What Does a Vapor Barrier Do? A vapor barrier is designed to limit the movement of water vapor from one area of your home to ...

After this, lay several inches of gravel to prevent water from rising into the basement floor. To prevent moisture from escaping upwards, follow this with a vapor barrier, the type used to prepare ...

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.