and the insulation materials already in place play a big role in whether it is necessary. A vapor barrier is designed to limit the movement of water vapor from one area of your home to another.

Aaron Lipman, continues, ‘Floors or insulation that looks wet ... It is certainly one of the best ROI home improvements available. A vapor barrier is a more than worthy investment, not just ...

With a little work, you’ll create a cozy, energy-efficient home ... insulation generally improves energy efficiency, it’s possible to overdo it. Adding excessive layers can compress the vapor ...