  photos courtesy of www.cleancrawlspace.com Crawl Space Vapor Barriers? If the soil under your home is damp or wet, does covering the soil with a plastic membrane really work? Well, if you do it right, YES. And, there are many benefits in doing so. It depends on your situation of course, but........
First - Let's look at the main issues.
There are two main issues that arise from having excessive moisture within the crawlspace soil: #1: "Personal Health Issues" #2: "Structural Stability Issues" Personal Health Issues Although most of us don't really think about it too much, the air we breathe inside our homes has to get inside from somewhere, right? Well, surprisingly enough, up to 50% or so can be from the crawlspace area. Air is drawn up between the floor framing, plumbing and electrical cutouts, gaps in the flooring, furnace ducting and the like. When certain soil conditions arise due to moisture, one can often observe golden colored mold on the surface of the soil as well as other plant growth, leached out mineral deposits etc. You certainly wouldn't want to spend too much time down there without a respirator. Would you? "read on" | 
