how to fix hardiplank
Save. HardiePlank is a brand of fiber cement board that is used for exterior siding projects. It is similar to traditional, beveled wood lap siding. If you have loose HardiePlank siding on your home, it is important to fix it.Loose siding can leave your home unprotected from weather and insects.nstructions. Inspect the HardiePlank siding on the exterior of your home for loose boards, which will leave your house open to weather and insect damage. Slide a paint scraper against the surface of the loose boards in a back and forth motion while applying slight pressure.