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

insulation, or drywall, it can cause mold, mildew, and even structural damage over time. For example, when insulating crawl spaces, a vapor barrier is installed directly on the ground to keep ...

While more insulation generally improves energy efficiency, it’s possible to overdo it. Adding excessive layers can compress the vapor barrier or block the ridge vents which can trap water vapor ...

In many cases, vapor barriers are placed between the insulation layer and the living ... materials becoming moisture laden , causing damage over time. How can I tell if my attic has evidence ...