest quality raw materials. Our unique formulation, combined with innovative product design and manufacturing processes, create two distinct substrates. Each substrate is precisely engineered to resist water absorption, cracking, shrinking and swelling in the specific region for which it is designed.