We have also now been told that hardiplank must be caulked routinely(thought we never would have to do much of anything)…but we recently were told after mold remediation (for a five year old house), that improper moisture barriers were installed, not suited for hardiplank. What is the proper barrier to use? We have been told that after five years our hardiplank needs to be recaulked and repainted. We have also noticed warping, and irregular cut boards, all of which could contribute to moisture build up between the walls. Would this all be the responsibility of the home builder?

We live in the southeast, gulf coast area of Texas.

Any comments or advice?