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 ...

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 ...

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 ...

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 ...