Cement fiberboard siding needs repainting every 10 to 15 years, unless you feel it is time for a new color.
Cement fiberboard siding typically requires repainting every 10-15 years, unless you desire a color change sooner.

Cement Fiberboard Siding: A Painting Guide for Long-Lasting Appeal
Cement fiberboard siding is a popular choice for homeowners seeking durability and low maintenance. While it boasts impressive longevity, repainting is an essential part of its care routine. Typically requiring attention every 10 to 15 years, the prospect of a fresh coat of paint not only ensures the protection of your siding but also provides an opportunity for a vibrant color update.
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