If you are constantly dealing with mold, moisture and musty smells in your home, be it in the bedroom, basement, or crawl spaces, you could benefit from a vapor barrier, professional contractors say.

Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture-related damage. The answer, however, isn’t one-size-fits-all.

Installing a vapor barrier is one of the most effective ways to manage this issue. A water vapor barrier is a moisture-resistant material, typically made of heavy duty plastic sheeting.