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.

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 ...

Insulation generally isn’t an air barrier or a vapor barrier and air and vapor can move through it freely and easily. There are some exceptions such as closed cell foam (which is all three) and open ...

Stainless-steel fasteners attach the exterior concrete to 14- or 16-gauge G90 galvanized steel studs. The resulting thermal air gap is filled with factory-applied closed-cell foam insulation. The ...

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 ...

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 ...

Denim insulation requires a vapor barrier with it. This is placed to prevent the denim from getting wet, causing it to compress and have uneven insulation.

Vapor Barrier Insulation. Vapor barriers prevent water vapor from travelling through your home’s ceiling and walls when it’s cold outside. Even if you already have an insulation system, ...

Vapor Barriers vs. Air Barriers. Vapor barriers, also referred to as vapor retarders, are used to control water vapor, a gas, from entering the thermal cavity. Its ability to do so is measured in perm ...

News; Home and garden; Ask The Builder: Vapor barrier and insulation in crawl space will mean warmer floors Sat., Sept. 9, 2017 This is a pretty normal creepy crawl space. Invisible water vapor ...

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.