I need to add a vapor barrier and wonder about the best one. The foundation consists of granite slabs and rubble stone. It’s got small gaps in it where I see daylight.

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… ...

If you fail to have vapor barrier, there is less likelihood of moisture issues within the wall structure, but more likelihood of moisture issues inside due to moisture diffusing into the space through ...

Here, they dive into the top five signs your home will benefit from a vapor barrier this winter, and how much this home renovation will cost you.

R-values are similar (3.5 to 4 per inch), though the insulation is available in thicker rolls to offer R-12 or more. It’s also available with a reinforced foil vapor barrier and generally ...

IdealSeal 777 is a high-performance, multilayer, total vapor barrier aluminum foil insulation laminate. The laminate covers and protects ductwork and piping insulation under a wide range of interior ...

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.

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 ...

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.

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 ...