In many cases, vapor barriers are placed between the insulation layer and the living ... Related: How to Insulate Your Basement Rim Joists If you’re unsure about adding a vapor barrier ...

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.

place a vapor barrier to prevent moisture issues, install the foam over that, and your choice of flooring over that.' Fiberglass batts are a popular, cost-effective choice for basement insulation.