Many mobile homeowners focus on the visible parts of their home—the roof, walls, or flooring—but rarely think about the hidden area beneath: the crawl space. A properly installed vapor barrier is critical, but what happens when it’s damaged or missing? While most guides focus on why a vapor barrier is important, few discuss the real threats that come from neglecting it. At Desert Mobile Home Services, we help homeowners uncover these hidden dangers and take action before problems become costly disasters.