Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture ...

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.

First, it’s one of the best options for cheap insulation for shed walls and roofs. Since it typically comes with a paper-faced vapor barrier that fastens to the studs, it doesn’t require an ...