May be unnecessary if ventilation is adequate. Related: How to Insulate Your Basement Rim Joists If you’re unsure about adding a vapor barrier, enhancing attic ventilation might be a more ...

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.

Ideal basement humidity levels are between 30% ... Start with passive solutions like improving ventilation or installing a vapor barrier on your walls and floors to prevent ground moisture from ...

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.