Key takeaways: Hardie Preferred certification ensures residential roofing contractors are trained, licensed, insured, and regularly audited for quality. Certified contractors integrate roofing, siding, and trim properly, reducing leaks, energy loss, and long-term repair costs. Hiring one Hardie Preferred pro for both roofing and siding creates consistent style, stronger warranties, and improved resale value. Verification is simple—homeowners should check the James Hardie directory, request documentation, and review past projects. While upfront costs may be slightly higher, certified contractors deliver better durability, warranty coverage, and long-term savings. When planning a major exterior upgrade, most homeowners focus on big-picture decisions such as roof…