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 ...

When installing the insulation, make sure the vapor barrier faces toward the interior of the house. The bane of fiberglass has always been that it readily sheds small fibers that can irritate the ...

Class III vapor retarders, greater than 1.0 perms but less than 10 perms, include unfaced fiberglass insulation, cellulose insulation, brick, or concrete blocks. In general, vapor barriers are ...

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.

Foam insulation is an exceptional vapor barrier, and when the seams at all butt joints and the corners are taped, it will be very hard for water vapor to get to the cold walls.

I’d just stick with time-tested unfaced fiberglass batts. I’d put in at least six inches; ... Here’s how to add a vapor barrier and insulation to your crawl space. October 3, 2017.

We then explain to our caller why we do not recommend or install fiberglass insulation. ... This is the reason that we install a vapor barrier under homes, to keep the moisture down.

Ask The Builder: Vapor barrier and insulation in crawl space will mean warmer floors ... I’d just stick with time-tested unfaced fiberglass batts. I’d put in at least 6 inches; ...

Either unfaced (no vapor barrier) fiberglass blankets or more cellulose can be used. If you want to do the work yourself, fiberglass blankets are the best choice.

Question: My boyfriend and I are arguing about how to insulate the exterior walls in our new home in South Dakota. I was thinking of putting plastic against the wall and then going on to framing ...