Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to ins… ...

The crawl space under my 1910 home is just exposed dirt and leftover building materials. I need to add a vapor barrier and wonder about the best one. The foundation consists of granite slabs and ...

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 ...

Unfortunately, after installing a vapor barrier, you may need to replace your insulation, too, or risk trying to keep a poorly insulated house warm at great expense.

Just tape all overlaps well so no vapor can escape into the crawl space. Once the vapor barrier is in place, you can add insulation in between the floor joists.

Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to ins… ...

Q. A lot of us with older (100 years) homes are getting energy audits with recommendations to blow in cellulose into the empty exterior wall cavities. I have read that without a vapor barrier ...

Air barriers have been used in many different ways throughout the years, and they’re becoming particularly relevant as energy code requirements evolve. But many questions have surrounded the use of ...

Floor insulation and carpet or wood flooring does little or nothing to stop the water vapor from migrating into the living space. If the vapor content is too high, you risk developing mold or ...

Question: The crawl space under my 1910 home is just exposed dirt and leftover building materials. I need to add a vapor barrier and wonder about the best one. The foundation consists of granite ...

Q. A lot of us with older (100 years) homes are getting energy audits with recommendations to blow in cellulose into the empty exterior wall cavities. I have read that without 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.