Hardie board requires very little maintenance compared to wood or vinyl siding. Coastal Windows & Exteriors is a James Hardie Elite Preferred contractor serving 730+ towns across Massachusetts, Maine and New Hampshire, with 7,000+ installations completed since 2011. As a woman-owned exterior remodeling company, we are also the only woman-owned James Hardie President’s Club winner in New England. Our team installs Hardie board with ColorPlus finishes so homeowners can spend less time on upkeep and more time enjoying their homes.
Fiber cement resists pests and handles moisture far better than most materials. With a factory finish, it rarely needs repainting over the years. An occasional rinse is usually all that keeps it looking its best.
What Homeowners Need to Know:
- No repainting needed: Hardie board with ColorPlus technology is factory-finished and designed to last without repainting. Painting a home’s exterior can cost up to $12,000 — ColorPlus eliminates that expense entirely.
- Color options: Hardie ColorPlus colors are baked on under controlled factory conditions for lasting vibrancy. Iron Gray is James Hardie’s 2026 Color of the Year — a popular choice for homes!
- Moisture resilience: A common question is can Hardie board get wet — yes, fiber cement handles moisture exceptionally well when properly installed. Hardie weather barrier adds an additional layer of protection behind every panel.
- Pest resistant: Unlike wood siding, James Hardie fiber cement is not a food source for woodpeckers, termites, or other pests. That resistance eliminates a maintenance concern that affects many homeowners with older wood exteriors.
- Cleaning routine: Occasional low-pressure rinsing with a garden hose is all most Hardie board installations need. Avoid power washing — it can void your warranty and damage the factory finish over time.
- Caulk and seal checks: Inspecting caulk lines and sealed joints once a year keeps moisture from finding its way behind panels. This simple step pays dividends through many freeze-thaw cycles.
Hardie Board vs. Wood Siding Maintenance Comparison
| Maintenance Task | James Hardie Fiber Cement | Wood Siding | How Often |
|---|---|---|---|
| Repainting | Never with ColorPlus | Every 3–7 years | Ongoing for wood |
| Pest treatment | Not needed — pest resistant | Regular treatment required | Annually for wood |
| Moisture protection | HardieWrap included | Sealing required | Seasonally for wood |
| Cleaning | Low-pressure rinse | Careful washing required | Annually for both |
| Caulk inspection | Once yearly | Twice yearly minimum | Less frequent with Hardie |
Keeping Your Hardie Board in Top Shape
Best Overall: James Hardie with ColorPlus technology for homeowners who want a beautiful, long-lasting exterior with the lowest possible maintenance demands.
Annual Habit: A quick visual inspection of caulk lines and a gentle rinse each spring is all most Hardie board installations ever need.
Worth Remembering: Avoid power washing — following James Hardie’s manufacturer care instructions protects both your finish and your warranty for the long haul.
Request a free James Hardie siding estimate from Coastal Windows & Exteriors.
Browse our complete James Hardie siding FAQ guide from Coastal Windows & Exteriors.
Still have questions about what maintenance Hardie board needs? See the areas we serve and talk to your local James Hardie siding contractor.
Last Updated: October 2026
Sources:
- Repainting a home’s exterior can run as high as $12,000, a recurring cost that factory-finished siding avoids. NerdWallet Cost to Paint a House, NerdWallet’s breakdown of what homeowners typically pay to paint a home’s exterior. (2026)
