James Hardie backs its fiber cement siding with two separate warranties: a 30-year non-prorated product warranty covering defects, damage from hail, termites, and woodpeckers, and a 15-year prorated ColorPlus finish warranty. Both are transferable once and both depend on proper installation. Choosing a vetted Hardie installer keeps your coverage intact from day one.
Replacing your home’s siding is one of the bigger exterior investments you’ll make, and the warranty behind it matters. James Hardie doesn’t just make durable fiber cement siding built for Chicago’s freeze-thaw cycles and unpredictable weather. They also stand behind it with two distinct, transferable warranties that protect both the product itself and its factory-applied color finish. This breakdown covers what each warranty includes, what it excludes, and why installation quality is the deciding factor in keeping your coverage valid.
What the James Hardie Product Warranty Covers
The core Hardie product warranty protects against manufacturing defects that compromise how your siding performs. For Chicago-area homes using HZ5 products, all primary siding and trim carry a 30-year non-prorated warranty, meaning full coverage value stays intact for the entire warranty period without diminishing over time.
Covered products under the 30-year non-prorated warranty:
- HardiePlank lap siding
- HardiePanel vertical siding
- HardieShingle siding
- HardieSoffit panels
- HardieTrim boards
- HardieWrap weather barrier, seam tape, and flashing carry a 10-year limited warranty
Regional Coverage: Why the Right Product Line Matters
HZ5 Products for the Chicago Climate
James Hardie engineers its products for specific climate zones, and your warranty only applies if you’ve installed the product line designated for your region. For Chicago-area homes, that means HZ5 products, formulated to handle cold winters, significant moisture, and freeze-thaw stress.
If the wrong product line is installed, your defect coverage is void, regardless of how well the installation was executed. Your contractor should confirm you’re getting climate-appropriate products before a board goes up.
The ColorPlus Warranty: 15 Years of Finish Protection
Hardie’s ColorPlus Technology applies color to the siding in a factory-controlled environment before installation. Because the finish is baked on under controlled conditions rather than painted on-site, it adheres at a consistency that field painting can’t match.
What the ColorPlus Warranty Covers
The ColorPlus warranty is a 15-year prorated limited warranty protecting the factory finish against peeling, cracking, and chipping. Normal gradual fading from sun and weather exposure is not covered.
A few other important details:
- This warranty applies only to the factory-applied ColorPlus finish, not to product defects or any paint applied after the fact
- Repainting with a third-party paint voids the ColorPlus finish warranty
- Coverage transfers once, to the first new owner after the original homeowner
What the Hardie Warranties Don’t Cover
Both the product and ColorPlus warranties have defined exclusions. Knowing them upfront prevents surprises later:
- Improper installation: Fiber cement is heavier and more exacting than vinyl. If siding isn’t installed to Hardie’s published standards, your warranty is void. This is the most common reason claims are denied.
- Natural disasters and weather events: Tornadoes, floods, hurricanes, earthquakes, and related water intrusion damage fall outside coverage.
- Structural issues: Foundation settling or movement that affects the siding is not covered.
- Neglect or owner-caused damage: Failures from lack of maintenance, unauthorized modifications, or deliberate alterations are excluded.
- Third-party paints or coatings: Any peeling or performance issues caused by paint, stain, or coatings not applied by James Hardie are not covered.
- Transferability limit: The warranty transfers only once. A third owner does not inherit coverage.
Why Installation Quality Determines Everything
The strongest warranty on the market doesn’t protect you if improper installation voids it. James Hardie holds its contractors to specific techniques and verifies compliance through a vetting process before awarding ALLIANCE status.
Siding & Windows Group is a James Hardie ALLIANCE Elite Contractor, trained in Hardie’s installation requirements and approved by the manufacturer directly. With over 40 years of exterior work across Chicagoland, including homes in Glenview, Wheaton, and Chicago’s North Side, every install is done to the standard that keeps your warranty valid from day one.
Ready to get started? Get a free quote today! Join the 1,000+ Chicago-area homeowners who’ve trusted us with their Hardie installs.
