Hello, Investigating the issue of crawlspace vapor barriers I came across a controversial stand on venting the crawlspace. There is this school of thought that venting actually is a bad idea when for warm months, because warm humid air comes in from the outside, hits the cold in the crawlspace and you get condensation. They seem to recommend completely sealing off crawlspaces. Has anyone heard of these guys ? http://www.basementsystems.com/csmold.html they are selling a really thick vapor barrier installation, no idea how expensive they are... Any idea what this vent/no vent issue would mean for the Pacific northwest area ? Thanks SP
