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 ...

Before you re-insulate your attic ... insulation? While more insulation generally improves energy efficiency, it’s possible to overdo it. Adding excessive layers can compress the vapor barrier ...

Instead, proper attic ventilation and moisture control from air conditioning systems are more ... before considering a vapor barrier. If you have concerns or need repairs, call a professional ...